Laurent Pinchart [Sat, 8 Feb 2014 16:31:58 +0000 (13:31 -0300)]
upstream: [media] mt9p031: Fix typo in comment
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Laurent Pinchart [Sat, 8 Feb 2014 16:33:46 +0000 (13:33 -0300)]
upstream: [media] mt9t001: Add clock support
The sensor needs a master clock, handle it explictly in the driver.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Laurent Pinchart [Sat, 8 Feb 2014 16:33:46 +0000 (13:33 -0300)]
upstream: [media] mt9t001: Add regulator support
The sensor needs two power supplies, VAA and VDD. Require a regulator
for each of them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Laurent Pinchart [Sat, 15 Feb 2014 00:45:50 +0000 (21:45 -0300)]
upstream: [media] omap3isp: Don't ignore failure to locate external subdev
A failure to locate the external subdev for a non memory-to-memory
pipeline is a fatal error, don't ignore it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Tested-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Hans Verkuil [Mon, 10 Feb 2014 11:08:47 +0000 (08:08 -0300)]
upstream: [media] vivi: queue_setup improvements
Drop the vid_limit module option: there is really no need to limit this.
No other driver does that. If you try to allocate more buffers then vb2
will automatically reduce the number of buffers anyway.
Also add sanity checks if the size in the fmt argument is going to be
used and drop the code that checks against *nbuffers == 0: this can
never happen (the vb2 framework ensures that) and the code was wrong
anyway since *nbuffers should have been set to the minimum number of
required buffers which is 1 for this driver.
Since vivi is often used as a template driver it is good to have this
driver be as compliant as possible. This broken code was for example
copied to the s2255 driver (which is being fixed as well).
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Hans Verkuil [Mon, 10 Feb 2014 11:08:46 +0000 (08:08 -0300)]
upstream: [media] vivi: drop unused field
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Hans Verkuil [Mon, 10 Feb 2014 11:08:43 +0000 (08:08 -0300)]
upstream: [media] radio-usb-si4713: make array of structs const
The start_seq[] should be const.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Malcolm Priestley [Thu, 13 Feb 2014 21:29:33 +0000 (18:29 -0300)]
upstream: [media] it913x-fe: Dead code remove driver
This driver has been replaced by af9033 and tuner_it913x
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Malcolm Priestley [Thu, 13 Feb 2014 21:28:28 +0000 (18:28 -0300)]
upstream: [media] it913x: dead code Remove driver
Following moving ids to af9035.
This driver is no longer in use.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Antti Palosaari [Wed, 12 Feb 2014 18:50:17 +0000 (15:50 -0300)]
upstream: [media] af9035: use default i2c slave address for af9035 too
Some device vendors has forgotten set correct slave demod I2C address
to eeprom. Use default I2C address when eeprom has no address at all.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Malcolm Priestley [Sun, 9 Feb 2014 13:04:06 +0000 (10:04 -0300)]
upstream: [media] af9035: Add remaining it913x dual ids to af9035
As follow on to patch
af9035: Move it913x single devices to af9035
and patch 1.
SNR is reported as db/10 values.
All dual ids are added to af9035 and it913x driver disabled.
it913x/it913x-fe removal patches to follow.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Malcolm Priestley [Sun, 9 Feb 2014 13:02:49 +0000 (10:02 -0300)]
upstream: [media] af9035: add default 0x9135 slave I2C address
On some devices the vendor has not set EEPROM_2ND_DEMOD_ADDR.
Checks tmp is not zero after call to get EEPROM_2ND_DEMOD_ADDR and sets the
default slave address of 0x3a on 0x9135 devices.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Malcolm Priestley [Sat, 8 Feb 2014 16:11:16 +0000 (13:11 -0300)]
upstream: [media] af9035: Move it913x single devices to af9035
The generic v1 and v2 devices have been all tested.
IDs tested
USB_PID_ITETECH_IT9135 v1 & v2
USB_PID_ITETECH_IT9135_9005 v1
USB_PID_ITETECH_IT9135_9006 v2
Current Issues
There is no signal on
USB_PID_ITETECH_IT9135 v2
No SNR reported all devices.
All single devices tune and scan fine.
All remotes tested okay.
Dual device failed to register second adapter
USB_PID_KWORLD_UB499_2T_T09
It is not clear what the problem is at the moment.
So only single IDs are transferred in this patch.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Antti Palosaari [Tue, 11 Feb 2014 18:13:46 +0000 (15:13 -0300)]
upstream: [media] tda10071: coding style issues
Fix some coding style issues, mostly reported by checkpatch.pl.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Antti Palosaari [Tue, 11 Feb 2014 03:17:37 +0000 (00:17 -0300)]
upstream: [media] tda10071: do not check tuner PLL lock on read_status()
Tuner PLL lock flag was mapped to FE_HAS_SIGNAL, which is wrong. PLL
lock has nothing to do with received signal. In real life that flag
is always set.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Dan Carpenter [Thu, 30 Jan 2014 12:00:34 +0000 (09:00 -0300)]
upstream: [media] tda10071: remove a duplicative test
"ret" is an error code here, we already tested that.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Antti Palosaari <crope@iki.fi>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Till Dörges [Tue, 11 Feb 2014 20:27:57 +0000 (17:27 -0300)]
upstream: [media] rtl28xxu: add ID [0ccd:00b4] TerraTec NOXON DAB Stick (rev 3)
I've got the following DAB USB stick that also works fine with the
DVB_USB_RTL28XXU driver after I added its USB ID:
Bus 001 Device 009: ID 0ccd:00b4 TerraTec Electronic GmbH
[crope@iki.fi: apply patch partly manually]
Signed-off-by: Till Dörges <till@doerges.net>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Colin Cross [Sat, 21 Dec 2013 00:43:50 +0000 (16:43 -0800)]
upstream: dma-buf: avoid using IS_ERR_OR_NULL
dma_buf_map_attachment and dma_buf_vmap can return NULL or
ERR_PTR on a error. This encourages a common buggy pattern in
callers:
sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
if (IS_ERR_OR_NULL(sgt))
return PTR_ERR(sgt);
This causes the caller to return 0 on an error. IS_ERR_OR_NULL
is almost always a sign of poorly-defined error handling.
