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Hans Verkuil cbb87efb98 media: vb2: fix VBI/poll regression 
commit 58d75f4b1c upstream.

The recent conversion of saa7134 to vb2 unconvered a poll() bug that
broke the teletext applications alevt and mtt. These applications
expect that calling poll() without having called VIDIOC_STREAMON will
cause poll() to return POLLERR. That did not happen in vb2.

This patch fixes that behavior. It also fixes what should happen when
poll() is called when STREAMON is called but no buffers have been
queued. In that case poll() will also return POLLERR, but only for
capture queues since output queues will always return POLLOUT
anyway in that situation.

This brings the vb2 behavior in line with the old videobuf behavior.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2014-10-09 12:21:27 -07:00
..
blackfin [media] blackfin: add error frame support 2013-02-06 09:16:58 -02:00
davinci [media] media: davinci: vpif: display: add V4L2-async support 2013-07-26 13:17:15 -03:00
ad9389b.h [media] ad9389b: driver for the Analog Devices AD9389B video encoder 2012-09-13 16:15:36 -03:00
adp1653.h [media] v4l, smiapp, smiapp-pll, adp1653: Update contact information 2012-11-21 13:34:50 -02:00
adv7183.h [media] adv7183: add adv7183 decoder driver 2012-03-19 15:04:10 -03:00
adv7343.h [media] media: i2c: adv7343: make the platform data members as array 2013-07-26 13:20:36 -03:00
adv7393.h [PATCH] media: add Analog Devices ADV7393 video encoder driver 2012-07-06 15:46:17 -03:00
adv7511.h [media] adv7511: add new video encoder 2013-08-26 07:53:43 -03:00
adv7604.h [media] adv7604: sync polarities from platform data 2014-01-07 06:16:54 -02:00
adv7842.h [media] adv7842: add drive strength enum and sync names with adv7604 2014-01-07 06:47:46 -02:00
ak881x.h V4L/DVB: V4L: v4l2-subdev driver for AK8813 and AK8814 TV-encoders from AKM 2010-05-19 12:58:02 -03:00
as3645a.h [media] as3645a: Add driver for LED flash controller 2011-12-20 09:36:18 -02:00
atmel-isi.h [media] v4l: atmel-isi: Should clear bits before set the hardware register 2013-12-18 06:55:48 -02:00
bt819.h [media] bt819: the ioctls in the header are internal to the kernel 2010-12-29 08:17:19 -02:00
cs53l32a.h V4L/DVB (3599): Implement new routing commands for wm8775 and cs53l32a. 2006-03-24 16:27:00 -03:00
cs5345.h V4L/DVB (6869): cs5345: new i2c driver 2008-01-25 19:04:08 -02:00
cx2341x.h [media] v4l2-ctrls: use const char * const * for the menu arrays 2010-12-30 08:02:14 -02:00
cx25840.h [media] cx25840: Add a flag to enable the CX23888 DIF to be enabled or not 2012-01-05 06:49:38 -02:00
gpio-ir-recv.h [media] media: gpio-ir-recv: add allowed_protos for platform data 2012-07-06 18:21:53 -03:00
i2c-addr.h V4L/DVB (9940): bt832: remove this driver 2008-12-30 09:39:25 -02:00
ir-kbd-i2c.h [media] rc-core: add separate defines for protocol bitmaps and numbers 2012-10-27 11:49:51 -02:00
ir-rx51.h [media] media: rc: Introduce RX51 IR transmitter driver 2012-08-13 16:53:45 -03:00
lirc.h Fix common misspellings 2011-03-31 11:26:23 -03:00
lirc_dev.h [media] media: lirc: Allow lirc dev to talk to rc device 2013-07-31 16:30:27 -03:00
lm3560.h [media] media: i2c: add driver for dual LED Flash, lm3560 2013-10-31 06:36:39 -02:00
m5mols.h [media] m5mols: Remove superfluous irq field from the platform data struct 2011-09-24 00:23:03 -03:00
m52790.h V4L/DVB (6486): m52790: add new Mitsubishi A/V switch i2c driver 2008-01-25 19:01:46 -02:00
media-device.h [media] media: Change media device link_notify behaviour 2013-06-12 22:16:27 -03:00
media-devnode.h [media] media: Add 64--32 bit compat ioctl handler 2013-03-18 20:44:36 -03:00
media-entity.h [media] media: Include linux/kernel.h for DIV_ROUND_UP() 2013-12-18 10:36:02 -02:00
mmp-camera.h [media] marvell-cam: Basic working MMP camera driver 2011-07-27 17:53:01 -03:00
msp3400.h V4L/DVB (11380): v4l2-subdev: change s_routing prototype 2009-04-06 21:44:27 -03:00
