drivers/media/dvb-frontends/dib8000.c: In function ‘dib8000_set_frontend’:
drivers/media/dvb-frontends/dib8000.c:3556: warning: ‘ret’ is used uninitialized in this function
Remove the variable and return zero instead.
Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: NMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Maintaining the users count using an atomic variable makes sure that
access to the counter won't be racy, but doesn't serialize access to the
operations protected by the counter. This creates a race condition that
could result in the status URB being submitted multiple times.
Use a mutex to protect the users count and serialize access to the
status start and stop operations.
Reported-by: NShawn Nematbakhsh <shawnn@chromium.org>
Signed-off-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

BugLink: http://bugs.launchpad.net/bugs/1180409
OminiVision webcam 0x05a9:0x2643 needs the same UVC_QUIRK_PROBE_DEF
as other OmniVision models to work properly.
Signed-off-by: NJoseph Salisbury <joseph.salisbury@canonical.com>
Signed-off-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

BugLink: https://bugs.launchpad.net/bugs/1168430
OminiVision webcam 0x05a9:0x264a (in Dell Studio Hybrid 140g) needs the
same UVC_QUIRK_PROBE_DEF as other OmniVision model to be recognized
consistently.
Signed-off-by: NKamal Mostafa <kamal@canonical.com>
Signed-off-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

If we just declare the job finished here while the CODA is still
running, the call to v4l2_m2m_ctx_release in coda_release, which
is supposed to wait for a running job to finish, will return
immediately and free memory that the CODA is still using.
Just set the 'aborting' flag and let coda_irq_handler deal with it.
Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NKamil Debski <k.debski@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Not only do we need to wait for job completion when we want to
call a command on the CODA in start/stop_streaming, we also need
to make sure that a new job doesn't start before the command
finished.
Use a mutex to lock the coda command handling. On timeout, the
device_run job must be marked as finished and the mutex released,
as otherwise coda_release will block.
Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NKamil Debski <k.debski@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

In preparation for CODA7541 and CODA960 multi-stream support and for
replacement of the completion with a mutex lock, consolidate the
header encoding in a helper function.
Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NKamil Debski <k.debski@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch adds a list of supported codecs per device type which is used to
determine the allowed pixel formats and maximum frame sizes depending on the
possible codecs. It allows frame sizes larger than 720 x 576 on CODA7 and adds
support for the YVU420 (planar YUV 4:2:0 with switched Cb and Cr) format.
Other uncompressed formats that could be added in the future are the chroma
interleaved NV12 and NV21 formats and the multiplanar variants YUV420M,
YVU420M, NV12M, and NV21M.
Further, rawstreamon is renamed to streamon_out and compstreamon is renamed
to streamon_cap in preparation for decoding support. The maximum encoded
frame buffer size is increased to 1 MiB.
Instead of tracking inst_type and codec across S_FMT calls, set the codec
and inst_type in start_streaming.
Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NKamil Debski <k.debski@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NKamil Debski <k.debski@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NKamil Debski <k.debski@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The application must have filled the bytesused field,
don't overwrite it here.
Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NKamil Debski <k.debski@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NKamil Debski <k.debski@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

GAMMA_OFFSET is different between CodaDx6 and CODA7.
Also, this is a bitfield.
Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NKamil Debski <k.debski@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch removes check for EPERM in dbg_g/s_register and
vidioc_g/s_register as this check is already performed by core.
Signed-off-by: NLad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch removes check for EPERM in vidioc_g/s_register
as this check is already performed by core.
Signed-off-by: NLad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch removes check for EPERM in dbg_g/s_register
as this check is already performed by core.
Signed-off-by: NLad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch removes check for EPERM in dbg_g/s_register of subdevice
drivers as this check is already performed by core.
Signed-off-by: NLad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The timeout delayed work might be scheduled even after the v4l2 device is
released.
Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Use ret from the outer scope, instead of redefining it in the
conditional clause. That way the error value reaches the end of
the function as intended.
Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Otherwise module/coda/parameters/coda_debug won't show up in sysfs.
Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: NPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Commit 0998d063 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Commit 0998d063 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

bw-qcam didn't set the timestamp and it didn't set q->timestamp_type.
Tested-by: NBorislav Petkov <bp@suse.de>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch rearranges the description of field members of
struct tvp7002_config. Also as the all the fields where accepting
a value either 0/1, made the members as bool.
Signed-off-by: NLad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

this patch removes duplicate #define TVP7002_MODULE_NAME
form the driver file, which was also defined in media/tvp7002.h
Signed-off-by: NLad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

