platform/kernel/linux-rpi.git
6 years agomedia: imx: use well defined 32-bit RGB pixel format
Philipp Zabel [Tue, 18 Sep 2018 09:42:31 +0000 (05:42 -0400)]
media: imx: use well defined 32-bit RGB pixel format

The documentation in Documentation/media/uapi/v4l/pixfmt-packed-rgb.rst
tells us that the V4L2_PIX_FMT_RGB32 format is deprecated and must not
be used by new drivers. Replace it with V4L2_PIX_FMT_XRGB32.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Steve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: VPU: mediatek: don't pass an unused parameter
Dan Carpenter [Mon, 17 Sep 2018 13:56:22 +0000 (09:56 -0400)]
media: VPU: mediatek: don't pass an unused parameter

The load_requested_vpu() function returns a freed vpu_fw pointer.  It's
not used so it doesn't cause any problems, but Smatch complains about
it:

    drivers/media/platform/mtk-vpu/mtk_vpu.c:578 vpu_load_firmware()
    warn: passing freed memory 'vpu_fw'

We can clean up the code a bit and silence the static checker warning
by not passing the parameter at all.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: vidioc-dqevent.rst: clarify V4L2_EVENT_SRC_CH_RESOLUTION
Hans Verkuil [Mon, 17 Sep 2018 11:37:18 +0000 (07:37 -0400)]
media: vidioc-dqevent.rst: clarify V4L2_EVENT_SRC_CH_RESOLUTION

Clarify that when you receive V4L2_EVENT_SOURCE_CHANGE with flag
V4L2_EVENT_SRC_CH_RESOLUTION set, and the new resolution appears
identical to the old resolution, then you still must restart the
streaming I/O.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: rc: ir-rc6-decoder: enable toggle bit for Kathrein RCU-676 remote
Matthias Reichl [Tue, 28 Aug 2018 13:49:42 +0000 (09:49 -0400)]
media: rc: ir-rc6-decoder: enable toggle bit for Kathrein RCU-676 remote

The Kathrein RCU-676 remote uses the 32-bit rc6 protocol and toggles
bit 15 (0x8000) on repeated button presses, like MCE remotes.

Add it's customer code 0x80460000 to the 32-bit rc6 toggle
handling code to get proper scancodes and toggle reports.

Signed-off-by: Matthias Reichl <hias@horus.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros
Sean Young [Tue, 21 Aug 2018 19:57:52 +0000 (15:57 -0400)]
media: rc: Remove init_ir_raw_event and DEFINE_IR_RAW_EVENT macros

This can be done with c99 initializers, which makes the code cleaner
and more transparent. It does require gcc 4.6, because of this bug
in earlier versions:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10676

Since commit cafa0010cd51 ("Raise the minimum required gcc version to
4.6"), this is the case.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: rc: nec keymaps should specify the nec variant they use
Sean Young [Tue, 17 Jul 2018 21:33:05 +0000 (17:33 -0400)]
media: rc: nec keymaps should specify the nec variant they use

The rc_proto field should list the exact variant used by the remote. This
does not change the decoder used, but helps with using keymaps for
transmit purposes.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: smiapp: Remove unused loop
Ricardo Ribalda Delgado [Wed, 26 Sep 2018 06:12:42 +0000 (02:12 -0400)]
media: smiapp: Remove unused loop

The loop seemed to be made to calculate max, but max is not used in that
function.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: ov5640: use JPEG mode 3 for 720p
Hugues Fruchet [Mon, 24 Sep 2018 13:33:27 +0000 (09:33 -0400)]
media: ov5640: use JPEG mode 3 for 720p

Change 720p JPEG mode to mode 3 as per other resolutions.

Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: v4l: Remove support for crop default target in subdev drivers
Sakari Ailus [Mon, 24 Sep 2018 14:38:11 +0000 (10:38 -0400)]
media: v4l: Remove support for crop default target in subdev drivers

The V4L2 sub-device API does not support the crop default target. A number
of drivers apparently still did support this, likely as it was needed by
the SoC camera framework. Drop support for the default crop rectaingle in
sub-device drivers, and use the bounds rectangle in SoC camera instead.

Reported-by: Helmut Grohne <h.grohne@intenta.de>
Suggested-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: v4l: i2c: Add a comment not to use static sub-device names in the future
Sakari Ailus [Mon, 24 Sep 2018 14:24:43 +0000 (10:24 -0400)]
media: v4l: i2c: Add a comment not to use static sub-device names in the future

A number of sub-device drivers used a static name for the sub-device, and
thus the media entity. As the entity name must be unique within a media
device, this makes it impossible to have more than one instance of each
device in a media device. This is a rather severe limitation.

Instead of fixing these drivers, add a comment to the drivers noting that
such static names may not be used in the future.

The alternative of fixing the drivers is troublesome as the entity (as
well as sub-device) name is part of the uAPI. Changing that is almost
certain to break something. As these devices are old but no-one has
encountered a problem with the static names, leave it as-is.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: davinci: Fix implicit enum conversion warning
Nathan Chancellor [Sat, 15 Sep 2018 06:16:15 +0000 (02:16 -0400)]
media: davinci: Fix implicit enum conversion warning

Clang warns when one enumerated type is implicitly converted to another.

drivers/media/platform/davinci/vpbe_display.c:524:24: warning: implicit
conversion from enumeration type 'enum osd_v_exp_ratio' to different
enumeration type 'enum osd_h_exp_ratio' [-Wenum-conversion]
                        layer_info->h_exp = V_EXP_6_OVER_5;
                                          ~ ^~~~~~~~~~~~~~
1 warning generated.

This appears to be a copy and paste error judging from the couple of
lines directly above this statement and the way that height is handled
in the if block above this one.

Reported-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: bt8xx: Remove unnecessary self-assignment
Nathan Chancellor [Sat, 15 Sep 2018 06:06:13 +0000 (02:06 -0400)]
media: bt8xx: Remove unnecessary self-assignment

Clang warns when a variable is assigned to itself.

drivers/media/pci/bt8xx/bttv-driver.c:2043:13: warning: explicitly
assigning value of variable of type '__s32' (aka 'int') to itself
[-Wself-assign]
        min_height = min_height;
        ~~~~~~~~~~ ^ ~~~~~~~~~~
1 warning generated.

There doesn't appear to be any good reason for this and this statement
was added in commit e5bd0260e7d3 ("V4L/DVB (5077): Bttv cropping
support") back in 2007. Just remove it.