mt9m032.h [media] v4l: Add driver for Micron MT9M032 camera sensor 2012-03-19 18:56:33 -03:00
mt9p031.h [media] mt9p031: Use the common clock framework 2013-04-14 16:03:22 -03:00
mt9t001.h [media] mt9t001: Implement V4L2_CID_PIXEL_RATE control 2012-05-24 09:25:15 -03:00
mt9t112.h V4L/DVB (13670): soc-camera: Add mt9t112 camera driver 2009-12-16 09:27:41 -02:00
mt9v011.h [media] v4l2-subdev: remove core.s_config and v4l2_i2c_new_subdev_cfg() 2011-01-19 11:45:30 -02:00
mt9v022.h [media] mt9v022: set y_skip_top field to zero as default 2012-11-22 11:36:50 -02:00
mt9v032.h [media] mt9v032: Use the common clock framework 2013-08-22 11:37:46 -03:00
noon010pc30.h [media] Add v4l2 subdev driver for NOON010PC30L image sensor 2011-03-21 20:31:40 -03:00
omap1_camera.h [media] SoC Camera: add driver for OMAP1 camera interface 2010-10-21 07:55:37 -02:00
omap3isp.h [media] omap3isp: Use the common clock framework 2013-04-14 20:21:12 -03:00
omap4iss.h [media] v4l: omap4iss: Add support for OMAP4 camera interface - Core 2013-12-03 17:21:04 -02:00
ov772x.h [media] V4L: ov772x: remove superfluous soc-camera client operations 2011-11-03 18:28:05 -02:00
ov7670.h [media] media: ov7670: Add possibility to disable pixclk during hblank 2013-02-08 14:35:06 -02:00
ov9650.h [media] V4L: Add driver for OV9650/52 image sensors 2013-02-05 15:21:15 -02:00
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-core.h [media] media: rc: Add rc_open/close and use count to rc_dev 2013-07-31 16:28:01 -03:00
rc-map.h [media] dw2102: Use RC Core instead of the legacy RC (second edition) 2013-12-10 15:22:30 -02:00
rj54n1cb0c.h V4L/DVB (13661): rj54n1cb0c: Add cropping, auto white balance, restrict sizes, add platform data 2009-12-16 09:27:30 -02:00
s3c_camif.h [media] V4L: Add driver for S3C24XX/S3C64XX SoC series camera interface 2012-11-28 09:43:34 -02:00
s5c73m3.h [media] V4L: Add S5C73M3 camera driver 2013-02-05 17:39:04 -02:00
s5k4ecgx.h [media] Add v4l2 subdev driver for S5K4ECGX sensor 2012-09-26 17:32:54 -03:00
s5k6aa.h [media] v4l: Add v4l2 subdev driver for S5K6AAFX sensor 2011-11-03 18:29:11 -02:00
s5p_fimc.h [media] exynos4-is: Correct colorspace handling at FIMC-LITE 2013-06-28 15:33:27 -03:00
s5p_hdmi.h [media] media: s5p-hdmi: add HPD GPIO to platform data 2012-10-05 23:11:51 -03:00
saa6588.h [media] saa6588: add support for non-blocking mode 2014-01-07 07:42:19 -02:00
saa7115.h [media] saa7115: make multi-line comments compliant with CodingStyle 2013-08-18 08:39:24 -03:00
saa7127.h V4L/DVB (3608): Implement new routing commands in saa7127.c 2006-04-02 04:54:56 -03:00
saa7146.h [media] saa7146: remove V4L2_FL_LOCK_ALL_FOPS 2012-08-09 19:43:28 -03:00
saa7146_vv.h [media] saa7146: fix querycap, vbi/video separation and g/s_register 2012-05-14 15:00:49 -03:00
sh_mobile_ceu.h [media] V4L2: soc-camera: fix uninitialised use compiler warning 2013-06-28 14:57:18 -03:00
sh_mobile_csi2.h [media] sh_mobile_ceu_camera: add asynchronous subdevice probing support 2013-06-21 16:35:53 -03:00
sh_vou.h [media] sh_vou: Don't use module names to load I2C modules 2010-10-22 21:53:33 -02:00
si476x.h [media] v4l2: Add a V4L2 driver for SI476X MFD 2013-04-18 21:20:34 -03:00
si4713.h [media] si4713: move supply list to si4713_platform_data 2013-12-18 06:40:07 -02:00
sii9234.h [media] v4l: s5p-tv: add sii9234 driver 2012-02-28 18:25:46 -03:00
smiapp.h [media] smiapp: Call the clock "ext_clk" 2013-08-22 11:39:12 -03:00
soc_camera.h [media] V4L2: soc-camera: work around unbalanced calls to .s_power() 2013-10-31 04:38:40 -02:00
soc_camera_platform.h [media] soc-camera: split struct soc_camera_link into host and subdevice parts 2013-01-05 01:38:02 -02:00
soc_mediabus.h [media] soc_camera: Add RGB666 & RGB888 formats 2013-04-04 19:40:08 -03:00
sr030pc30.h [media] Add driver for Siliconfile SR030PC30 VGA camera 2010-10-21 07:55:49 -02:00
tea575x.h [media] tea575x: Move header from sound to media 2013-08-18 08:08:05 -03:00