This patch converts dma_buf_map_attachment to always return
ERR_PTR, and fixes the callers that incorrectly handled NULL.
There are a few more callers that were not checking for NULL
at all, which would have dereferenced a NULL pointer later.
There are also a few more callers that correctly handled NULL
and ERR_PTR differently, I left those alone but they could also
be modified to delete the NULL check.
This patch also converts dma_buf_vmap to always return NULL.
All the callers to dma_buf_vmap only check for NULL, and would
have dereferenced an ERR_PTR and panic'd if one was ever
returned. This is not consistent with the rest of the dma buf
APIs, but matches the expectations of all of the callers.
Signed-off-by: Colin Cross <ccross@android.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Mauro Carvalho Chehab [Fri, 7 Feb 2014 10:03:07 +0000 (08:03 -0200)]
upstream: [media, edac] Change my email address
There are several left overs with my old email address.
Remove their occurrences and add myself at CREDITS, to
allow people to be able to reach me on my new addresses.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Antti Seppälä [Sat, 25 Jan 2014 09:57:46 +0000 (06:57 -0300)]
upstream: [media] nuvoton-cir: Don't touch PS/2 interrupts while initializing
There are reports[1] that on some motherboards loading the nuvoton-cir
disables PS/2 keyboard input. This is caused by an erroneous write of
CIR_INTR_MOUSE_IRQ_BIT to ACPI control register.
According to datasheet the write enables mouse power management event
interrupts which will probably have ill effects if the motherboard has
only one PS/2 port with keyboard in it.
The cir hardware does not need mouse interrupts to function and should
not touch them. This patch removes the illegal writes and registry
definitions.
[1] http://ubuntuforums.org/showthread.php?t=2106277&p=
12461912&mode=threaded#post12461912
Reported-by: Bruno Maire <bruno.maire@besonet.ch>
Tested-by: Bruno Maire <bruno.maire@besonet.ch>
Signed-off-by: Antti Seppälä <a.seppala@gmail.com>
Acked-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Joakim Hernberg [Fri, 31 Jan 2014 10:15:48 +0000 (07:15 -0300)]
upstream: [media] cx23885: Fix tuning regression for TeVii S471
When tuning to 10818V on Astra 28E2, the system tunes to 11343V
instead. This is a regression in the S471 driver introduced with the
changeset:
b43ea8068d2090cb1e44632c8a938ab40d2c7419 [media] cx23885:
Fix TeVii S471 regression since introduction of ts2020.
Suggested-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Signed-off-by: Joakim Hernberg <jhernberg@alchemy.lu>
Tested-by: Mark Clarkstone <hello@markclarkstone.co.uk>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Sean Young [Mon, 20 Jan 2014 22:10:44 +0000 (19:10 -0300)]
upstream: [media] mceusb: improve error logging
A number of recent bug reports involve usb_submit_urb() failing which was
only reported with debug parameter on. In addition, remove custom debug
function.
[m.chehab@samsung.com: patch rebased, as one of the patches on this
series need changes]
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Sean Young [Mon, 20 Jan 2014 22:10:39 +0000 (19:10 -0300)]
upstream: [media] iguanair: simplify tx loop
Make the code simpler.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Sean Young [Mon, 20 Jan 2014 22:10:38 +0000 (19:10 -0300)]
upstream: [media] iguanair: explain tx carrier setup
Just comments. No functional changes.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Frank Schaefer [Sun, 19 Jan 2014 21:48:35 +0000 (18:48 -0300)]
upstream: [media] em28xx-i2c: fix the error code for unknown errors
Commit
e63b009d6e "em28xx-i2c: Fix error code for I2C error transfers"
changed the code to return -ETIMEDOUT on all unknown errors.
But the proper error code for unknown errors is -EIO.
So only report -ETIMEDOUT in case of the errors 0x02 and 0x04, which
are according to Mauro Carvalho Chehab's tests related to i2c clock
stretching and return -EIO for the rest.
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Frank Schaefer [Sun, 19 Jan 2014 21:48:34 +0000 (18:48 -0300)]
upstream: [media] em28xx-i2c: fix the i2c error description strings for -ENXIO
Commit
d845fb3ae5 "em28xx-i2c: add timeout debug information if i2c_debug enabled"
has added wrong error descriptions for -ENXIO.
The strings are also missing terminating newline characters, which breaks the
output format.
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Frank Schaefer [Fri, 17 Jan 2014 17:45:32 +0000 (14:45 -0300)]
upstream: [media] em28xx-v4l: do not call em28xx_init_camera() if the device has no sensor
This avoids the unnecessary temporary registration of a dummy V4L2 clock.
