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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
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adp1653.h
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adv7183.h
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adv7343.h [media] media: i2c: adv7343: make the platform data members as array 2013-07-26 13:20:36 -03:00
adv7393.h
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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
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as3645a.h
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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
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cs53l32a.h
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cs5345.h
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cx2341x.h
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cx25840.h
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gpio-ir-recv.h
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i2c-addr.h
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ir-kbd-i2c.h
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ir-rx51.h
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lirc.h
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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
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m52790.h
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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
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mt9m032.h
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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
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mt9v011.h
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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
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omap1_camera.h
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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
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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
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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
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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
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s5k6aa.h
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s5p_fimc.h [media] exynos4-is: Correct colorspace handling at FIMC-LITE 2013-06-28 15:33:27 -03:00
s5p_hdmi.h
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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
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saa7146.h
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saa7146_vv.h
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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
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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
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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
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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
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timb_video.h
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tuner-types.h
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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
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tvp7002.h [media] media: i2c: tvp7002: rearrange description of structure members 2013-05-27 09:29:56 -03:00
tw9910.h
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uda1342.h [media] uda1342: add new uda1342 audio codec driver 2013-03-24 12:24:11 -03:00
upd64031a.h
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upd64083.h
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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
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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
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videobuf-dvb.h
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videobuf-vmalloc.h
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videobuf2-core.h media: vb2: fix VBI/poll regression 2014-10-09 12:21:27 -07:00
videobuf2-dma-contig.h
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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
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wm8775.h
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