upstream: au0828: add an option to disable IR via modprobe parm

The IR code increases the power consumption of the device.
Allow to disable it via modprobe parameter.

Backports http://git.linuxtv.org/cgit.cgi/media_tree.git/commit/?id=ca97cf053296
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Change-Id: I4a791fd762b77947c04cbac52d7b74b67749efdb

diff --git a/drivers/media/usb/au0828/au0828-input.c b/drivers/media/usb/au0828/au0828-input.c
index 2d52a80..b4374de 100644 (file)
--- a/drivers/media/usb/au0828/au0828-input.c
+++ b/drivers/media/usb/au0828/au0828-input.c
@@ -25,6 +25,10 @@
 #include <linux/slab.h>
 #include <media/rc-core.h>
 
+static int disable_ir;
+module_param(disable_ir,        int, 0444);
+MODULE_PARM_DESC(disable_ir, "disable infrared remote support");
+
 #include "au0828.h"
 
 struct au0828_rc {
@@ -271,7 +275,7 @@ int au0828_rc_register(struct au0828_dev *dev)
        int err = -ENOMEM;
        u16 i2c_rc_dev_addr = 0;
 
-       if (!dev->board.has_ir_i2c)
+       if (!dev->board.has_ir_i2c || disable_ir)
                return 0;
 
        i2c_rc_dev_addr = au0828_probe_i2c_ir(dev);