[mchehab@redhat.com: CodingStyle fixes]
Signed-off-by: NLeonid Kegulskiy <leo@lumanate.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch fixes several typos in videodev2.h file
Signed-off-by: NLad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Module parameter descriptions need not be terminated with a newline.
Signed-off-by: NJean Delvare <khali@linux-fr.org>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The orig code will release all the resources if v4l2_device_register()
failed and return 0. But what we need in this case is to return an
negative error code to let the caller known we are failed.
So the patch save the return value of v4l2_device_register() to 'ret'
and return it when error.
Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: NScott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Fix to return -ENODEV in the subdevice register error handling
case instead of 0, as done elsewhere in this function.
Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: NLad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Fix to return -ENODEV in the subdevice register error handling
case instead of 0, as done elsewhere in this function.
Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: NLad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Fix to return -EINVAL in the get kernel address error handling
case instead of 0, as done elsewhere in this function.
Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: NSakari Ailus <sakari.ailus@iki.fi>
Acked-by: NMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Fix hdpvr build errors when CONFIG_I2C=m and VIDEO_V4L2=m and
VIDEO_HDPVR=y.
drivers/built-in.o: In function `hdpvr_disconnect':
hdpvr-core.c:(.text+0xef542): undefined reference to `v4l2_device_disconnect'
hdpvr-core.c:(.text+0xef57e): undefined reference to `i2c_del_adapter'
hdpvr-core.c:(.text+0xef58a): undefined reference to `video_unregister_device'
drivers/built-in.o: In function `hdpvr_delete':
(.text+0xef5b9): undefined reference to `video_device_release'
drivers/built-in.o: In function `hdpvr_probe':
hdpvr-core.c:(.text+0xef63a): undefined reference to `v4l2_device_register'
hdpvr-core.c:(.text+0xefd97): undefined reference to `i2c_del_adapter'
drivers/built-in.o: In function `hdpvr_s_ctrl':
hdpvr-video.c:(.text+0xf03c0): undefined reference to `v4l2_ctrl_activate'
drivers/built-in.o: In function `hdpvr_device_release':
hdpvr-video.c:(.text+0xf0470): undefined reference to `v4l2_device_unregister'
hdpvr-video.c:(.text+0xf0479): undefined reference to `v4l2_ctrl_handler_free'
hdpvr-video.c:(.text+0xf048f): undefined reference to `i2c_del_adapter'
drivers/built-in.o: In function `hdpvr_open':
hdpvr-video.c:(.text+0xf0570): undefined reference to `video_devdata'
hdpvr-video.c:(.text+0xf057b): undefined reference to `v4l2_fh_init'
hdpvr-video.c:(.text+0xf0583): undefined reference to `v4l2_fh_add'
drivers/built-in.o: In function `video_drvdata':
hdpvr-video.c:(.text+0xf08a0): undefined reference to `video_devdata'
drivers/built-in.o: In function `vidioc_s_dv_timings':
hdpvr-video.c:(.text+0xf0d34): undefined reference to `v4l_match_dv_timings'
drivers/built-in.o: In function `hdpvr_poll':
hdpvr-video.c:(.text+0xf1455): undefined reference to `v4l2_ctrl_poll'
drivers/built-in.o: In function `hdpvr_release':
hdpvr-video.c:(.text+0xf18f6): undefined reference to `v4l2_fh_release'
drivers/built-in.o: In function `hdpvr_register_videodev':
(.text+0xf1be3): undefined reference to `v4l2_ctrl_handler_init_class'
drivers/built-in.o: In function `hdpvr_register_videodev':
(.text+0xf1c19): undefined reference to `v4l2_ctrl_new_std'
drivers/built-in.o: In function `hdpvr_register_videodev':