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Frank Schaefer [Fri, 17 Jan 2014 17:45:31 +0000 (14:45 -0300)]
upstream: [media] em28xx-camera: fix return value checks on sensor probing
Since commit
e63b009d6e the returned error code in case of not connected/responding
i2c clients is ENXIO isntead of ENODEV, which causes several error messages on
sensor probing.
Fix the i2c return value checks on sensor probing to silence these warnings.
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
James Hogan [Fri, 17 Jan 2014 13:58:48 +0000 (10:58 -0300)]
upstream: [media] media: rc: add raw decoder for Sharp protocol
Add a raw decoder for the Sharp protocol. It uses a pulse distance
modulation with a pulse of 320us and a bit period of 2ms for a logical 1
and 1ms for a logical 0. The first part of the message consists of a
5-bit address, an 8-bit command, and two other bits, followed by a 40ms
gap before the echo message which is an inverted version of the main
message except for the address bits.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: linux-media@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
James Hogan [Fri, 17 Jan 2014 13:58:47 +0000 (10:58 -0300)]
upstream: [media] media: rc: add Sharp infrared protocol
Add Sharp infrared protocol constants RC_TYPE_SHARP and RC_BIT_SHARP.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
James Hogan [Thu, 16 Jan 2014 22:56:22 +0000 (19:56 -0300)]
upstream: [media] media: rc: only turn on LED if keypress generated
Since v3.12, specifically
153a60bb0fac ([media] rc: add feedback led
trigger for rc keypresses), an LED trigger is activated on IR keydown
whether or not a keypress is generated (i.e. even if there's no matching
keycode). However the repeat and keyup logic isn't used unless there is
a keypress, which results in non-keypress keydown events turning on the
LED and not turning it off again.
On the assumption that the intent was for the LED only to light up on
valid key presses (you probably don't want it lighting up for the wrong
remote control for example), move the led_trigger_event() call inside
the keycode check.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Georgi Chorbadzhiyski [Thu, 16 Jan 2014 15:07:11 +0000 (12:07 -0300)]
upstream: [media] FE_READ_SNR and FE_READ_SIGNAL_STRENGTH docs
Around 01/14/2014 06:07 PM, Mauro Carvalho Chehab scribbled:
> Em Tue, 14 Jan 2014 17:55:19 +0200
> Georgi Chorbadzhiyski <gf@unixsol.org> escreveu:
>> Around 01/14/2014 05:30 PM, Mauro Carvalho Chehab scribbled:
>>> Em Tue, 14 Jan 2014 17:16:10 +0200
>>> Georgi Chorbadzhiyski <gf@unixsol.org> escreveu:
>>>
>>>> Hi guys, I'm confused the documentation on:
>>>>
>>>> http://linuxtv.org/downloads/v4l-dvb-apis/frontend_fcalls.html#FE_READ_SNR
>>>> http://linuxtv.org/downloads/v4l-dvb-apis/frontend_fcalls.html#FE_READ_SIGNAL_STRENGTH
>>>>
>>>> states that these ioctls return int16_t values but frontend.h states:
>>>>
>>>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/dvb/frontend.h
>>>>
>>>> #define FE_READ_SIGNAL_STRENGTH _IOR('o', 71, __u16)
>>>> #define FE_READ_SNR _IOR('o', 72, __u16)
>>>>
>>>> So which one is true?
>>>
>>> Documentation is wrong. The returned values are unsigned. Would you mind send
>>> us a patch fixing it?
>>
>> I would be happy to, but I can't find the repo that holds the documentation.
>
> It is in the Kernel tree, under Documentation/DocBook/media/dvb.
The attached file contains the discussed documentation fixes.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Hans Verkuil [Tue, 7 Jan 2014 13:01:27 +0000 (10:01 -0300)]
upstream: [media] DocBook media: drop the old incorrect packed RGB table
The old table is most definitely wrong. All applications and all
drivers that I have ever tested follow the corrected table. Furthermore,
that's what all applications expect as well. Any drivers that do not
follow the corrected table are broken and should be fixed.
This patch drops the old table and replaces it with the corrected
table. This should prevent a lot of confusion.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Hans Verkuil [Tue, 7 Jan 2014 12:39:57 +0000 (09:39 -0300)]
upstream: [media] DocBook media: update three sections of common.xml
Updates for the "Tuners and Modulators", "Video Standards" and
"Digital Video (DV) Timings" sections.
Besides lots of trivial little fixes the main changes are:
- Remove two footnotes from "Video Standards": the first is a discussion
of alternative methods of setting standards, which is pretty pointless
since the standards API is effectively frozen anyway, and the second
points to 'rationale' that makes little or no sense to me.
- Clarify a few things in the "Digital Video (DV) Timings" section.
It was awkwardly formatted as well: there used to be a list with
multiple bullets that has been reduced to a single item, so drop the
list and rewrite that text.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Hans Verkuil [Tue, 7 Jan 2014 11:17:35 +0000 (08:17 -0300)]
upstream: [media] DocBook media: Cleanup some sections at common.xml
Updates sections "Querying Capabilities", "Application Priority",
"Video Inputs and Outputs" and "Audio Inputs and Outputs".
