Commit graph

9781 commits

Author SHA1 Message Date
Linus Torvalds 7ae0dea900 Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (94 commits)
  V4L/DVB: tvp7002: fix write to H-PLL Feedback Divider LSB register
  V4L/DVB: dvb: siano: free spinlock before schedule()
  V4L/DVB: media: video: pvrusb2: remove custom hex_to_bin()
  V4L/DVB: drivers: usbvideo: remove custom implementation of hex_to_bin()
  V4L/DVB: Report supported QAM modes on bt8xx
  V4L/DVB: media: ir-keytable: null dereference in debug code
  V4L/DVB: ivtv: convert to the new control framework
  V4L/DVB: ivtv: convert gpio subdev to new control framework
  V4L/DVB: wm8739: convert to the new control framework
  V4L/DVB: cs53l32a: convert to new control framework
  V4L/DVB: wm8775: convert to the new control framework
  V4L/DVB: cx2341x: convert to the control framework
  V4L/DVB: cx25840: convert to the new control framework
  V4L/DVB: cx25840/ivtv: replace ugly priv control with s_config
  V4L/DVB: saa717x: convert to the new control framework
  V4L/DVB: msp3400: convert to the new control framework
  V4L/DVB: saa7115: convert to the new control framework
  V4L/DVB: v4l2: hook up the new control framework into the core framework
  V4L/DVB: Documentation: add v4l2-controls.txt documenting the new controls API
  V4L/DVB: v4l2-ctrls: Whitespace cleanups
  ...
2010-08-10 15:09:54 -07:00
Rajashekhara, Sudhakar 560afa7d85 V4L/DVB: tvp7002: fix write to H-PLL Feedback Divider LSB register
H-PLL Feedback Divider LSB register is an 8 bit register out
of which the first 4 bits are reserved. Current code is
writing to these reserved location. This patch corrects
this issue by left shifting the values being written to the
register by 4.

This patch has been tested on DM6467 EVM with 720P-60 and
1080I-60 inputs.

Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:07 -03:00
Kulikov Vasiliy d0a38ce27e V4L/DVB: dvb: siano: free spinlock before schedule()
Calling schedule() holding spinlock with disables irqs is improper. As
spinlock protects list coredev->buffers, it can be unlocked untill wakeup.
This bug was introduced in a9349315f6.

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:06 -03:00
Andy Shevchenko e03b9843dc V4L/DVB: media: video: pvrusb2: remove custom hex_to_bin()
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:06 -03:00
Andy Shevchenko af5458b91f V4L/DVB: drivers: usbvideo: remove custom implementation of hex_to_bin()
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:06 -03:00
Arnuschky c75079cc2a V4L/DVB: Report supported QAM modes on bt8xx
Here a small patch to get a TwinHan VT DST DVB-T card working with
kernels >= 2.6.32. Analogously to
http://linuxtv.org/hg/v4l-dvb/rev/0e735b509163 I had to:

"Fill in the .caps field in struct dst_dvbt_ops (around line 1763) with
all the supported QAM modulation methods to match the capabilities of
the card as implemented in function dst_set_modulation (around line
502). Note that beginning with linux kernel version 2.6.32 the
modulation method is checked (by function dvb_frontend_check_parameters
in file drivers/media/dvb/dvb-core/dvb_frontend.c) and thus tuning fails
if you use a modulation method that is not present in the .caps field."

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:06 -03:00
Dan Carpenter ede67a30f5 V4L/DVB: media: ir-keytable: null dereference in debug code
"ir_dev->props" can be NULL.  We only use raw mode if "ir_dev->props" is
non-NULL and "ir_dev->props->driver_type == RC_DRIVER_IR_RAW".

