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path: root/drivers/media
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2017-04-17[media] em28xx: Add new USB ID eb1a:5051Alexandre-Xavier Labonté-Lamoureux1-0/+2
Add new usbid eb1a:5051 for the Ion Video 2 PC MKII, Startech svid2usb23 and Raygo R12-41373. Signed-off-by: Alexandre-Xavier Labonté-Lamoureux <alexandrexavier@live.ca> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-17[media] tm6000: Fix resource freeing in 'tm6000_prepare_isoc()'Christophe JAILLET1-1/+1
'usb_free_urb(urb)' is a no-op, because urb is known to be NULL. It is likelly that releasing resources allocated by 'tm6000_alloc_urb_buffers()' just a few lines above is expected here. This has been spotted by the following coccinelle script: @@ expression ret, x, e; identifier f; @@ * if (x == NULL) { ... when != x = e; ( * f(<+...x...+>); | * ret = f(<+...x...+>); ) ... } Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-17[media] tc358743: Add OF device ID tableJavier Martinez Canillas1-0/+9
The driver doesn't have a struct of_device_id table but supported devices are registered via Device Trees. This is working on the assumption that a I2C device registered via OF will always match a legacy I2C device ID and that the MODALIAS reported will always be of the form i2c:<device>. But this could change in the future so the correct approach is to have an OF device ID table if the devices are registered via OF. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-17[media] media: pci: saa7164: remove dead codeGustavo A. R. Silva1-2/+0
Remove dead code. The following line of code is never reached: return SAA_OK; Addresses-Coverity-ID: 114283 Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> Reviewed-by: Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-17[media] media: pci: saa7164: remove unnecessary codeGustavo A. R. Silva1-2/+1
Remove unnecessary variable 'loop'. Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> Reviewed-by: Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-17[media] et8ek8: Export OF device ID as module aliasesJavier Martinez Canillas1-0/+1
The I2C core always reports a MODALIAS of the form i2c:<foo> even if the device was registered via OF, this means that exporting the OF device ID table device aliases in the module is not needed. But in order to change how the core reports modaliases to user-space, it's better to export it. Before this patch: $ modinfo drivers/media/i2c/et8ek8/et8ek8.ko | grep alias alias: i2c:et8ek8 After this patch: $ modinfo drivers/media/i2c/et8ek8/et8ek8.ko | grep alias alias: i2c:et8ek8 alias: of:N*T*Ctoshiba,et8ek8C* alias: of:N*T*Ctoshiba,et8ek8 Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-17[media] media: pci: constify stv0299_config structuresBhumika Goyal4-8/+8
Declare stv0299_config structures as const as they are only passed as an argument to the function dvb_attach. dvb_attach calls its first argument on the rest of its arguments. The first argument of dvb_attach in the changed cases is stv0299_attach and the parameter of this function to which the object references are passed is of type const. So, stv0299_config structures having this property can be made const. First line shows the file size before patching and second one shows size after patching. text data bss dec hex filename 9572 926 40 10538 292a media/pci/dm1105/dm1105.o 9636 862 40 10538 292a media/pci/dm1105/dm1105.o 15133 5408 0 20541 503d media/pci/ttpci/budget-av.o 15389 5152 0 20541 503d media/pci/ttpci/budget-av.o 15703 2326 36 18065 4691 media/pci/ttpci/budget-ci.o 15767 2262 36 18065 4691 media/pci/ttpci/budget-ci.o 10555 1918 4 12477 30bd drivers/media/pci/ttpci/budget.o 10683 1822 4 12509 30dd drivers/media/pci/ttpci/budget.o Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-17[media] pci: mantis: constify mb86a16_config structureBhumika Goyal1-1/+1
Declare mb86a16_config structure as const as it is either passed as an argument to the function dvb_attach or is dereferenced. dvb_attach calls its first argument on the rest of its arguments. The first argument of dvb_attach in the changed case is mb86a16_attach and the parameter of this function to which the object reference is passed is of type const. So, mb86a16_config structures having this property can be made const. Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-17[media] cx88: constify mb86a16_config structureBhumika Goyal1-1/+1
Declare mb86a16_config structure as const as it is only passed as an argument to the function dvb_attach. dvb_attach calls its first argument on the rest of its arguments. The first argument of dvb_attach in the changed case is mb86a16_attach and the parameter of this function to which the object reference is passed is of type const. So, mb86a16_config structures having this property can be made const. Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-17[media] saa7134: constify nxt200x_config structuresBhumika Goyal1-2/+2
Declare nxt200x_config structures as const as they are only passed as an argument to the function dvb_attach. dvb_attach calls its first argument on the rest of its arguments. The first argument of dvb_attach in the changed cases is nxt200x_attach and the parameter of this function to which the object references are passed is of type const. So, nxt200x_config structures having this property can be made const. File size before: text data bss dec hex filename 21320 3776 16 25112 6218 saa7134/saa7134-dvb.o File size after: text data bss dec hex filename 21384 3744 16 25144 6238 saa7134/saa7134-dvb.o Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-17[media] b2c2: constify nxt200x_config structureBhumika Goyal1-1/+1