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Hans Verkuil [Tue, 7 Jan 2014 09:46:37 +0000 (06:46 -0300)]
upstream: [media] DocBook media: update copyright years and Introduction
It's now 2014, so update those copyright years. Also fix a typo in the introduction
and mention that this document also covers output, codec and remote control
devices.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Hans Verkuil [Fri, 31 Jan 2014 13:32:15 +0000 (10:32 -0300)]
upstream: [media] v4l2-dv-timings.h: add new 4K DMT resolutions
VESA added two new DMT timings in their latest standard document. Add these
to v4l2-dv-timings.h.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
sensoray-dev [Wed, 29 Jan 2014 18:24:07 +0000 (15:24 -0300)]
upstream: [media] s2255drv: checkpatch fix: coding style fix
Fixes all style warnings from scripts/checkpatch -f
Signed-off-by: Dean Anderson <linux-dev@sensoray.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Sachin Kamat [Mon, 27 Jan 2014 11:56:02 +0000 (08:56 -0300)]
upstream: [media] radio-keene: Use module_usb_driver
module_usb_driver eliminates the boilerplate and makes the code simpler.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Hans Verkuil [Mon, 20 Jan 2014 09:27:09 +0000 (06:27 -0300)]
upstream: [media] s3c-camif: Remove use of deprecated V4L2_CTRL_FLAG_DISABLED
I came across this while checking the kernel use of V4L2_CTRL_FLAG_DISABLED.
This flag should not be used with the control framework. Instead, just don't
add the control at all.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Masanari Iida [Fri, 17 Jan 2014 16:38:00 +0000 (13:38 -0300)]
upstream: [media] hdpvr: Fix memory leak in debug
cppcheck reported memory leak in device_authorizatio()
within hdpvr-core.c.
When the debug option is specified and the code jump to
"unlock:" label, print_buf was not freed.
Confirm the module succesfully compiled without error.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Dave Jones [Thu, 30 Jan 2014 03:11:33 +0000 (00:11 -0300)]
upstream: [media] mxl111sf: Fix unintentional garbage stack read
mxl111sf_read_reg takes an address of a variable to write to as an argument.
drivers/media/usb/dvb-usb-v2/mxl111sf-gpio.c:mxl111sf_config_pin_mux_modes
passes several uninitialized stack variables to this routine, expecting
them to be filled in. In the event that something unexpected happens when
reading from the chip, we end up doing a pr_debug of the value passed in,
revealing whatever garbage happened to be on the stack.
Change the pr_debug to match what happens in the 'success' case, where we
assign buf[1] to *data.
Spotted with Coverity (Bugs 731910 through 731917)
Signed-off-by: Dave Jones <davej@fedoraproject.org>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Andi Shyti [Thu, 30 Jan 2014 03:06:41 +0000 (00:06 -0300)]
upstream: [media] cx24117: use a valid dev pointer for dev_err printout
Don't use '&state->priv->i2c->dev' reference to device because
state is still 'NULL'. Use '&i2c->dev' instead.
This bug has been reported by scan.coverity.com
Signed-off-by: Andi Shyti <andi@etezian.org>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Cc: vger@stable.kernel.org
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Andi Shyti [Thu, 30 Jan 2014 03:05:01 +0000 (00:05 -0300)]
upstream: [media] cx24117: remove dead code in always 'false' if statement
At this point of the execution in the function cx24117_attach()
demod cannot be '0'. In that case the function returns earlier
with an error value ('NULL'). Remove the if statement.
This error has been reported by scan.coverity.com
Signed-off-by: Andi Shyti <andi@etezian.org>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Michael Krufky [Thu, 30 Jan 2014 02:10:11 +0000 (23:10 -0300)]
upstream: [media] update Michael Krufky's email address
I am no longer available at the kernellabs.com or m1k.net email
addresses. Update each instance of my email to my linuxtv.org
account.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Ricardo Ribalda [Wed, 8 Jan 2014 08:01:33 +0000 (05:01 -0300)]
upstream: [media] vb2: Check if there are buffers before streamon
This patch adds a test preventing streamon() if there is no buffer
ready.
Without this patch, a user could call streamon() before
preparing any buffer. This leads to a situation where if he calls
close() before calling streamoff() the device is kept streaming.
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Reviewed-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Hans Verkuil [Fri, 3 Jan 2014 11:10:49 +0000 (08:10 -0300)]
upstream: [media] Revert "[media] videobuf_vm_{open,close} race fixes"
This reverts commit
a242f426108c284049a69710f871cc9f11b13e61.
That commit actually caused deadlocks, rather then fixing them.
If ext_lock is set to NULL (otherwise videobuf_queue_lock doesn't do
anything), then you get this deadlock:
The driver's mmap function calls videobuf_mmap_mapper which calls
videobuf_queue_lock on q. videobuf_mmap_mapper calls __videobuf_mmap_mapper,
__videobuf_mmap_mapper calls videobuf_vm_open and videobuf_vm_open
calls videobuf_queue_lock on q (introduced by above patch): deadlocked.
This affects drivers using dma-contig and dma-vmalloc. Only dma-sg is
not affected since it doesn't call videobuf_vm_open from __videobuf_mmap_mapper.
Most drivers these days have a non-NULL ext_lock. Those that still use
NULL there are all fairly obscure drivers, which is why this hasn't been
seen earlier.