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:06 -03:00
Hans Verkuil f7b80e6919 V4L/DVB: ivtv: convert to the new control framework
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:06 -03:00
Hans Verkuil 2fd781448a V4L/DVB: ivtv: convert gpio subdev to new control framework
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:05 -03:00
Hans Verkuil f687d19d22 V4L/DVB: wm8739: convert to the new control framework
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:05 -03:00
Hans Verkuil 251190cffa V4L/DVB: cs53l32a: convert to new control framework
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:05 -03:00
Hans Verkuil 5aa9ae5ed5 V4L/DVB: wm8775: convert to the new control framework
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:05 -03:00
Hans Verkuil f6e114eed0 V4L/DVB: cx2341x: convert to the control framework
Since this module is also used by drivers that are not yet converted, the old
and new code have to co-exist.

The source is split into three parts: a common part at the top, which is used
by both old and new code, then the old code followed by the new control
framework implementation. This new code is much more readable (and shorter!)
than the original code.

Once all bridge drivers that use this are converted the old code can be
deleted.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:05 -03:00
Hans Verkuil e34e658b5a V4L/DVB: cx25840: convert to the new control framework
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:05 -03:00
Hans Verkuil 72c851b00f V4L/DVB: cx25840/ivtv: replace ugly priv control with s_config
The cx25840 used a private control CX25840_CID_ENABLE_PVR150_WORKAROUND
to be told whether to enable a workaround for certain pvr150 cards.

This is really config data that it needs to get at load time.

Implemented this in cx25840 and ivtv.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:05 -03:00
Hans Verkuil 59b8311a9b V4L/DVB: saa717x: convert to the new control framework
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:04 -03:00
Hans Verkuil ebc3bba583 V4L/DVB: msp3400: convert to the new control framework
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:04 -03:00
Hans Verkuil e356054337 V4L/DVB: saa7115: convert to the new control framework
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:04 -03:00
Hans Verkuil 11bbc1cadb V4L/DVB: v4l2: hook up the new control framework into the core framework
Add the calls needed to automatically merge subdev controls into a bridge
control handler.

Hook up the control framework in __video_ioctl2 and video_register_device.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:04 -03:00
Mauro Carvalho Chehab 6dd5aff3ca V4L/DVB: v4l2-ctrls: Whitespace cleanups
Fixes 37 checkpatch.pl warnings like:

WARNING: please, no space before tabs
+^Icase V4L2_CID_MPEG_VIDEO_PULLDOWN: ^Ireturn "Video Pulldown";$

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:04 -03:00
Hans Verkuil 6c8d611193 V4L/DVB: v4l2-ctrls: reorder 'case' statements to match order in header
To make it easier to determine whether all controls are added in v4l2-ctrls.c
the case statements inside the switch are re-ordered to match the header.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:03 -03:00
Hans Verkuil 0996517cf8 V4L/DVB: v4l2: Add new control handling framework
Add a new framework to handle controls which makes life for driver
developers much easier.

Note that this patch moves some of the control support that used to be in
v4l2-common.c to v4l2-ctrls.c. The tables were copied unchanged. The body
of v4l2_ctrl_query_fill() was copied to a new v4l2_ctrl_fill() function
in v4l2-ctrls.c. This new function doesn't use the v4l2_queryctrl
struct anymore, which makes it more general.

The remainder of v4l2-ctrls.c is all new. Highlights include:

- No need to implement VIDIOC_QUERYCTRL, QUERYMENU, S_CTRL, G_CTRL,
  S_EXT_CTRLS, G_EXT_CTRLS or TRY_EXT_CTRLS in either bridge drivers
  or subdevs. New wrapper functions are provided that can just be plugged in.
  Once everything has been converted these wrapper functions can be removed as well.

- When subdevices are added their controls can be automatically merged
  with the bridge driver's controls.

- Most drivers just need to implement s_ctrl to set the controls.
  The framework handles the locking and tries to be as 'atomic' as possible.

- Ready for the subdev device nodes: the same mechanism applies to subdevs
  and their device nodes as well. Sub-device drivers can make controls
  local, preventing them from being merged with bridge drivers.