Reported-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: v4l2-common: fix typo in documentation for v4l_bound_align_image()
Niklas Söderlund [Thu, 13 Sep 2018 00:07:38 +0000 (20:07 -0400)]
media: v4l2-common: fix typo in documentation for v4l_bound_align_image()

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: pci: cx23885: handle adding to list failure
Nicholas Mc Guire [Sun, 9 Sep 2018 16:02:32 +0000 (12:02 -0400)]
media: pci: cx23885: handle adding to list failure

altera_hw_filt_init() which calls append_internal() assumes
that the node was successfully linked in while in fact it can
silently fail. So the call-site needs to set return to -ENOMEM
on append_internal() returning NULL and exit through the err path.

Fixes: 349bcf02e361 ("[media] Altera FPGA based CI driver module")

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: au0828: Fix incorrect error messages
Brad Love [Thu, 6 Sep 2018 21:07:49 +0000 (17:07 -0400)]
media: au0828: Fix incorrect error messages

Correcting red herring error messages.

Where appropriate, replaces au0282_dev_register with:
- au0828_analog_register
- au0828_dvb_register

Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: au0828: cannot kfree dev before usb disconnect
Brad Love [Thu, 6 Sep 2018 21:07:48 +0000 (17:07 -0400)]
media: au0828: cannot kfree dev before usb disconnect

If au0828_analog_register fails, the dev is kfree'd and then flow
jumps to done, which can call au0828_usb_disconnect. Since all USB
error codes are negative, au0828_usb_disconnect will be called. The
problem is au0828_usb_disconnect uses dev, if dev is NULL then there
is immediate oops encountered.

[    7.454307] au0828: au0828_usb_probe() au0282_dev_register failed to register on V4L2
[    7.454323] BUG: unable to handle kernel NULL pointer dereference at 0000000000000050
[    7.454421] PGD 0 P4D 0
[    7.454457] Oops: 0002 [#1] SMP PTI
[    7.454500] CPU: 1 PID: 262 Comm: systemd-udevd Tainted: P           O      4.18.3 #1
[    7.454584] Hardware name: Google Panther/Panther, BIOS MattDevo 04/27/2015
[    7.454670] RIP: 0010:_raw_spin_lock_irqsave+0x2c/0x50
[    7.454725] Code: 44 00 00 55 48 89 e5 41 54 53 48 89 fb 9c 58 0f 1f 44 00 00 49 89 c4 fa 66 0f 1f 44 00 00 e8 db 23 1b ff 31 c0 ba 01 00 00 00 <f0> 0f b1 13 85 c0 75 08 4c 89 e0 5b 41 5c 5d c3 89 c6 48 89 df e8
[    7.455004] RSP: 0018:ffff9130f53ef988 EFLAGS: 00010046
[    7.455063] RAX: 0000000000000000 RBX: 0000000000000050 RCX: 0000000000000000
[    7.455139] RDX: 0000000000000001 RSI: 0000000000000003 RDI: 0000000000000050
[    7.455216] RBP: ffff9130f53ef998 R08: 0000000000000018 R09: 0000000000000090
[    7.455292] R10: ffffed4cc53cb000 R11: ffffed4cc53cb108 R12: 0000000000000082
[    7.455369] R13: ffff9130cf2c6188 R14: 0000000000000000 R15: 0000000000000018
[    7.455447] FS:  00007f2ff8514cc0(0000) GS:ffff9130fcb00000(0000) knlGS:0000000000000000
[    7.455535] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    7.455597] CR2: 0000000000000050 CR3: 00000001753f0002 CR4: 00000000000606a0
[    7.455675] Call Trace:
[    7.455713]  __wake_up_common_lock+0x65/0xc0
[    7.455764]  __wake_up+0x13/0x20
[    7.455808]  ir_lirc_unregister+0x57/0xe0 [rc_core]
[    7.455865]  rc_unregister_device+0xa0/0xc0 [rc_core]
[    7.455935]  au0828_rc_unregister+0x25/0x40 [au0828]
[    7.455999]  au0828_usb_disconnect+0x33/0x80 [au0828]
[    7.456064]  au0828_usb_probe.cold.16+0x8d/0x2aa [au0828]
[    7.456130]  usb_probe_interface+0xf1/0x300
[    7.456184]  driver_probe_device+0x2e3/0x460
[    7.456235]  __driver_attach+0xe4/0x110
[    7.456282]  ? driver_probe_device+0x460/0x460
[    7.456335]  bus_for_each_dev+0x74/0xb0
[    7.456385]  ? kmem_cache_alloc_trace+0x15d/0x1d0
[    7.456441]  driver_attach+0x1e/0x20
[    7.456485]  bus_add_driver+0x159/0x230
[    7.456532]  driver_register+0x70/0xc0
[    7.456578]  usb_register_driver+0x7f/0x140
[    7.456626]  ? 0xffffffffc0474000
[    7.456674]  au0828_init+0xbc/0x1000 [au0828]
[    7.456725]  do_one_initcall+0x4a/0x1c9
[    7.456771]  ? _cond_resched+0x19/0x30
[    7.456817]  ? kmem_cache_alloc_trace+0x15d/0x1d0
[    7.456873]  do_init_module+0x60/0x210
[    7.456918]  load_module+0x221b/0x2710
[    7.456966]  ? vfs_read+0xf5/0x120
[    7.457010]  __do_sys_finit_module+0xbd/0x120
[    7.457061]  ? __do_sys_finit_module+0xbd/0x120
[    7.457115]  __x64_sys_finit_module+0x1a/0x20
[    7.457166]  do_syscall_64+0x5b/0x110
[    7.457210]  entry_SYSCALL_64_after_hwframe+0x49/0xbe

Signed-off-by: Brad Love <brad@nextdimension.cc>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: venus: helpers: use true and false for boolean values
Gustavo A. R. Silva [Sun, 5 Aug 2018 00:12:57 +0000 (20:12 -0400)]
media: venus: helpers: use true and false for boolean values

Return statements in functions returning bool should use true or false
instead of an integer value.

This code was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: coda: don't overwrite h.264 profile_idc on decoder instance
Lucas Stach [Wed, 1 Aug 2018 14:18:04 +0000 (10:18 -0400)]
media: coda: don't overwrite h.264 profile_idc on decoder instance

On a decoder instance, after the profile has been parsed from the stream
__v4l2_ctrl_s_ctrl() is called to notify userspace about changes in the
read-only profile control. This ends up calling back into the CODA driver
where a missing check on the s_ctrl caused the profile information that has
just been parsed from the stream to be overwritten with the default
baseline profile.

Later on the driver fails to enable frame reordering, based on the wrong
profile information.