(.text+0xf1c42): undefined reference to `v4l2_ctrl_new_std'
drivers/built-in.o: In function `hdpvr_register_videodev':
(.text+0xf1c6b): undefined reference to `v4l2_ctrl_new_std'
drivers/built-in.o: In function `hdpvr_register_videodev':
(.text+0xf1cac): undefined reference to `v4l2_ctrl_new_std'
drivers/built-in.o: In function `hdpvr_register_videodev':
(.text+0xf1cd5): undefined reference to `v4l2_ctrl_new_std'
drivers/built-in.o:(.text+0xf1cfe): more undefined references to `v4l2_ctrl_new_std' follow
drivers/built-in.o: In function `hdpvr_register_videodev':
(.text+0xf1d75): undefined reference to `v4l2_ctrl_new_std_menu'
drivers/built-in.o: In function `hdpvr_register_videodev':
(.text+0xf1d9e): undefined reference to `v4l2_ctrl_new_std_menu'
drivers/built-in.o: In function `hdpvr_register_videodev':
(.text+0xf1dc3): undefined reference to `v4l2_ctrl_new_std_menu'
drivers/built-in.o: In function `hdpvr_register_videodev':
(.text+0xf1de5): undefined reference to `v4l2_ctrl_new_std_menu'
drivers/built-in.o: In function `hdpvr_register_videodev':
(.text+0xf1e18): undefined reference to `v4l2_ctrl_new_std'
drivers/built-in.o: In function `hdpvr_register_videodev':
(.text+0xf1e4b): undefined reference to `v4l2_ctrl_new_std'
drivers/built-in.o: In function `hdpvr_register_videodev':
(.text+0xf1e90): undefined reference to `v4l2_ctrl_cluster'
drivers/built-in.o: In function `hdpvr_register_videodev':
(.text+0xf1e98): undefined reference to `v4l2_ctrl_handler_setup'
drivers/built-in.o: In function `hdpvr_register_videodev':
(.text+0xf1ec1): undefined reference to `video_device_alloc'
drivers/built-in.o: In function `hdpvr_register_videodev':
(.text+0xf1f85): undefined reference to `__video_register_device'
drivers/built-in.o: In function `hdpvr_register_videodev':
(.text+0xf1fac): undefined reference to `v4l2_ctrl_handler_free'
drivers/built-in.o: In function `hdpvr_register_ir_tx_i2c':
(.text+0xf238f): undefined reference to `i2c_new_device'
drivers/built-in.o: In function `hdpvr_register_ir_rx_i2c':
(.text+0xf2434): undefined reference to `i2c_new_device'
drivers/built-in.o: In function `hdpvr_register_i2c_adapter':
(.text+0xf2514): undefined reference to `i2c_add_adapter'
drivers/built-in.o:(.rodata+0x1b368): undefined reference to `video_ioctl2'
drivers/built-in.o:(.rodata+0x1b690): undefined reference to `v4l2_ctrl_log_status'
drivers/built-in.o:(.rodata+0x1b6f8): undefined reference to `v4l2_ctrl_subscribe_event'
drivers/built-in.o:(.rodata+0x1b700): undefined reference to `v4l2_event_unsubscribe'
Signed-off-by: NRandy Dunlap <rdunlap@infradead.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Fix missing break that so that n_layers are not accidentally incorrect
Kernel version: v3.10-rc1
Signed-off-by: NJakob Normark <jakobnormark@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

At least on s390, gcc complains about that:
    drivers/media/i2c/saa7115.c: In function 'saa711x_detect_chip.constprop.2':
    drivers/media/i2c/saa7115.c:1647:1: warning: 'saa711x_detect_chip.constprop.2' uses dynamic stack allocation [enabled by default]

While for me the above report seems utterly bogus, as the
compiler should be optimizing saa711x_detect_chip, merging
it with saa711x_detect_chip and changing:
	char chip_ver[size - 1];
to
	char chip_ver[16];

because this function is only called on this code snippet:
	char name[17];
	...
	ident = saa711x_detect_chip(client, id, name, sizeof(name));

It seems that gcc is not optimizing it, at least on s390.

As getting rid of it is easy, let's do it.
Reported-by: Nkbuild test robot <fengguang.wu@intel.com>
Acked-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>