Declare nxt200x_config structure as const as it is only passed as an argument to the function dvb_attach. dvb_attach calls its first argument on the rest of its arguments. The first argument of dvb_attach in the changed case is nxt200x_attach and the parameter of this function to which the object reference is passed is of type const. So, nxt200x_config structures having this property can be made const. File size before: text data bss dec hex filename 7566 568 0 8134 1fc6 common/b2c2/flexcop-fe-tuner.o File size after: text data bss dec hex filename 7582 536 0 8118 1fb6 common/b2c2/flexcop-fe-tuner.o Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-17[media] dvb-usb-dibusb-mc-common: Add MODULE_LICENSEBen Hutchings1-0/+2
dvb-usb-dibusb-mc-common is licensed under GPLv2, and if we don't say so then it won't even load since it needs a GPL-only symbol. Fixes: e91455a1495a ("[media] dvb-usb: split out common parts of dibusb") Reported-by: Dominique Dumont <dod@debian.org> Cc: stable@vger.kernel.org # 4.9+ Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-17[media] drivers/media: Convert remaining use of pr_warning to pr_warnJoe Perches1-2/+2
To enable eventual removal of pr_warning This makes pr_warn use consistent for drivers/media Prior to this patch, there was 1 use of pr_warning and 310 uses of pr_warn in drivers/media Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] vimc: Virtual Media Controller core, capture and sensorHelen Koike10-0/+1657
First version of the Virtual Media Controller. Add a simple version of the core of the driver, the capture and sensor nodes in the topology, generating a grey image in a hardcoded format. Signed-off-by: Helen Koike <helen.koike@collabora.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> [hans.verkuil@cisco.com: fix small typo in Kconfig] Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] media: i2c: Add support for OV5647 sensorRamiro Oliveira3-0/+646
The OV5647 sensor from Omnivision supports up to 2592x1944 @ 15 fps, RAW 8 and RAW 10 output formats, and MIPI CSI-2 interface. The driver adds support for 640x480 RAW 8. Signed-off-by: Ramiro Oliveira <roliveir@synopsys.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Reviewed-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] media: Add a driver for the ov5645 camera sensorTodor Tomov3-0/+1358
The ov5645 sensor from Omnivision supports up to 2592x1944 and CSI2 interface. The driver adds support for the following modes: - 1280x960 - 1920x1080 - 2592x1944 Output format is packed 8bit UYVY. Signed-off-by: Todor Tomov <todor.tomov@linaro.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hansverk@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] vsp1: set V4L2_CTRL_FLAG_MODIFY_LAYOUT for histogram controlsHans Verkuil1-0/+2
The two histogram controls will modify the layout of the metadata, so this flag should be set. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] v4l2-ctrls.c: set V4L2_CTRL_FLAG_MODIFY_LAYOUT for ROTATEHans Verkuil1-0/+4
The rotate control will modify the layout by definition. Always set this flag. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] v4l: vsp1: Add HGT supportNiklas Söderlund10-5/+343
The HGT is a Histogram Generator Two-Dimensions. It computes a weighted frequency histograms for hue and saturation areas over a configurable region of the image with optional subsampling. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] v4l: Define a pixel format for the R-Car VSP1 2-D histogram engineNiklas Söderlund1-0/+1
The format is used on the R-Car VSP1 video queues that carry 2-D histogram statistics data. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] v4l: vsp1: Add HGO supportLaurent Pinchart10-13/+367
The HGO is a Histogram Generator One-Dimension. It computes per-channel histograms over a configurable region of the image with optional subsampling. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] v4l: Define a pixel format for the R-Car VSP1 1-D histogram engineLaurent Pinchart1-0/+1
The format is used on the R-Car VSP1 video queues that carry 1-D histogram statistics data. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] v4l: vsp1: Fix HGO and HGT routing register addressesLaurent Pinchart1-2/+2
The addresses are incorrect, fix them. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] v4l: vsp1: Support histogram generators in pipeline configurationLaurent Pinchart6-28/+134
Histogram generators are single-pad entities that branch as leaf nodes at any point in the pipeline. Make sure that pipeline traversal and routing configuration support them correctly. Support for the actual HGO and HGT operation will come later. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] v4l: vsp1: Add histogram supportLaurent Pinchart4-0/+732
The histogram common code will be used to implement support for both the HGO and HGT histogram computation engines. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] v4l: Add metadata buffer type and formatLaurent Pinchart4-6/+66