Fixes: 347de126d1da (media: coda: add read-only h.264 decoder
                     profile/level controls)

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: vb2: check for sane values from queue_setup
Johan Fjeldtvedt [Mon, 17 Sep 2018 08:36:47 +0000 (04:36 -0400)]
media: vb2: check for sane values from queue_setup

Warn and return error from the reqbufs ioctl when driver sets 0 number
of planes or 0 as plane sizes, as these values don't make any sense.
Checking this here stops obviously wrong values from propagating
further and causing various problems that are hard to trace back to
either of these values being 0.

Signed-off-by: Johan Fjeldtvedt <johfjeld@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: platform: remove redundant null pointer check before of_node_put
zhong jiang [Sun, 16 Sep 2018 13:16:51 +0000 (09:16 -0400)]
media: platform: remove redundant null pointer check before of_node_put

of_node_put has taken the null pinter check into account. So it is
safe to remove the duplicated check before of_node_put.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Reviewed-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: coda: remove redundant null pointer check before of_node_put
zhong jiang [Sun, 16 Sep 2018 13:04:49 +0000 (09:04 -0400)]
media: coda: remove redundant null pointer check before of_node_put

of_node_put has taken the null pointer check into account. So it is
safe to remove the duplicated check before of_node_put.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: media colorspaces*.rst: rename AdobeRGB to opRGB
Hans Verkuil [Thu, 13 Sep 2018 11:47:28 +0000 (07:47 -0400)]
media: media colorspaces*.rst: rename AdobeRGB to opRGB

Drop all Adobe references and use the official opRGB standard
instead.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: stable@vger.kernel.org
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: hdmi.h: rename ADOBE_RGB to OPRGB and ADOBE_YCC to OPYCC
Hans Verkuil [Thu, 13 Sep 2018 11:47:29 +0000 (07:47 -0400)]
media: hdmi.h: rename ADOBE_RGB to OPRGB and ADOBE_YCC to OPYCC

These names have been renamed in the CTA-861 standard due to trademark
issues. Replace them here as well so they are in sync with the standard.

Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Cc: stable@vger.kernel.org
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: replace ADOBERGB by OPRGB
Hans Verkuil [Fri, 14 Sep 2018 08:58:03 +0000 (04:58 -0400)]
media: replace ADOBERGB by OPRGB

The CTA-861 standards have been updated to refer to opRGB instead
of AdobeRGB. The official standard is in fact named opRGB, so
switch to that.

The two old defines referring to ADOBERGB in the public API are
put under #ifndef __KERNEL__ and a comment mentions that they are
deprecated.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: stable@vger.kernel.org
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: imx-pxp: fix compilation on i386 or x86_64
Philipp Zabel [Fri, 14 Sep 2018 07:10:56 +0000 (03:10 -0400)]
media: imx-pxp: fix compilation on i386 or x86_64

Include the missing interrupt.h header to fix compilation on i386 or
x86_64:

 ../drivers/media/platform/imx-pxp.c:988:1: error: unknown type name 'irqreturn_t'
  static irqreturn_t pxp_irq_handler(int irq, void *dev_id)
  ^
 ../drivers/media/platform/imx-pxp.c: In function 'pxp_irq_handler':
 ../drivers/media/platform/imx-pxp.c:1012:9: error: 'IRQ_HANDLED' undeclared (first use in this function)
   return IRQ_HANDLED;
          ^
 ../drivers/media/platform/imx-pxp.c:1012:9: note: each undeclared identifier is reported only once for each function it appears in
 ../drivers/media/platform/imx-pxp.c: In function 'pxp_probe':
 ../drivers/media/platform/imx-pxp.c:1660:2: error: implicit declaration of function 'devm_request_threaded_irq' [-Werror=implicit-function-declaration]
   ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, pxp_irq_handler,
   ^
 ../drivers/media/platform/imx-pxp.c:1661:4: error: 'IRQF_ONESHOT' undeclared (first use in this function)
     IRQF_ONESHOT, dev_name(&pdev->dev), dev);

Fixes: 51abcf7fdb70 ("media: imx-pxp: add i.MX Pixel Pipeline driver")

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: vicodec: Drop unused job_abort()
Ezequiel Garcia [Mon, 10 Sep 2018 15:21:54 +0000 (11:21 -0400)]
media: vicodec: Drop unused job_abort()

The vicodec does not use the aborting field. In fact, this driver
can't really cancel any work, since it performs all the work
in device_run().

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: vicodec: Drop unneeded symbol dependency
Ezequiel Garcia [Mon, 10 Sep 2018 15:21:53 +0000 (11:21 -0400)]
media: vicodec: Drop unneeded symbol dependency

The vicodec doesn't use the Subdev API, so drop the dependency.

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: vicodec: set state->info before calling the encode/decode funcs
Hans Verkuil [Mon, 10 Sep 2018 15:00:40 +0000 (11:00 -0400)]
media: vicodec: set state->info before calling the encode/decode funcs

state->info was NULL since I completely forgot to set state->info.
Oops.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reported-by: Ezequiel Garcia <ezequiel@collabora.com>
Tested-by: Ezequiel Garcia <ezequiel@collabora.com>
[hans.verkuil@cisco.com: re-add q_out which was removed by commit 703fe34bac]
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: vicodec: check for valid format in v4l2_fwht_en/decode
Hans Verkuil [Mon, 10 Sep 2018 15:00:39 +0000 (11:00 -0400)]
media: vicodec: check for valid format in v4l2_fwht_en/decode

These functions did not return an error if state->info was NULL
or an unsupported pixelformat was selected (should not happen,
but just to be on the safe side).

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: saa7134: add P7131_4871 analog inputs
Alexandre GRIVEAUX [Sun, 2 Sep 2018 12:36:40 +0000 (08:36 -0400)]
media: saa7134: add P7131_4871 analog inputs

The saa7134 Tiger board has a front panel connector at the back (labeled
panel 2 on the PCB), with S-VIDEO, composite and audio.

This patch adds those inputs.

Signed-off-by: Alexandre GRIVEAUX <agriveaux@deutnet.info>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: pci: ivtv: Fix a sleep-in-atomic-context bug in ivtv_yuv_init()
Jia-Ju Bai [Sat, 1 Sep 2018 11:44:09 +0000 (07:44 -0400)]
media: pci: ivtv: Fix a sleep-in-atomic-context bug in ivtv_yuv_init()

The driver may sleep in a interrupt handler.