- Takes care of backwards compatibility handling of VIDIOC_S_CTRL and
  VIDIOC_G_CTRL. Handling of V4L2_CID_PRIVATE_BASE is fully transparent.
  CTRL_CLASS controls are automatically added.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:03 -03:00
Pawel Osciak 03e30ca5f0 V4L/DVB: v4l: s5p-fimc: Fix coding style issues
Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:03 -03:00
Michael Grzeschik 175bad921c V4L/DVB: mt9m111: init chip after read CHIP_VERSION
Moved mt9m111_init after the chip version detection passage: I
don't like the idea of writing on a device we haven't identified
yet.

Signed-off-by: Philipp Wiesner <p.wiesner@phytec.de>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:03 -03:00
Philipp Wiesner c8cf078ebd V4L/DVB: mt9m111: Added indication that MT9M131 is supported by this driver
Added this info to Kconfig and mt9m111.c, some comment cleanup,
replaced 'mt9m11x'-statements by clarifications or driver name.
Driver is fully compatible to mt9m131 which has only additional functions
compared to mt9m111. Those aren't used anyway at the moment.

Signed-off-by: Philipp Wiesner <p.wiesner@phytec.de>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:03 -03:00
Michael Grzeschik d86097e19c V4L/DVB: mx2_camera: add rising edge for pixclock
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:03 -03:00
Michael Grzeschik cd9ebdbc05 V4L/DVB: mx2_camera: fix for list bufnum in frame_done_emma
The emma uses bufnum 1 and 0. This patch tells the bufqueue to change
the next buffer to the next one and not the current one.
Otherwise the BUG_ON above will trigger everytime.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:03 -03:00
Guennadi Liakhovetski b3fc1782c8 V4L/DVB: V4L: do not autoselect components on embedded systems
Tuner, DVB frontend and video helper chip drivers are by default
autoselected by their respective host cards, this, however, doesn't make
much sense on SoC-based systems. Disable autoselection on EMBEDDED
systems.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:02 -03:00
Guennadi Liakhovetski 103754a052 V4L/DVB: soc-camera: prohibit S_CROP, if internal G_CROP has failed
There is no sense in trying to set cropping if we cannot get current one
from the host driver.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:02 -03:00
Jean-François Moine a484dd9b77 V4L/DVB: gspca - zc3xx: Redefine the exchanges of sensor mt9v111 (mi0360soc)
The exchanges for sensor mt9v111 are different with bridges zc301 and zc303.
The exchanges for the bridge zc303 were those of the bad named tas5130ck.
These mt9v111 exchanges have been adjusted from the ms-Windows public files
vm30x.inf (for 0ac8:301b) and usbvm303.inf (for 0ac8:303b).

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:02 -03:00
Jean-François Moine 2af0b4c60c V4L/DVB: gspca - zc3xx: Add the light frequency control for sensor hv7131r
The new exchanges are extracted from the public file lPEPI264v.inf of the
ms-Windows driver. In this file, the sensor is named hv7131b but the exchanges
are those of the hv7131r.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:02 -03:00
Jean-François Moine 5fd450e913 V4L/DVB: gspca - zc3xx: Possible use of the highest alternate setting
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:02 -03:00
Jean-François Moine c39da6a375 V4L/DVB: gspca - zc3xx: Do the sensor probe at resume time
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:02 -03:00
Jean-François Moine 6d31450544 V4L/DVB: gspca - zc3xx: Check the USB exchanges
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:01 -03:00
Jean-François Moine 83d1aa3d21 V4L/DVB: gspca - zc3xx: Cleanup source
- use an enum to define the sensor numbers
- use the sensor numbers to index the associated tables
- rename TAS5130CXX to TAS5130C
- rename HV7131C to HV7131R
- change some comments

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:01 -03:00
Jean-François Moine fe988f56c7 V4L/DVB: gspca - main: Fix a crash in gspca_frame_add()
Some webcams as ov511 may find many times an end of image.
In this case, with the last patch in image concatenation
(commit 799b1bd41f398054d46fd35f73abd01c4009f6ca),
the image pointer was NULL and the system crashed in memcpy().