Since everything worked perfectly fine for many years I prefer to just
revert this patch rather than trying to fix it. videobuf is quite fragile
and I rather not touch it too much. Work is (slowly) progressing to move
everything over to vb2 or at the very least use non-NULL ext_lock in
videobuf.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: <stable@vger.kernel.org> # for v3.11 and up
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Reported-by: Pete Eberlein <pete@sensoray.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Alexey Khoroshilov [Fri, 20 Dec 2013 19:17:32 +0000 (16:17 -0300)]
upstream: [media] go7007-loader: fix usb_dev leak
There is usb_get_dev() in go7007_loader_probe(),
but there is no usb_put_dev() anywhere.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Marek Szyprowski [Tue, 3 Dec 2013 13:14:29 +0000 (10:14 -0300)]
upstream: [media] media: v4l2-dev: fix video device index assignment
The side effect of commit
1056e4388b045 ("v4l2-dev: Fix race condition on
__video_register_device") is the increased number of index value assigned
on video_device registration. Before that commit video_devices were
numbered from 0, after it, the indexes starts from 1, because get_index()
always count the device, which is being registered. Some device drivers
rely on video_device index number for internal purposes, i.e. s5p-mfc
driver stopped working after that patch. This patch restores the old method
of numbering the video_device indexes.
Cc: stable@vger.kernel.org # for v3.12
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Ricardo Ribalda <ricardo.ribalda@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Monam Agarwal [Tue, 14 Jan 2014 14:27:08 +0000 (11:27 -0300)]
upstream: [media] Staging: media: Fix line length exceeding 80 characters in as102_drv.c
This patch fixes the following checkpatch.pl warning in as102/as102_drv.c
WARNING: line over 80 characters in the file
Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Monam Agarwal [Tue, 14 Jan 2014 12:02:42 +0000 (09:02 -0300)]
upstream: [media] Staging: media: Fix line length exceeding 80 characters in as102_fe.c
This patch fixes the following checkpatch.pl issues in
as102/as102_fe.c
WARNING: line over 80 characters
Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Monam Agarwal [Tue, 14 Jan 2014 12:01:14 +0000 (09:01 -0300)]
upstream: [media] Staging: media: Fix quoted string split across line in as102_fe.c
This patch fixes the following checkpatch.pl issues in
as102/as102_fe.c
WARNING: quoted string split across lines
Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Srinivas Kandagatla [Tue, 14 Jan 2014 11:04:21 +0000 (08:04 -0300)]
upstream: [media] media: st-rc: Add reset support
Some of the SOCs hold the IRB IP in softreset state by default.
For this IP to work driver needs to bring it out of softreset.
This patch adds support to reset the IP via reset framework.
Without this patch the driver can not work with SoCs which holds the IP
in softreset.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Jassi Brar [Sun, 12 Jan 2014 11:21:28 +0000 (08:21 -0300)]
upstream: [media] m2m-deinterlace: fix allocated struct type
'xt' points to a dma_interleaved_template and not a dma_async_tx_descriptor.
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Wei Yongjun [Wed, 15 Jan 2014 02:46:06 +0000 (23:46 -0300)]
upstream: [media] radio-usb-si4713: fix sparse non static symbol warnings
Fixes the following sparse warnings:
drivers/media/radio/si4713/radio-usb-si4713.c:226:31: warning:
symbol 'start_seq' was not declared. Should it be static?
drivers/media/radio/si4713/radio-usb-si4713.c:291:29: warning:
symbol 'command_table' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Wei Yongjun [Wed, 15 Jan 2014 05:52:12 +0000 (02:52 -0300)]
upstream: [media] em28xx-audio: remove needless check before usb_free_coherent()
usb_free_coherent() is safe with NULL addr and this check is
not required.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Tue, 14 Jan 2014 17:34:13 +0000 (14:34 -0300)]
upstream: [media] em28xx-audio: provide an error code when URB submit fails
Instead of just saying:
[ 1646.412419] em2882/3 #0: submit of audio urb failed
Print the reason why it failed, to help debugging and fixing it.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Frank Schaefer [Mon, 13 Jan 2014 22:02:07 +0000 (19:02 -0300)]
upstream: [media] em28xx: fix check for audio only usb interfaces when changing the usb alternate setting
Previously, we've been assuming that the video endpoints are always at usb
interface 0. Hence, if vendor audio endpoints are provided at a separate
interface, they were supposed to be at interface number > 0.
Instead of checking for (interface number > 0) to determine if an interface
is a pure audio interface, dev->is_audio_only should be checked.
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Frank Schaefer [Mon, 13 Jan 2014 22:02:06 +0000 (19:02 -0300)]
upstream: [media] em28xx: fix usb alternate setting for analog and digital video endpoints > 0
The current code assumes that the analog + digital video endpoints are always at
interface number 0 when changing the alternate setting.
This seems to work fine for most existing devices.
However, at least the SpeedLink VAD Laplace webcam has the video endpoint on
interface number 3 (which fortunately doesn't cause any trouble because ist uses
bulk transfers only).
We already consider the actual interface number for audio endpoints, so
rename the the audio_ifnum variable and use it for all device types.
Also get get rid of a pointless (ifnum < 0) in em28xx-audio.
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Mon, 13 Jan 2014 01:44:23 +0000 (22:44 -0300)]
upstream: [media] em28xx: Fix usb diconnect logic
Now that everything is extension, the usb disconnect logic should
be the same.
While here, fix the device name.
Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Tested-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Sun, 12 Jan 2014 22:22:07 +0000 (19:22 -0300)]
upstream: [media] em28xx: print a message at disconnect
That helps to identify if something fails and explain why em28xx
struct is not freed (if it ever happens).
Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Tested-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Sun, 12 Jan 2014 21:14:05 +0000 (18:14 -0300)]
upstream: [media] em28xx-audio: disconnect before freeing URBs
URBs might be in usage. Disconnect the device before freeing
them.
Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Tested-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Sun, 12 Jan 2014 20:20:31 +0000 (17:20 -0300)]
upstream: [media] em28xx-audio: simplify error handling
Cleanup the error handling code at em28xx-audio init.
Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Tested-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Sun, 12 Jan 2014 15:57:08 +0000 (12:57 -0300)]
upstream: [media] em28xx-audio: fix return code on device disconnect
Alsa has an special non-negative return code to indicate device removal
at snd_em28xx_capture_pointer(). Use it, instead of an error code.
Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Tested-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Frank Schaefer [Sun, 12 Jan 2014 16:24:21 +0000 (13:24 -0300)]
upstream: [media] em28xx: move v4l2_device_disconnect() call from the core to the v4l extension
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Frank Schaefer [Sun, 12 Jan 2014 16:24:20 +0000 (13:24 -0300)]
upstream: [media] em28xx: move usb transfer uninit on device disconnect from the core to the v4l-extension
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Frank Schaefer [Sun, 12 Jan 2014 16:24:19 +0000 (13:24 -0300)]
upstream: [media] em28xx: move usb buffer pre-allocation and transfer uninit from the core to the dvb extension
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Frank Schaefer [Sun, 12 Jan 2014 16:24:18 +0000 (13:24 -0300)]
upstream: [media] em28xx-v4l: fix device initialization in em28xx_v4l2_open() for radio and VBI mode
- bail out on unsupported VFL_TYPE
- em28xx_set_mode() needs to be called for VBI and radio mode, too
- em28xx_wake_i2c() needs to be called for VBI and radio mode, too
- em28xx_resolution_set() also needs to be called for VBI
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Mon, 13 Jan 2014 17:54:59 +0000 (15:54 -0200)]
upstream: [media] tea575x: Fix build with ARCH=c6x
In file included from /devel/v4l/temp/include/asm-generic/page.h:23:0,
from /devel/v4l/temp/arch/c6x/include/asm/page.h:9,
from /devel/v4l/temp/include/asm-generic/io.h:14,
from arch/c6x/include/generated/asm/io.h:1,
from /devel/v4l/temp/drivers/media/radio/tea575x.c:23:
/devel/v4l/temp/arch/c6x/include/asm/setup.h:17:27: error: unknown type name ‘phys_addr_t’
extern int c6x_add_memory(phys_addr_t start, unsigned long size);
It seems that, on such arch, the includes from asm/ should be
after the ones from linux/.
The proper fix would be to patch the arch files, but, as
this fix is trivial, apply it. Also, we generally put the
asm includes after the linux ones, anyway.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Mon, 13 Jan 2014 17:14:33 +0000 (15:14 -0200)]
upstream: [media] dib8000: Fix a few warnings when compiled for avr32
drivers/media/dvb-frontends/dib8000.c: In function 'dib8000_get_time_us':
drivers/media/dvb-frontends/dib8000.c:3957: warning: 'interleaving' may be used uninitialized in this function
drivers/media/dvb-frontends/dib8000.c:3956: warning: 'rate_denum' may be used uninitialized in this function
Those are actually false positives, but it doesn't hurt cleaning them.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Mon, 13 Jan 2014 17:05:44 +0000 (15:05 -0200)]
upstream: [media] dib8000: Properly represent long long integers
When compiling with avr32, it gets those errors:
drivers/media/dvb-frontends/dib8000.c: In function 'dib8000_get_stats':
drivers/media/dvb-frontends/dib8000.c:4121: warning: integer constant is too large for 'long' type
Fix integer representation to avoid overflow.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Mon, 13 Jan 2014 13:34:37 +0000 (11:34 -0200)]
upstream: [media] radio-usb-si4713: make si4713_register_i2c_adapter static
This function isn't used nowhere outside the same .c file.
Fixes this warning:
drivers/media/radio/si4713/radio-usb-si4713.c:418:5: warning: no previous prototype for 'si4713_register_i2c_adapter' [-Wmissing-prototypes]
int si4713_register_i2c_adapter(struct si4713_usb_device *radio)
^
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Mon, 13 Jan 2014 13:30:26 +0000 (11:30 -0200)]
upstream: [media] sh_vou: comment unused vars
Fix two warns below, by commenting the unused code:
drivers/media/platform/sh_vou.c: In function 'sh_vou_configure_geometry':
drivers/media/platform/sh_vou.c:446:49: warning: variable 'height_max' set but not used [-Wunused-but-set-variable]
unsigned int black_left, black_top, width_max, height_max,
^
drivers/media/platform/sh_vou.c: In function 'sh_vou_isr':
drivers/media/platform/sh_vou.c:1056:13: warning: variable 'side' set but not used [-Wunused-but-set-variable]
static int side;
^
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Gerhard Sittig [Sat, 30 Nov 2013 22:51:33 +0000 (23:51 +0100)]
upstream: fsl-viu: adjust for OF based clock lookup
after device tree based clock lookup became available, the VIU driver
need no longer use the previous global "viu_clk" name, but should use
the "ipg" clock name specific to the OF node
Cc: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: linux-media@vger.kernel.org
Signed-off-by: Gerhard Sittig <gsi@denx.de>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Mauro Carvalho Chehab [Sun, 12 Jan 2014 13:21:42 +0000 (10:21 -0300)]
upstream: [media] em28xx-audio: return -ENODEV when the device is disconnected
If em28xx is disconnected, return -ENODEV to all PCM callbacks.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Sun, 12 Jan 2014 13:10:34 +0000 (10:10 -0300)]
upstream: [media] em28xx-audio: split URB initialization code
The URB calculus code may eventually be moved to some other
place, like at pcm open, if it ends by needing more setups, like
working with different bit rates, or different audio latency.