The function call paths (from bottom to top) in Linux-4.16 are:

[FUNC] kzalloc(GFP_KERNEL)
drivers/media/pci/ivtv/ivtv-yuv.c, 938:
kzalloc in ivtv_yuv_init
drivers/media/pci/ivtv/ivtv-yuv.c, 960:
ivtv_yuv_init in ivtv_yuv_next_free
drivers/media/pci/ivtv/ivtv-yuv.c, 1126:
ivtv_yuv_next_free in ivtv_yuv_setup_stream_frame
drivers/media/pci/ivtv/ivtv-irq.c, 827:
ivtv_yuv_setup_stream_frame in ivtv_irq_dec_data_req
drivers/media/pci/ivtv/ivtv-irq.c, 1013:
ivtv_irq_dec_data_req in ivtv_irq_handler

To fix this bug, GFP_KERNEL is replaced with GFP_ATOMIC.

This bug is found by my static analysis tool DSAC.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: imx: work around false-positive warning, again
Arnd Bergmann [Mon, 13 Aug 2018 21:32:17 +0000 (17:32 -0400)]
media: imx: work around false-positive warning, again

A warning that I thought to be solved by a previous patch of mine
has resurfaced with gcc-8:

media/imx/imx-media-csi.c: In function 'csi_link_validate':
media/imx/imx-media-csi.c:1025:20: error: 'upstream_ep' may be used uninitialized in this function [-Werror=maybe-uninitialized]
media/imx/imx-media-csi.c:1026:24: error: 'upstream_ep.bus_type' may be used uninitialized in this function [-Werror=maybe-uninitialized]
media/imx/imx-media-csi.c:127:19: error: 'upstream_ep.bus.parallel.bus_width' may be used uninitialized in this function [-Werror=maybe-uninitialized]
media/imx/imx-media-csi.c: In function 'csi_enum_mbus_code':
media/imx/imx-media-csi.c:132:9: error: '*((void *)&upstream_ep+12)' may be used uninitialized in this function [-Werror=maybe-uninitialized]
media/imx/imx-media-csi.c:132:48: error: 'upstream_ep.bus.parallel.bus_width' may be used uninitialized in this function [-Werror=maybe-uninitialized]

I spent some more time digging in this time, and think I have a better
fix, bailing out of the function that either initializes or errors
out here, which simplifies the code enough for gcc to figure out
what is going on. The earlier partial workaround can be removed now,
as the new workaround is better.

Fixes: 890f27693f2a ("media: imx: work around false-positive warning")

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: cec: remove cec-edid.c
Hans Verkuil [Thu, 13 Sep 2018 12:00:39 +0000 (08:00 -0400)]
media: cec: remove cec-edid.c

Move cec_get_edid_phys_addr() to cec-adap.c. It's not worth keeping
a separate source for this.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: <stable@vger.kernel.org> # for v4.17 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: cec/v4l2: move V4L2 specific CEC functions to V4L2
Hans Verkuil [Thu, 13 Sep 2018 07:40:56 +0000 (03:40 -0400)]
media: cec/v4l2: move V4L2 specific CEC functions to V4L2

Several CEC functions are actually specific for use with receivers,
i.e. they should be part of the V4L2 subsystem, not CEC.

These functions deal with validating and modifying EDIDs for (HDMI)
receivers, and they do not actually have anything to do with the CEC
subsystem and whether or not CEC is enabled. The problem was that if
the CEC_CORE config option was not set, then these functions would
become stubs, but that's not right: they should always be valid.

So replace the cec_ prefix by v4l2_ and move them to v4l2-dv-timings.c.
Update all drivers that call these accordingly.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reported-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: <stable@vger.kernel.org> # for v4.17 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: cec: integrate cec_validate_phys_addr() in cec-api.c
Hans Verkuil [Thu, 13 Sep 2018 07:36:29 +0000 (03:36 -0400)]
media: cec: integrate cec_validate_phys_addr() in cec-api.c

The cec_phys_addr_validate() function will be moved to V4L2,
so use a simplified variant of that function in cec-api.c.
cec now no longer calls cec_phys_addr_validate() and it can
be safely moved to V4L2.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: <stable@vger.kernel.org> # for v4.17 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: cec: make cec_get_edid_spa_location() an inline function
Hans Verkuil [Thu, 13 Sep 2018 07:25:59 +0000 (03:25 -0400)]
media: cec: make cec_get_edid_spa_location() an inline function

This function is needed by both V4L2 and CEC, so move this to
cec.h as a static inline since there are no obvious shared
modules between the two subsystems.

This patch, together with the following ones, fixes a
dependency bug: if CEC_CORE is disabled, then building adv7604
(and other HDMI receivers) will fail because an essential
function is now stubbed out.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: <stable@vger.kernel.org> # for v4.17 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: ov5640: fix restore of last mode set
Hugues Fruchet [Tue, 11 Sep 2018 13:48:21 +0000 (09:48 -0400)]
media: ov5640: fix restore of last mode set

Mode setting depends on last mode set, in particular
because of exposure calculation when downscale mode
change between subsampling and scaling.
At stream on the last mode was wrongly set to current mode,
so no change was detected and exposure calculation
was not made, fix this.

Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Tested-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: ov5640: fix auto controls values when switching to manual mode
Hugues Fruchet [Tue, 11 Sep 2018 13:48:20 +0000 (09:48 -0400)]
media: ov5640: fix auto controls values when switching to manual mode

When switching from auto to manual mode, V4L2 core is calling
g_volatile_ctrl() in manual mode in order to get the manual initial value.
Remove the manual mode check/return to not break this behaviour.

Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
Tested-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: ov5640: fix wrong binning value in exposure calculation
Hugues Fruchet [Tue, 11 Sep 2018 13:48:19 +0000 (09:48 -0400)]
media: ov5640: fix wrong binning value in exposure calculation

ov5640_set_mode_exposure_calc() is checking binning value but
binning value read is buggy, fix this.
Rename ov5640_binning_on() to ov5640_get_binning() as per other
similar functions.

Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: ov5640: fix auto gain & exposure when changing mode
Hugues Fruchet [Tue, 11 Sep 2018 13:48:18 +0000 (09:48 -0400)]
media: ov5640: fix auto gain & exposure when changing mode

Ensure that auto gain and auto exposure are well restored
when changing mode.

Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Tested-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: ov5640: fix exposure regression
Hugues Fruchet [Tue, 11 Sep 2018 13:48:17 +0000 (09:48 -0400)]
media: ov5640: fix exposure regression

Symptom was black image when capturing HD or 5Mp picture
due to manual exposure set to 1 while it was intended to
set autoexposure to "manual", fix this.

Fixes: bf4a4b518c20 ("media: ov5640: Don't force the auto exposure state at start time").

Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: ov5640: Fix timings setup code
Jacopo Mondi [Wed, 18 Jul 2018 10:06:23 +0000 (06:06 -0400)]
media: ov5640: Fix timings setup code

As of: commit 476dec012f4c ("media: ov5640: Add horizontal and vertical
totals") the timings parameters gets programmed separately from the
static register values array.

