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ee6869afc9
linux/include/media
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Hans Verkuil ee6869afc9 V4L/DVB: v4l2: add core serialization lock 
Drivers can optionally set a pointer to a mutex in struct video_device.
The core will use that to lock before calling open, read, write, unlocked_ioctl,
poll, mmap or release.

Updated the documentation as well and ensure that v4l2-event knows about the
lock: it will unlock it before doing a blocking wait on an event and relock it
afterwards.

Ensure that the 'video_is_registered' check is done when the lock is held:
a typical disconnect will take the lock as well before unregistering the
device nodes, so to prevent race conditions the video_is_registered check
should also be done with the lock held.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-21 01:06:14 -02:00
..
davinci V4L/DVB: V4L: vpfe_capture: Add call back function for interrupt clear for vpfe_cfg 2010-05-18 00:52:43 -03:00
adv7343.h V4L/DVB (11743): Analog Devices ADV7343 video encoder driver 2009-06-16 18:20:59 -03:00
ak881x.h V4L/DVB: V4L: v4l2-subdev driver for AK8813 and AK8814 TV-encoders from AKM 2010-05-19 12:58:02 -03:00
bt819.h
cs53l32a.h
cs5345.h
cx2341x.h V4L/DVB: cx2341x: convert to the control framework 2010-08-08 23:43:05 -03:00
cx25840.h V4L/DVB: cx25840/ivtv: replace ugly priv control with s_config 2010-08-08 23:43:05 -03:00
i2c-addr.h
ir-common.h V4L/DVB: ir-common: remove keymap tables from the module 2010-05-19 12:56:51 -03:00
ir-core.h V4L/DVB: IR: export ir_keyup so imon driver can use it directly 2010-10-21 01:06:07 -02:00
ir-kbd-i2c.h V4L/DVB: saa7134: get rid of I2C_HW_SAA7134 2010-10-21 01:06:07 -02:00
lirc_dev.h V4L/DVB: IR/lirc: make lirc userspace and staging modules buildable 2010-08-02 16:42:55 -03:00
lirc.h V4L/DVB: IR: extend interfaces to support more device settings 2010-08-08 23:43:00 -03:00
m52790.h
msp3400.h
mt9t112.h V4L/DVB (13670): soc-camera: Add mt9t112 camera driver 2009-12-16 09:27:41 -02:00
ov772x.h soc-camera: ov772x: Modify buswidth control 2010-02-26 15:11:00 -03:00
ovcamchip.h
pwc-ioctl.h
radio-si4713.h V4L/DVB (12551): FM TX: si4713: Add files to add radio interface for si4713 2009-09-12 12:19:19 -03:00
rc-map.h V4L/DVB: Support or LME2510(C) DM04/QQBOX USB DVB-S BOXES 2010-10-21 01:04:54 -02:00
rds.h
rj54n1cb0c.h V4L/DVB (13661): rj54n1cb0c: Add cropping, auto white balance, restrict sizes, add platform data 2009-12-16 09:27:30 -02:00
saa6752hs.h
saa7115.h
saa7127.h
saa7146_vv.h V4L/DVB: saa7146: fix regression of the av7110/budget-av driver 2010-05-06 19:20:50 -03:00
saa7146.h
sh_mobile_ceu.h V4L/DVB: V4L2: sh_mobile_camera_ceu: add support for CSI2 2010-08-02 16:43:40 -03:00
sh_mobile_csi2.h V4L/DVB: V4L2: soc-camera: add a MIPI CSI-2 driver for SH-Mobile platforms 2010-08-02 16:43:39 -03:00
sh_vou.h V4L/DVB: V4L: SuperH Video Output Unit (VOU) driver 2010-05-19 12:58:01 -03:00
si4713.h V4L/DVB (12552): FM TX: si4713: Add files to handle si4713 i2c device 2009-09-12 12:19:20 -03:00
soc_camera_platform.h V4L/DVB (13659): soc-camera: convert to the new mediabus API 2009-12-16 09:27:29 -02:00
soc_camera.h V4L/DVB: V4L2: soc-camera: export soc-camera bus type for notifications 2010-08-02 16:43:38 -03:00
soc_mediabus.h V4L/DVB (13658): v4l: add a media-bus API for configuring v4l2 subdev pixel and frame formats 2009-12-16 09:27:27 -02:00
timb_radio.h V4L/DVB: radio: Add radio-timb 2010-02-26 15:10:56 -03:00
tuner-types.h
tuner.h V4L/DVB: tuner: Add a definition for the Philips FQ1236 MK5 NTSC tuner 2010-07-08 16:49:53 -03:00
tvaudio.h
tveeprom.h
tvp514x.h V4L/DVB (12246): tvp514x: Migration to sub-device framework 2009-09-19 00:18:09 -03:00
tvp5150.h
tvp7002.h V4L/DVB: Definitions for TVP7002 in DM365 2010-02-26 15:11:01 -03:00
tw9910.h tw9910: use TABs for indentation 2010-02-26 15:10:59 -03:00
upd64031a.h
upd64083.h
v4l2-chip-ident.h V4L/DVB: V4L: v4l2-subdev driver for AK8813 and AK8814 TV-encoders from AKM 2010-05-19 12:58:02 -03:00
v4l2-common.h V4L/DVB: v4l2-common: simplify prio utility functions 2010-05-19 12:58:54 -03:00
v4l2-ctrls.h V4L/DVB: v4l2: Add new control handling framework 2010-08-08 23:43:03 -03:00
v4l2-dev.h V4L/DVB: v4l2: add core serialization lock 2010-10-21 01:06:14 -02:00
v4l2-device.h V4L/DVB: V4L2: avoid name conflicts in macros 2010-10-21 01:04:48 -02:00
v4l2-event.h V4L/DVB: V4L: Events: Add backend 2010-05-19 12:58:06 -03:00
v4l2-fh.h V4L/DVB: V4L: Events: Add backend 2010-05-19 12:58:06 -03:00
v4l2-int-device.h
v4l2-ioctl.h V4L/DVB: V4L: Events: Support event handling in do_ioctl 2010-05-19 12:58:07 -03:00
v4l2-mediabus.h V4L/DVB: v4l: add RGB444 mediabus formats 2010-10-21 01:04:41 -02:00
v4l2-mem2mem.h V4L/DVB: add memory-to-memory device helper framework for videobuf 2010-05-19 12:58:03 -03:00
v4l2-subdev.h V4L/DVB: v4l: Add a v4l2_subdev host private data field 2010-10-21 01:04:52 -02:00
videobuf-core.h V4L/DVB: videobuf: Remove videobuf_mapping start and end fields 2010-08-02 15:23:09 -03:00
videobuf-dma-contig.h V4L/DVB (13377): make struct videobuf_queue_ops constant 2009-12-05 18:41:35 -02:00
videobuf-dma-sg.h V4L/DVB: videobuf-dma-sg: set correct size in last sg element 2010-09-27 22:22:01 -03:00
videobuf-dvb.h V4L/DVB (13103): create a standard method for dvb adapter drivers to override frontend ioctls 2009-12-05 18:40:21 -02:00
videobuf-vmalloc.h V4L/DVB: videobuf: Rename vmalloc fields to vaddr 2010-08-02 15:25:57 -03:00
wm8775.h