So, move it into a separate routine. That also makes the code
more readable.
No functional changes.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Sun, 12 Jan 2014 12:22:29 +0000 (09:22 -0300)]
upstream: [media] em28xx-audio: don't wait for lock in non-block mode
Pulseaudio has the bad habit of stopping a streaming audio if
a device, opened in non-block mode, waits.
It is impossible to avoid em28xx to wait, as it will send commands
via I2C, and other I2C operations may be happening (firmware
transfers, Remote Controller polling, etc). Yet, as each em28xx
subdriver locks em28xx-dev to protect the access to the hardware,
it is possible to minimize the audio glitches by returning -EAGAIN
to pulseaudio, if the lock is already taken by another subdriver.
Reported-by: Antti Palosaari <crope@iki.fi>
Tested-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Fri, 10 Jan 2014 16:29:16 +0000 (13:29 -0300)]
upstream: [media] em28xx-audio: fix the period size in bytes
If the period size is wrong, userspace will assume a wrong delay
any may negociate an inadequate value.
The em28xx devices use 8 for URB interval, in microframes,
and the driver programs it to have 64 packets.
That means that the IRQ sampling period is 125 * 8 * 64,
with is equal to 64 ms.
So, that's the minimal latency with the current settings. It is
possible to program a lower latency, by using less than 64 packets,
but that increases the amount of bandwitdh used, and the number of
IRQ events per second.
In any case, in order to support it, the driver logic should be
changed to fill those parameters in realtime.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Fri, 10 Jan 2014 08:53:24 +0000 (05:53 -0300)]
upstream: [media] em28xx-audio: don't hardcode audio URB calculus
The current code hardcodes the number of audio URBs, the number
of packets per URB and the maximum URB size.
This is not a good idea, as it:
- wastes more bandwidth than necessary, by using a very
large number of packets;
- those constants are bound to an specific scenario, with
a bandwidth of 48 kHz;
- don't take the maximum endpoint size into account;
- with urb->interval = 1 on xHCI, those constraints cause a "funny"
setup: URBs with 64 packets inside, with only 24 bytes total. E. g.
a complete waste of space.
Change the code to do dynamic URB audio calculus and allocation.
For now, use the same constraints as used before this patch, to
avoid regressions.
A good scenario (tested) seems to use those defines, instead:
#define EM28XX_MAX_AUDIO_BUFS 8
#define EM28XX_MIN_AUDIO_PACKETS 2
But let's not do such change here, letting the optimization to
happen on latter patches, after more tests.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Fri, 10 Jan 2014 09:59:09 +0000 (06:59 -0300)]
upstream: [media] em28xx-audio: Fix error path
De-allocate memory and free sound if an error happens.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Fri, 10 Jan 2014 08:43:09 +0000 (05:43 -0300)]
upstream: [media] em28xx-audio: use bInterval on em28xx-audio
Just filling urb->interval with 1 is wrong, and causes a different
behaviour with xHCI.
With EHCI, the URB size is typically 192 bytes. However, as
xHCI specifies intervals in microframes, the URB size becomes
too short (24 bytes).
With this patch, the interval will be properly initialized, and
the device will behave the same if connected into a xHCI or an
EHCI device port.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Mon, 6 Jan 2014 12:17:53 +0000 (09:17 -0300)]
upstream: [media] em28xx-i2c: add timeout debug information if i2c_debug enabled
If i2c_debug is enabled, we splicitly want to know when a
device fails with timeout.
If i2c_debug==2, this is already provided, for each I2C transfer
that fails.
However, most of the time, we don't need to go that far. We just
want to know that I2C transfers fail.
So, add such errors for normal (ret == 0x10) I2C aborted timeouts.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Sat, 28 Dec 2013 11:23:30 +0000 (08:23 -0300)]
upstream: [media] em28xx-i2c: cleanup I2C debug messages
The I2C output messages is too polluted. Clean it a little
bit, by:
- use the proper core support for memory dumps;
- hide most stuff under the i2c_debug umbrella;
- add the missing KERN_CONT where needed;
- use 2 levels or verbosity. Only the second one
will show the I2C transfer data.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Sat, 4 Jan 2014 08:42:11 +0000 (05:42 -0300)]
upstream: [media] em28xx-i2c: Fix error code for I2C error transfers
Follow the error codes for I2C as described at Documentation/i2c/fault-codes.
In the case of the I2C status register (0x05), this is mapped into:
- ENXIO - when reg 05 returns 0x10
- ETIMEDOUT - when the device is not temporarily not responding
(e. g. reg 05 returning something not 0x10 or 0x00)
- EIO - for generic I/O errors that don't fit into the above.
In the specific case of 0-byte reads, used only during I2C device
probing, it keeps returning -ENODEV.
TODO: return EBUSY when reg 05 returns 0x20 on em2874 and upper.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Sat, 4 Jan 2014 08:42:11 +0000 (05:42 -0300)]
upstream: [media] em28xx: convert i2c wait completion logic to use jiffies
The I2C wait completion/timeout logic currently assumes that
msleep(5) will wait exaclty 5 ms. This is not true at all,
as it depends on CONFIG_HZ.