When changing capture mode, the vertical and horizontal totals gets
inspected by the set_mode_exposure_calc() functions, and only later
programmed with the new values. This means exposure, light banding
filter and shutter gain are calculated using the previous timings, and
are thus not correct.

Fix this by programming timings right after the static register value
table has been sent to the sensor in the ov5640_load_regs() function.

Fixes: 476dec012f4c ("media: ov5640: Add horizontal and vertical totals")

Tested-by: Steve Longerbeam <slongerbeam@gmail.com> # i.MX6q SabreSD, CSI-2
Tested-by: Loic Poulain <loic.poulain@linaro.org> # Dragonboard-410c, CSI-2
Signed-off-by: Samuel Bobrowicz <sam@elite-embedded.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: ov5640: Re-work MIPI startup sequence
Jacopo Mondi [Fri, 6 Jul 2018 09:51:52 +0000 (05:51 -0400)]
media: ov5640: Re-work MIPI startup sequence

Rework the MIPI interface startup sequence with the following changes:

- Remove MIPI bus initialization from the initial settings blob
- At set_power(1) time power up MIPI Tx/Rx and set data and clock lanes in
  LP11 during 'sleep' and 'idle' with MIPI clock in non-continuous mode.
- At s_stream time enable/disable the MIPI interface output.
- Restore default settings at set_power(0) time.

Before this commit the sensor MIPI interface was initialized with settings
that require a start/stop sequence at power-up time in order to force lanes
into LP11 state, as they were initialized in LP00 when in 'sleep mode',
which is assumed to be the sensor manual definition for the D-PHY defined
stop mode.

The stream start/stop was performed by enabling disabling clock gating,
and had the side effect to change the lanes sleep mode configuration when
stream was stopped.

Clock gating/ungating:
-       ret = ov5640_mod_reg(sensor, OV5640_REG_MIPI_CTRL00, BIT(5),
-                            on ? 0 : BIT(5));
-       if (ret)

Set lanes in LP11 when in 'sleep mode':
-       ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00,
-                              on ? 0x00 : 0x70);

This commit fixes an issue reported by Jagan Teki on i.MX6 platforms that
prevents the host interface from powering up correctly:
https://lkml.org/lkml/2018/6/1/38

It also improves MIPI capture operations stability on my testing platform
where MIPI capture often failed and returned all-purple frames.

Fixes: f22996db44e2 ("media: ov5640: add support of DVP parallel interface")

Tested-by: Steve Longerbeam <slongerbeam@gmail.com> (i.MX6q SabreSD, CSI-2)
Tested-by: Loic Poulain <loic.poulain@linaro.org> (Dragonboard-410c, CSI-2)
Reported-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: ov2680: rename ov2680_v4l2_init() to ov2680_v4l2_register()
Javier Martinez Canillas [Sat, 1 Sep 2018 12:46:30 +0000 (08:46 -0400)]
media: ov2680: rename ov2680_v4l2_init() to ov2680_v4l2_register()

The function not only does initialization but also registers the subdevice
so change its name to make this more clear.

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: ov2680: don't register the v4l2 subdevice before checking chip ID
Javier Martinez Canillas [Sat, 1 Sep 2018 12:46:29 +0000 (08:46 -0400)]
media: ov2680: don't register the v4l2 subdevice before checking chip ID

The driver registers the v4l2 subdevice before attempting to power on the
chip and checking its ID. This means that a media device driver that it's
waiting for this subdevice to be bound, will prematurely expose its media
device node to userspace because if something goes wrong the media entity
will be cleaned up again on the ov2680 probe function.

This also simplifies the probe function error path since no initialization
is made before attempting to enable the resources or checking the chip ID.

Fixes: 3ee47cad3e69 ("media: ov2680: Add Omnivision OV2680 sensor driver")

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: sr030pc30: remove NULL in sr030pc30_base_config()
Dan Carpenter [Fri, 31 Aug 2018 13:20:18 +0000 (09:20 -0400)]
media: sr030pc30: remove NULL in sr030pc30_base_config()

This code doesn't check for NULL consistently and it generates a Smatch
warning:

    drivers/media/i2c/sr030pc30.c:575 sr030pc30_base_config()
    error: we previously assumed 'info->pdata' could be null (see line 572)

Fortunately, "info->pdata" can't be NULL to that check can be removed.
The other thing is that if "ret" is an error code here, then we don't
want to do the next call to cam_i2c_write(), so actually let's flip that
test around and return the error.  This is more of a theoretical issue
than something which is likely to affect real life.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: v4l: sr030pc30: Remove redundant setting of sub-device name
Sakari Ailus [Wed, 29 Aug 2018 10:01:48 +0000 (06:01 -0400)]
media: v4l: sr030pc30: Remove redundant setting of sub-device name

The sub-device name is set right after in v4l2_i2c_subdev_init(). Remove
the redundant strcpy() call.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: smiapp: Use v4l2_i2c_subdev_set_name
Sakari Ailus [Wed, 29 Aug 2018 09:57:36 +0000 (05:57 -0400)]
media: smiapp: Use v4l2_i2c_subdev_set_name

Use v4l2_i2c_subdev_set_name() to set the name of the smiapp driver's
sub-devices. There is no functional change.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: v4l: subdev: Add a function to set an I²C sub-device's name
Sakari Ailus [Wed, 29 Aug 2018 09:52:46 +0000 (05:52 -0400)]
media: v4l: subdev: Add a function to set an I²C sub-device's name

v4l2_i2c_subdev_set_name() can be used to assign a name to a sub-device.
This way uniform names can be formed easily without having to resort to
things such as snprintf in drivers.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: imx274: switch to SPDX license identifier
Luca Ceresoli [Fri, 24 Aug 2018 16:35:25 +0000 (12:35 -0400)]
media: imx274: switch to SPDX license identifier

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: imx274: add helper to read multibyte registers
Luca Ceresoli [Fri, 24 Aug 2018 16:35:24 +0000 (12:35 -0400)]
media: imx274: add helper to read multibyte registers

Currently 2-bytes and 3-bytes registers are read one byte at a time,
doing the needed shift & mask each time.

Replace all of this code by a unique helper function that calls
regmap_bulk_read(), which has two advantages:
 - reads all the bytes in a unique I2C transaction
 - simplifies code to read multibyte registers

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: imx274: fix error in function docs
Luca Ceresoli [Fri, 24 Aug 2018 16:35:23 +0000 (12:35 -0400)]
media: imx274: fix error in function docs

This parameter holds the number of bytes, not bits.