ths7303.h [media] media: i2c: ths7303: remove init_enable option from pdata 2013-06-13 11:41:18 -03:00
timb_radio.h [media] radio-timb: Simplified platform data 2011-07-27 17:53:07 -03:00
timb_video.h [media] media: Add timberdale video-in driver 2010-12-29 08:16:46 -02:00
tuner-types.h V4L/DVB (7352): tuner-simple: enable digital tuning support for Philips FMD1216ME 2008-04-24 14:07:50 -03:00
tuner.h [media] tuner-core: Change config from unsigned int to void * 2013-04-08 07:01:36 -03:00
tvaudio.h V4L/DVB (11376): tvaudio.h: add static inline to retrieve the list of possible i2c addrs. 2009-04-06 21:44:25 -03:00
tveeprom.h include: Convert ethernet mac address declarations to use ETH_ALEN 2013-08-02 12:33:54 -07:00
tvp514x.h [media] media: tvp514x: remove field description 2013-02-06 08:18:49 -02:00
tvp5150.h V4L/DVB (3712): Fix video input setting of em28xx, use _INT_S_VIDEO_ROUTING in tvp5150 2006-06-25 01:57:38 -03:00
tvp7002.h [media] media: i2c: tvp7002: rearrange description of structure members 2013-05-27 09:29:56 -03:00
tw9910.h tw9910: use TABs for indentation 2010-02-26 15:10:59 -03:00
uda1342.h [media] uda1342: add new uda1342 audio codec driver 2013-03-24 12:24:11 -03:00
upd64031a.h V4L/DVB (3666): Remove trailing newlines 2006-04-02 04:55:52 -03:00
upd64083.h V4L/DVB (3666): Remove trailing newlines 2006-04-02 04:55:52 -03:00
v4l2-async.h [media] V4L: Merge struct v4l2_async_subdev_list with struct v4l2_subdev 2013-07-30 15:54:56 -03:00
v4l2-clk.h [media] V4L2: add a v4l2-clk helper macro to produce an I2C device ID 2013-10-31 04:33:02 -02:00
v4l2-common.h Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2013-11-18 15:50:07 -08:00
v4l2-ctrls.h [media] v4l2-ctrls: fix typo in header file media/v4l2-ctrls.h 2013-10-17 05:52:25 -03:00
v4l2-dev.h [media] v4l2: always require v4l2_dev, rename parent to dev_parent 2013-06-21 11:07:12 -03:00
v4l2-device.h [media] v4l2-core: add code to check for specific ops 2013-03-24 11:59:02 -03:00
v4l2-dv-timings.h [media] v4l2-dv-timings: add callback to handle exceptions 2013-08-24 04:30:01 -03:00
v4l2-event.h [media] V4L: Add v4l2_event_subdev_unsubscribe() helper function 2013-02-05 15:04:55 -02:00
v4l2-fh.h [media] V4L: Add mem2mem ioctl and file operation helpers 2013-12-04 15:34:24 -02:00
v4l2-image-sizes.h [media] V4L: Add header file defining standard image sizes 2013-02-05 14:59:41 -02:00
v4l2-ioctl.h [media] v4l2-core: remove support for obsolete VIDIOC_DBG_G_CHIP_IDENT 2013-06-21 10:46:44 -03:00
v4l2-mediabus.h [media] media: OF: add "sync-on-green-active" property 2013-08-24 04:15:05 -03:00
v4l2-mem2mem.h [media] V4L: Add mem2mem ioctl and file operation helpers 2013-12-04 15:34:24 -02:00
v4l2-of.h [media] v4l: of: Remove struct v4l2_of_endpoint remote field 2013-12-18 06:26:05 -02:00
v4l2-subdev.h [media] v4l: Fix typo in v4l2_subdev_get_try_crop() 2013-10-31 08:10:10 -02:00
videobuf-core.h [media] videobuf-core.h: remove input fields 2012-07-05 18:03:20 -03:00
videobuf-dma-contig.h [media] videobuf-dma-contig: remove support for cached mem 2013-04-25 09:50:19 -03:00
videobuf-dma-sg.h doc: fix broken references 2011-09-27 18:08:04 +02:00
videobuf-dvb.h [media] dvb: get rid of fe_ioctl_override callback 2012-08-13 16:34:03 -03:00
videobuf-vmalloc.h V4L/DVB: videobuf: add ext_lock argument to the queue init functions 2010-10-21 01:06:14 -02:00
videobuf2-core.h media: vb2: fix VBI/poll regression 2014-10-09 12:21:27 -07:00
videobuf2-dma-contig.h [media] videobuf2: correct the #ifndef text mistake in videobuf2-dma-contig.h 2012-06-18 19:54:42 -03:00
videobuf2-dma-sg.h [media] videobuf2-dma-sg: Replace vb2_dma_sg_desc with sg_table 2013-09-26 07:33:59 -03:00
videobuf2-memops.h [media] v4l: vb2-dma-contig: let mmap method to use dma_mmap_coherent call 2012-11-25 17:20:25 -02:00
videobuf2-vmalloc.h [media] Update Pawel Osciak's e-mail address 2011-03-22 04:55:05 -03:00
wm8775.h [media] Add proper audio support for Nova-S Plus with wm8775 ADC 2011-03-21 20:32:19 -03:00