Convert it to use jiffies, in order to not wait for more time
than needed.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Fri, 27 Dec 2013 03:28:57 +0000 (00:28 -0300)]
upstream: [media] em28xx: properly implement AC97 wait code
Instead of assuming that msleep() is precise, use a jiffies
based code to wait for AC97 to be available.
Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Mon, 6 Jan 2014 09:52:43 +0000 (06:52 -0300)]
upstream: [media] tuner-xc2028: Don't read status if device is powered down
That removes those timeout errors:
[ 3675.930940] xc2028 19-0061: Device is Xceive 3028 version 1.0, firmware version 2.7
[ 3676.060487] xc2028 19-0061: divisor= 00 00 8d d0 (freq=567.250)
[ 3676.349449] xc2028 19-0061: Putting xc2028/3028 into poweroff mode.
[ 3698.247645] xc2028 19-0061: xc2028_get_reg 0002 called
[ 3698.253276] em2860 #0: I2C transfer timeout on writing to addr 0xc2
[ 3698.253301] xc2028 19-0061: i2c input error: rc = -121 (should be 2)
[ 3698.253327] xc2028 19-0061: xc2028_signal called
[ 3698.253339] xc2028 19-0061: xc2028_get_reg 0002 called
[ 3698.259283] em2860 #0: I2C transfer timeout on writing to addr 0xc2
[ 3698.259312] xc2028 19-0061: i2c input error: rc = -121 (should be 2)
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Mon, 6 Jan 2014 09:39:51 +0000 (06:39 -0300)]
upstream: [media] tuner-xc2028: Don't try to sleep twice
Only send a power down command for the device if it is not already
in power down state. That prevents a timeout when trying to talk
with the device.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Sun, 29 Dec 2013 00:16:26 +0000 (21:16 -0300)]
upstream: [media] em28xx-audio: allocate URBs at device driver init
Instead of allocating/deallocating URBs and transfer buffers
every time stream is started/stopped, just do it once.
That reduces the memory allocation pressure and makes the
code that start/stop streaming a way simpler.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Mauro Carvalho Chehab [Sat, 28 Dec 2013 14:47:16 +0000 (11:47 -0300)]
upstream: [media] em28xx: use usb_alloc_coherent() for audio
Instead of allocating transfer buffers with kmalloc() use
usb_alloc_coherent().
This patch should make it work also with ARM CPUs.
Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Links (Markus) [Sat, 4 Jan 2014 22:44:34 +0000 (19:44 -0300)]
upstream: [media] cx231xx: add support for a CX23103 Video Grabber USB
Add a new USB ID to the driver.
Signed-off-by: Links (Markus) <help.markus+git@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Laurent Pinchart [Wed, 1 Jan 2014 12:10:48 +0000 (09:10 -0300)]
upstream: [media] vb2: Fix comment in __qbuf_dmabuf
The comment incorrectly explains that the code verifies information
provided by userspace, while verification has been performed earlier in
reality. Fix it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Malcolm Priestley [Sat, 28 Dec 2013 17:04:51 +0000 (14:04 -0300)]
upstream: [media] m88rs2000: Correct m88rs2000_get_fec
Value of fec is achieved by the upper nibble bits 6,7 & 8.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Malcolm Priestley [Sat, 28 Dec 2013 17:02:44 +0000 (14:02 -0300)]
upstream: [media] m88rs2000: Correct m88rs2000_set_fec settings
Register 0x70 is used to set fec, register 0x76 is used to get fec
Register 0x76 is set to 0x8.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Malcolm Priestley [Sat, 28 Dec 2013 17:00:40 +0000 (14:00 -0300)]
upstream: [media] m88rs2000: correct read status lock value
The correct lock values is when bits of the value 0xee are set.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Julia Lawall [Sun, 29 Dec 2013 22:47:35 +0000 (19:47 -0300)]
upstream: [media] e4000: fix error return code
Set the return variable to an error code as done elsewhere in the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Julia Lawall [Sun, 29 Dec 2013 22:47:18 +0000 (19:47 -0300)]
upstream: [media] ec168: fix error return code
The rest of the function uses ret to store the return value, even setting
ret to i a few lines before this, so return ret instead of i.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Alexey Khoroshilov [Fri, 27 Dec 2013 21:18:39 +0000 (18:18 -0300)]
upstream: [media] as102: fix leaks at failure paths in as102_usb_probe()
Failure handling is incomplete in as102_usb_probe().
The patch implements proper resource deallocations.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Matthias Schwarzott [Mon, 23 Dec 2013 11:12:21 +0000 (08:12 -0300)]
upstream: [media] cx231xx: Add missing KERN_CONT to i2c debug prints
Fix continuation lines.
[m.chehab@samsung.com: This was actually part of a v2 patch meant to
fix i2c debug prints. As version 1 was already applied, I'm applying
here the diff and fixing the patch subject/description]
Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Laurent Pinchart [Mon, 9 Dec 2013 14:13:13 +0000 (11:13 -0300)]
upstream: [media] omap3isp: ccdc: Don't hang when the SBL fails to become idle
Under abnormal conditions (such as glitches on the HSYNC/VSYNC signals)
the CCDC output SBL can fail to become idle. The driver currently logs
this condition to the kernel log and doesn't restart the CCDC. This
results in CCDC video capture hanging without any notification to
userspace.
Cancel the pipeline and mark the CCDC as crashed instead of hanging.
Userspace will be notified of the problem and will then be able to close
and reopen the device to trigger a reset of the ISP.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>