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: imx274: rename frmfmt and format to "mode"
Luca Ceresoli [Fri, 24 Aug 2018 16:35:22 +0000 (12:35 -0400)]
media: imx274: rename frmfmt and format to "mode"

A mix of "mode", "format" and "frmfmt" is used to refer to the sensor
readout mode. Use the term "mode" for all of them. Now "format" is
only used in the V4L2 meaning.

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: imx274: don't hard-code the subdev name to DRIVER_NAME
Luca Ceresoli [Fri, 24 Aug 2018 16:35:21 +0000 (12:35 -0400)]
media: imx274: don't hard-code the subdev name to DRIVER_NAME

Forcibly setting the subdev name to DRIVER_NAME (i.e. "IMX274") makes
it non-unique and less informative.

Let the driver use the default name from i2c, e.g. "IMX274 2-001a".

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: imx274: rearrange sensor startup register tables
Luca Ceresoli [Fri, 24 Aug 2018 16:35:20 +0000 (12:35 -0400)]
media: imx274: rearrange sensor startup register tables

Rearrange the imx274_start_<N> register tables to better match the
datasheet and slightly simplify code:

 - collapes tables 1 and 2, they are applied one after each other and
   together they implement the fixed part 1 of the startup procedure
   in the datasheet
 - while there, cleanup comments
 - rename tables 3 and 4 -> 2 and 3, coherently with the datasheet

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: imx274: rename IMX274_DEFAULT_MODE to IMX274_DEFAULT_BINNING
Luca Ceresoli [Fri, 24 Aug 2018 16:35:19 +0000 (12:35 -0400)]
media: imx274: rename IMX274_DEFAULT_MODE to IMX274_DEFAULT_BINNING

The "mode" has been renamed to "binning" in commit 39dd23dc9d4c
("media: imx274: add cropping support via SELECTION API"), but this
define has not been updated.

Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: dw9807-vcm: Remove redundant pm_runtime_set_suspended in remove
Sakari Ailus [Fri, 20 Jul 2018 21:04:50 +0000 (17:04 -0400)]
media: dw9807-vcm: Remove redundant pm_runtime_set_suspended in remove

The device is already suspended when it's the driver's remove function is
called. Remove redundant pm_runtime_set_suspended call.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: dt-bindings: dw9714, dw9807-vcm: Add files to MAINTAINERS, rename files
Sakari Ailus [Thu, 19 Jul 2018 11:54:28 +0000 (07:54 -0400)]
media: dt-bindings: dw9714, dw9807-vcm: Add files to MAINTAINERS, rename files

Add the DT binding documentation for dw9714 and dw9807-vcm to the
MAINTAINERS file. The dw9807-vcm binding documentation file is renamed to
match the dw9807's VCM bit's compatible string.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: vsp1: Document max_width restriction on UDS
Kieran Bingham [Fri, 14 Sep 2018 14:26:52 +0000 (10:26 -0400)]
media: vsp1: Document max_width restriction on UDS

The UDS is currently restricted based on a partition size of 256 pixels.
Document the actual restrictions, but don't increase the implementation.

The extended partition algorithm may later choose to utilise a larger
partition size to support overlapping partitions which will improve the
quality of the output images.

Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: vsp1: Document max_width restriction on SRU
Kieran Bingham [Fri, 14 Sep 2018 14:26:51 +0000 (10:26 -0400)]
media: vsp1: Document max_width restriction on SRU

The SRU is currently restricted to 256 pixels as part of the current
partition algorithm. Document that the actual capability of this
component is 288 pixels, but don't increase the implementation.

The extended partition algorithm may later choose to utilise a larger
input to support overlapping partitions which will improve the quality
of the output images.

Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: vsp1: use periods at the end of comment sentences
Kieran Bingham [Fri, 31 Aug 2018 14:40:44 +0000 (10:40 -0400)]
media: vsp1: use periods at the end of comment sentences

The style of this driver uses periods at the end of sentences in
comments, but it is applied inconsitently.

Update a selection of comments which were discovered to be missing their
period. Also fix the spelling of one usage of 'instantiate'

Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: vsp1: Remove artificial minimum width/height limitation
Kieran Bingham [Fri, 31 Aug 2018 14:40:39 +0000 (10:40 -0400)]
media: vsp1: Remove artificial minimum width/height limitation

The VSP1 has a minimum width and height of a single pixel, with the
exception of pixel formats with sub-sampling.

Remove the artificial minimum width and minimum height limitation, and
instead clamp the minimum dimensions based upon the sub-sampling
parameter of that dimension.

Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: vsp1: Fix YCbCr planar formats pitch calculation
Koji Matsuoka [Thu, 26 Oct 2017 06:27:51 +0000 (02:27 -0400)]
media: vsp1: Fix YCbCr planar formats pitch calculation

YCbCr planar formats can have different pitch values for the luma and
chroma planes. This isn't taken into account in the driver. Fix it.

Based on a BSP patch from Koji Matsuoka <koji.matsuoka.xm@renesas.com>.

Fixes: 7863ac504bc5 ("drm: rcar-du: Add tri-planar memory formats support")
[Updated documentation of the struct vsp1_du_atomic_config pitch field]

Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@renesas.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: vsp1: Update LIF buffer thresholds
Laurent Pinchart [Thu, 26 Oct 2017 06:27:51 +0000 (02:27 -0400)]
media: vsp1: Update LIF buffer thresholds

The LIF module has a data buffer to accommodate clock rate differences
between the DU and the VSP. Several programmable threshold values
control DU start of frame notification by the VSP and VSP clock
stop/resume. The R-Car Gen2 and Gen3 datasheets recommend values for the
different SoCs. Update the driver to use the recommended values for
optimal operation.

Based on a BSP patch from Koji Matsuoka <koji.matsuoka.xm@renesas.com>,
with Gen2 and V3H/V3M updates.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: vsp1: Fix vsp1_regs.h license header
Laurent Pinchart [Fri, 27 Apr 2018 21:41:12 +0000 (17:41 -0400)]
media: vsp1: Fix vsp1_regs.h license header

All source files of the vsp1 driver are licensed under the GPLv2+ except
for vsp1_regs.h which is licensed under GPLv2. This is caused by a bad
copy&paste that dates back from the initial version of the driver. Fix
it.

Acked-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Acked-by: Sergei Shtylyov<sergei.shtylyov@cogentembedded.com>
Acked-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: MAINTAINERS: VSP1: Add co-maintainer
Kieran Bingham [Mon, 6 Aug 2018 14:39:02 +0000 (10:39 -0400)]
media: MAINTAINERS: VSP1: Add co-maintainer

Add myself as a co-maintainer for the Renesas VSP driver.

Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: tvp5150: get rid of some warnings
Mauro Carvalho Chehab [Wed, 1 Aug 2018 14:16:48 +0000 (10:16 -0400)]
media: tvp5150: get rid of some warnings

The recent tvp5150 patchset added two new warnings:

drivers/media/i2c/tvp5150.c: In function 'tvp5150_querystd':
drivers/media/i2c/tvp5150.c:829:18: warning: unused variable 'decoder' [-Wunused-variable]
  struct tvp5150 *decoder = to_tvp5150(sd);
                  ^~~~~~~
drivers/media/i2c/tvp5150.c:1522:6: warning: no previous prototype for 'tvp5150_volatile_reg' [-Wmissing-prototypes]
 bool tvp5150_volatile_reg(struct device *dev, unsigned int reg)
      ^~~~~~~~~~~~~~~~~~~~

Get rid of them.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: tvp5150: implement decoder lock when irq is not used
Mauro Carvalho Chehab [Wed, 1 Aug 2018 14:09:24 +0000 (10:09 -0400)]
media: tvp5150: implement decoder lock when irq is not used

When irq is used, the lock is set via IRQ code. When it isn't,
the driver just assumes it is always locked. Instead, read the
lock status from the status register.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: tvp5150: add querystd
Philipp Zabel [Thu, 28 Jun 2018 16:20:48 +0000 (12:20 -0400)]
media: tvp5150: add querystd

Add the querystd video_op and make it return V4L2_STD_UNKNOWN while the
TVP5150 is not locked to a signal.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: tvp5150: add g_std callback
Marco Felsch [Thu, 28 Jun 2018 16:20:49 +0000 (12:20 -0400)]
media: tvp5150: add g_std callback

Add callback to retrieve the current set norm.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: tvp5150: add sync lock/loss signal debug messages
Philipp Zabel [Thu, 28 Jun 2018 16:20:47 +0000 (12:20 -0400)]
media: tvp5150: add sync lock/loss signal debug messages

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: tvp5150: issue source change events
Philipp Zabel [Thu, 28 Jun 2018 16:20:46 +0000 (12:20 -0400)]
media: tvp5150: issue source change events

Issue a V4L2_EVENT_SOURCE_CHANGE notification when the TVP5150 locks
onto a signal and when it loses the lock.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
[m.felsch@pengutronix.de: partly mainline part port]
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: tvp5150: disable output while signal not locked
Philipp Zabel [Thu, 28 Jun 2018 16:20:45 +0000 (12:20 -0400)]
media: tvp5150: disable output while signal not locked

To avoid short frames on stream start, keep output pins at high impedance
while we are not properly locked onto the input signal.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: tvp5150: Add sync lock interrupt handling
Philipp Zabel [Thu, 28 Jun 2018 16:20:44 +0000 (12:20 -0400)]
media: tvp5150: Add sync lock interrupt handling

This patch adds an optional interrupt handler to handle the sync
lock interrupt and sync lock status.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
[m.felsch@pengutronix.de: move added .g_std callback to separate patch]
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: tvp5150: remove pin configuration from initialization tables
Philipp Zabel [Thu, 28 Jun 2018 16:20:43 +0000 (12:20 -0400)]
media: tvp5150: remove pin configuration from initialization tables

To allow optional interrupt support, we want to configure the pin settings
dynamically. Move those register accesses out of the static initialization
tables.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
[m.felsch@pengutronix.de: drop init_default register remove]
[m.felsch@pengutronix.de: fix regmap access during reset()]
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: tvp5150: split reset/enable routine
Philipp Zabel [Thu, 28 Jun 2018 16:20:42 +0000 (12:20 -0400)]
media: tvp5150: split reset/enable routine

To trigger standard autodetection only the reset part of the routine
is necessary during probe(). Split this out to make it callable on its own.

[m.felsch@pengutronix.de: adapt commit message]
[m.felsch@pengutronix.de: add tvp5150_enable() to tvp5150_s_stream()]
[m.chehab@samsung.com: fix a compilation breakage]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: tvp5150: fix standard autodetection
Philipp Zabel [Thu, 28 Jun 2018 16:20:41 +0000 (12:20 -0400)]
media: tvp5150: fix standard autodetection

Make sure to not overwrite decoder->norm when setting the standard
in hardware, but only when instructed by V4L2 API calls.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: tvp5150: trigger autodetection on subdev open to reset cropping
Philipp Zabel [Thu, 28 Jun 2018 16:20:40 +0000 (12:20 -0400)]
media: tvp5150: trigger autodetection on subdev open to reset cropping

If cropping isn't set explicitly by userspace, reset it to the maximum
possible rectangle in subdevice open if a standard change is detected.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
[m.felsch@pengutronix.de: move code from internal_ops.open() to pad_ops.init_cfg()]
[m.felsch@pengutronix.de: make use of tvp5150_set_default() helper]
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: tvp5150: add default format helper
Marco Felsch [Thu, 28 Jun 2018 16:20:39 +0000 (12:20 -0400)]
media: tvp5150: add default format helper

The patch adds three macros to bundle the mbus_framefmt default
values and a helper function to set the the default crop and
mbus_framefmt values.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: v4l2-rect.h: add position and equal helpers
Marco Felsch [Thu, 28 Jun 2018 16:20:37 +0000 (12:20 -0400)]
media: v4l2-rect.h: add position and equal helpers

Add two helper functions to check if two rectangles have the same
position (top/left) and if two rectangles equals (same size and
same position).

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: tvp5150: make use of regmap_update_bits
Marco Felsch [Thu, 28 Jun 2018 16:20:36 +0000 (12:20 -0400)]
media: tvp5150: make use of regmap_update_bits

Since commit 9a4c7e68f7e0 ("media: tvp5150: convert register
access to regmap")' the driver supports regmap. Now we can drop
the handmade bit update sequence and move to the regmap provided
helpers.

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: tvp5150: convert register access to regmap
Philipp Zabel [Thu, 28 Jun 2018 16:20:35 +0000 (12:20 -0400)]
media: tvp5150: convert register access to regmap

Regmap provides built in debugging, caching and provides dedicated
accessors for bit manipulations in registers, which make the following
changes a lot simpler.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: tvp5150: fix switch exit in set control handler
Marco Felsch [Thu, 28 Jun 2018 16:20:34 +0000 (12:20 -0400)]
media: tvp5150: fix switch exit in set control handler

The function only consists of a single switch case block without a
default case. Unsupported control requests are indicated by the -EINVAL
return code trough the last return statement at the end of the function. So
exiting just the switch case block returns the -EINVAL error code but the
hue control is supported and a zero should be returned instead.

Replace the break by a 'return 0' to fix this behaviour.