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:01 -03:00
Sylwester Nawrocki 5fd8f7388c V4L/DVB: v4l: Add driver for Samsung S5P SoC video postprocessor
This driver exports a video device node per each camera interface/
video postprocessor (FIMC) device contained in Samsung S5P SoC series.
The driver is based on v4l2-mem2mem framework.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:01 -03:00
Laurent Pinchart 70092c26dc V4L/DVB: uvcvideo: Add support for Miricle 307K thermal webcam
The camera requires the STREAM_NO_FID quirk. Add a corresponding entry
in the device IDs list.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:01 -03:00
Laurent Pinchart 9bde9f263e V4L/DVB: uvcvideo: Drop corrupted compressed frames
Corrupted video frames are dropped by default by the driver for
uncompressed formats. Data corruption is not less problematic for
compressed formats, so frame drop should be enabled by default for those
formats as well.

Mark buffers as faulty when an isochronous packet loss is detected for
any format, or when the buffer length doesn't match the image size for
uncompressed formats. Drop erroneous buffers regardless of whether the
format is compressed or uncompressed.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:01 -03:00
Andy Walls df49d113d1 V4L/DVB: IR keymap: Add print button for HP OEM version of MCE remote
This patch adds a defintion for the "Print" button found on HP OEM
versions of the MCE remote.  All of the other keys found on the HP OEM
version of the remote match the other keys as already defined.

Because, who doesn't need "remote printing", while one is sitting on the
couch across from one's PC? ;)

Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Acked-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:00 -03:00
Maxim Levitsky 931e39a139 V4L/DVB: IR: Port ene driver to new IR subsystem and enable it
Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:00 -03:00
Maxim Levitsky 9ea53b74df V4L/DVB: STAGING: remove lirc_ene0100 driver
Add latest unported version of this driver to media/IR.
Next patch will port it to ir core.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:00 -03:00
Maxim Levitsky ed4d3876d1 V4L/DVB: IR: report unknown scancodes the in-kernel decoders found
This way it is possible to use evtest to create keymap for unknown remote.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:00 -03:00
Maxim Levitsky e589333f34 V4L/DVB: IR: extend interfaces to support more device settings
LIRC: add new IOCTL that enables learning mode (wide band receiver)
Still missing features: carrier report & timeout reports.
Will need to pack these into ir_raw_event

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:00 -03:00
Maxim Levitsky 4a702ebf61 V4L/DVB: IR: add helper function for hardware with small o/b buffer
Some ir input devices have small buffer, and interrupt the host
each time it is full (or half full)

Add a helper that automaticly handles timeouts, and also
automaticly merges samples of same time (space-space)
Such samples might be placed by hardware because size of
sample in the buffer is small (a byte for example).

Also remove constness from ir_dev_props, because it now contains timeout
settings that driver might want to change

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Acked-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:00 -03:00
Maxim Levitsky b378f43fe9 V4L/DVB: IR: Allow not to compile keymaps in
Currently, ir device registration fails if keymap requested by driver is not found.
Fix that by always compiling in the empty keymap, and using it as a failback.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Acked-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:43:00 -03:00
Maxim Levitsky 86ff071cad V4L/DVB: IR: NECX: support repeat
This adds support for repeat detecting for NECX variant
Tested with uneversal remote

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:42:59 -03:00
Maxim Levitsky e31f41278f V4L/DVB: IR: nec decoder: fix repeat
Repeat space is 4 units, not 8.
Current code would never trigger a repeat.

However that isn't true for NECX, so repeat there
must be handled differently.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Reviewed-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:42:59 -03:00
Maxim Levitsky 39b2c0687b V4L/DVB: IR: JVC: make repeat work
Currently, jvc decoder will attempt misdetect next press as a repeat
of last keypress, therefore second keypress isn't detected.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:42:59 -03:00
Maxim Levitsky 0d2cb1de8e V4L/DVB: IR: replace workqueue with kthread
It is perfectly possible to have ir_raw_event_work
running concurently on two cpus, thus we must protect
it from that situation.

This stems from the fact that if hardware sends short packets of samples
we might end up queueing the work item more times that nessesary.

Such job isn't well suited for a workqueue, so use a kernel thread.

Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-08-08 23:42:59 -03:00