The metadata buffer type is used to transfer metadata between userspace and kernelspace through a V4L2 buffers queue. It comes with a new metadata capture capability and format description. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Tested-by: Guennadi Liakhovetski <guennadi.liakhovetski@intel.com> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> [hans.verkuil@cisco.com: removed left-over 'experimental' note] [hans.verkuil@cisco.com: add newline after _v4l2-meta-format label] Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] v4l: vsp1: wpf: Implement rotation supportLaurent Pinchart5-54/+177
Some WPF instances, on Gen3 devices, can perform 90° rotation when writing frames to memory. Implement support for this using the V4L2_CID_ROTATE control. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] ov2640: avoid calling ov2640_select_win() twiceHans Verkuil1-11/+7
Simplify ov2640_set_params and ov2640_set_fmt. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] ov9740: avoid calling ov9740_res_roundup() twiceHans Verkuil1-17/+1
Simplify ov9740_s_fmt. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Reported-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] ov9640: avoid calling ov9640_res_roundup() twiceHans Verkuil1-21/+3
Simplify ov9640_s_fmt and ov9640_set_fmt Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] ov772x: avoid calling ov772x_select_params() twiceHans Verkuil1-28/+13
Merge ov772x_s_fmt into ov772x_set_fmt. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] ov5642: avoid calling ov5642_find_datafmt() twiceHans Verkuil1-1/+1
Simplify ov5642_set_fmt(). Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Reported-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] mt9v022: avoid calling mt9v022_find_datafmt() twiceHans Verkuil1-4/+4
Simplify mt9v022_s_fmt and mt9v022_set_fmt. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] mt9m001: avoid calling mt9m001_find_datafmt() twiceHans Verkuil1-4/+4
Simplify mt9m001_s_fmt and mt9m001_set_fmt. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] imx074: avoid calling imx074_find_datafmt() twiceHans Verkuil1-1/+1
Simplify imx074_set_fmt(). Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Reported-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] si2157: Add support for Si2141-A10Stefan Brüns2-2/+23
The Si2141 needs two distinct commands for powerup/reset, otherwise it will not respond to chip revision requests. It also needs a firmware to run properly. Cc: Evgeny Plehov <EvgenyPlehov@ukr.net> Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de> Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-14[media] si2157: revert si2157: Si2141/2151 tuner supportAntti Palosaari2-66/+6
'Reset' loop does not look correct. I tested it very many times and it never repeated those commands. If problem, it tries to solve, really occurs on some situations better solution should be find out. There is another patch which does not have such hackish looking loop. Lets change to it. Cc: Evgeny Plehov <EvgenyPlehov@ukr.net> Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-10[media] v4l2-tpg: don't clamp XV601/709 to lim rangeHans Verkuil1-1/+8
The XV601/709 encodings are special: they signal limited range, but use the full range to encode a larger gamut with R', G' and B' values outside the [0-1] range. So don't clamp to limited range for these two encodings. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-10[media] imon: use setup_timerGeliang Tang1-3/+2
Use setup_timer() instead of init_timer() to simplify the code. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-10[media] wl128x: use setup_timerGeliang Tang1-3/+2
Use setup_timer() instead of init_timer() to simplify the code. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-10[media] c8sectpfe: use setup_timerGeliang Tang1-3/+2
Use setup_timer() instead of init_timer() to simplify the code. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-10[media] fsl-viu: use setup_timerGeliang Tang1-3/+2
Use setup_timer() instead of init_timer() to simplify the code. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-10[media] av7110: use setup_timerGeliang Tang1-3/+2
Use setup_timer() instead of init_timer() to simplify the code. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-10[media] netup_unidvb: use setup_timerGeliang Tang1-3/+2
Use setup_timer() instead of init_timer() to simplify the code. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-10[media] ivtv: use setup_timerGeliang Tang1-3/+2
Use setup_timer() instead of init_timer() to simplify the code. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-10[media] cx18: use setup_timerGeliang Tang1-3/+1
Use setup_timer() instead of init_timer() to simplify the code. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-10[media] bt8xx: use setup_timerGeliang Tang1-3/+1
Use setup_timer() instead of init_timer() to simplify the code. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-10[media] saa7146: use setup_timerGeliang Tang2-6/+4
Use setup_timer() instead of init_timer() to simplify the code. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-10[media] saa7134: use setup_timerGeliang Tang3-9/+6
Use setup_timer() instead of init_timer() to simplify the code. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-04-10[media] m2m-deinterlace: don't return zero on failure paths in ↵Alexey Khoroshilov1-0/+1
deinterlace_probe() If DMA does not support INTERLEAVE, deinterlace_probe() breaks off initialization, releases dma channel, but returns zero. 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 <mchehab@s-opensource.com>