Fixes: d183e4efcae8 ("[media] v4l: tvp5150: Add missing break in set
control handler")

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: tvp5150: fix width alignment during set_selection()
Marco Felsch [Thu, 28 Jun 2018 16:20:33 +0000 (12:20 -0400)]
media: tvp5150: fix width alignment during set_selection()

The driver ignored the width alignment which exists due to the UYVY
colorspace format. Fix the width alignment and make use of the the
provided v4l2 helper function to set the width, height and all
alignments in one.

Fixes: 963ddc63e20d ("[media] media: tvp5150: Add cropping support")

Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: v4l2-mc: get rid of global pad indexes
Mauro Carvalho Chehab [Wed, 1 Aug 2018 10:58:38 +0000 (06:58 -0400)]
media: v4l2-mc: get rid of global pad indexes

Now that all drivers are using pad signal types, we can get
rid of the global static definition, as routes are stablished
using the pad signal type.

The tuner and IF-PLL pads are now used only by the tuner core,
so move the definitions to be there.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: mxl111sf: declare its own pads
Mauro Carvalho Chehab [Wed, 1 Aug 2018 10:57:19 +0000 (06:57 -0400)]
media: mxl111sf: declare its own pads

As we don't need anymore to share pad numbers with similar
drivers, use its own pad definition instead of a global
model.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: saa7134: declare its own pads
Mauro Carvalho Chehab [Wed, 1 Aug 2018 10:20:27 +0000 (06:20 -0400)]
media: saa7134: declare its own pads

As we don't need anymore to share pad numbers with similar
drivers, use its own pad definition instead of a global
model.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: si2157: declare its own pads
Mauro Carvalho Chehab [Wed, 1 Aug 2018 10:15:22 +0000 (06:15 -0400)]
media: si2157: declare its own pads

As we don't need anymore to share pad numbers with similar
drivers, use its own pad definition instead of a global
model.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: tvp5150: declare its own pads
Mauro Carvalho Chehab [Wed, 1 Aug 2018 10:10:05 +0000 (06:10 -0400)]
media: tvp5150: declare its own pads

As we don't need anymore to share pad numbers with similar
drivers, use its own pad definition instead of a global
model.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: saa7115: declare its own pads
Mauro Carvalho Chehab [Wed, 1 Aug 2018 10:07:09 +0000 (06:07 -0400)]
media: saa7115: declare its own pads

As we don't need anymore to share pad numbers with similar
drivers, use its own pad definition instead of a global
model.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: msp3400: declare its own pads
Mauro Carvalho Chehab [Wed, 1 Aug 2018 10:04:13 +0000 (06:04 -0400)]
media: msp3400: declare its own pads

As we don't need anymore to share pad numbers with similar
drivers, use its own pad definition instead of a global
model.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: au8522: declare its own pads
Mauro Carvalho Chehab [Wed, 1 Aug 2018 09:06:39 +0000 (05:06 -0400)]
media: au8522: declare its own pads

As we don't need anymore to share pad numbers with similar
drivers, use its own pad definition instead of a global
model.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: au0828: use signals instead of hardcoding a pad number
Mauro Carvalho Chehab [Wed, 1 Aug 2018 09:36:15 +0000 (05:36 -0400)]
media: au0828: use signals instead of hardcoding a pad number

When creating the audio link, use pad signals, instead of
hardcoding using the pad index number.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: dvb: use signal types to discover pads
Mauro Carvalho Chehab [Tue, 31 Jul 2018 16:43:39 +0000 (12:43 -0400)]
media: dvb: use signal types to discover pads

On tuner pads, multiple signals are present. Be sure to get
the right PAD by using them.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: v4l2-mc: add print messages when media graph fails
Mauro Carvalho Chehab [Sat, 15 Sep 2018 04:00:31 +0000 (00:00 -0400)]
media: v4l2-mc: add print messages when media graph fails

It is not trivial to debug troubles at media graph build.
So, add print messages to help debug what's happening,
in the case of an error occurs.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: v4l2-mc: switch it to use the new approach to setup pipelines
Mauro Carvalho Chehab [Tue, 31 Jul 2018 13:22:40 +0000 (09:22 -0400)]
media: v4l2-mc: switch it to use the new approach to setup pipelines

Instead of relying on a static map for pids, use the new sig_type
"taint" type to setup the pipelines with the same tipe between
different entities.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: v4l2: taint pads with the signal types for consumer devices
Mauro Carvalho Chehab [Tue, 31 Jul 2018 12:03:48 +0000 (08:03 -0400)]
media: v4l2: taint pads with the signal types for consumer devices

Consumer devices are provided with a wide different range of types
supported by the same driver, allowing different configutations.

In order to make easier to setup media controller links, "taint"
pads with the signal type it carries.

While here, get rid of DEMOD_PAD_VBI_OUT, as the signal it carries
is actually the same as the normal video output.

The difference happens at the video/VBI interface:
- for VBI, only the hidden lines are streamed;
- for video, the stream is usually cropped to hide the
  vbi lines.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: v4l2: remove VBI output pad
Mauro Carvalho Chehab [Tue, 31 Jul 2018 16:48:05 +0000 (12:48 -0400)]
media: v4l2: remove VBI output pad

The signal there is the same as the video output (well,
except for sliced VBI, but let's simplify the model and ignore
it, at least for now - as it is routed together with raw
VBI).

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: em28xx: make v4l2-compliance happier by starting sequence on zero
Mauro Carvalho Chehab [Fri, 14 Sep 2018 02:46:29 +0000 (22:46 -0400)]
media: em28xx: make v4l2-compliance happier by starting sequence on zero

The v4l2-compliance tool complains if a video doesn't start
with a zero sequence number.

While this shouldn't cause any real problem for apps, let's
make it happier, in order to better check the v4l2-compliance
differences before and after patchsets.

This is actually an old issue. It is there since at least its
videobuf2 conversion, e. g. changeset 3829fadc461 ("[media]
em28xx: convert to videobuf2"), if VB1 wouldn't suffer from
the same issue.

Cc: stable@vger.kernel.org
Fixes: d3829fadc461 ("[media] em28xx: convert to videobuf2")
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
6 years agomedia: em28xx: fix input name for Terratec AV 350
Mauro Carvalho Chehab [Fri, 14 Sep 2018 04:20:21 +0000 (00:20 -0400)]
media: em28xx: fix input name for Terratec AV 350

Instead of using a register value, use an AMUX name, as otherwise
VIDIOC_G_AUDIO would fail.

Cc: stable@vger.kernel.org
Fixes: 766ed64de554 ("V4L/DVB (11827): Add support for Terratec Grabster AV350")
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>