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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-26 17:16:20 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-26 17:16:20 -0800 |
| commit | 2b8c70b2174402ca3dec13310ce56597233392d7 (patch) | |
| tree | 0aed464521a2a671cbb7b4302b55fe72abc95d3d /drivers/media/video/cx18/cx18-dvb.c | |
| parent | 29e1fa3565a7951cc415c634eb2b78dbdbee151d (diff) | |
| parent | 3621263a4d9679726b7bc1e2546c1c03941a59b4 (diff) | |
| download | talos-obmc-linux-2b8c70b2174402ca3dec13310ce56597233392d7.tar.gz talos-obmc-linux-2b8c70b2174402ca3dec13310ce56597233392d7.zip | |
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: (362 commits)
V4L-DVB: cx88-dvb: remove extra attribution for core
V4L/DVB: v4l: soc_camera: fix bound checking of mbus_fmt[] index
V4L/DVB: Add support for SMT7020 to cx88
V4L/DVB: radio-si470x: Use UTF-8 encoding on a comment
V4L/DVB: MAINTAINERS: Telegent tlg2300 section fix
V4L/DVB: gspca_stv06xx: Add support for camera button
V4L/DVB: gspca_ov519: add support for the button on ov511 based cams
V4L/DVB: gspca_ov519: Add support for the button on ov518 based cams
V4L/DVB: gspca_ov519: add support for the button on ov519 based cams
V4L/DVB: gspca_main: Fix a compile error when CONFIG_INPUT is not set
V4L/DVB: gspca_main: some input error handling fixes
V4L/DVB: gspca_main: Allow use of input device creation code for non int. inputs
V4L/DVB: gspca_pac7302: much improved exposure control
V4L/DVB: gspca_sonixb: Make sonixb driver handle pas106 and pas202 cameras
V4L/DVB: gspca_sonixb: pas106: fixup bright ctrl and add gain and exposure ctrls
V4L/DVB: Documentation: gspca.txt: update known mr97310a cams
V4L/DVB: gspca_mr97310a: add support for the Sakar 1638x CyberPix
V4L/DVB: gscpa_sonixb: limit ov7630 max framerate at 640x480
V4L/DVB: gspca_sonixb: pas202: fixup brightness ctrl and add gain and exposure ctrls
V4L/DVB: gscpa_sonixb: Differentiate between sensors with a coarse and fine expo ctrl
...
Diffstat (limited to 'drivers/media/video/cx18/cx18-dvb.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-dvb.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/media/video/cx18/cx18-dvb.c b/drivers/media/video/cx18/cx18-dvb.c index 71ad2d1b4c2c..0ae2c2e1eab5 100644 --- a/drivers/media/video/cx18/cx18-dvb.c +++ b/drivers/media/video/cx18/cx18-dvb.c @@ -213,10 +213,14 @@ static int cx18_dvb_start_feed(struct dvb_demux_feed *feed) { struct dvb_demux *demux = feed->demux; struct cx18_stream *stream = (struct cx18_stream *) demux->priv; - struct cx18 *cx = stream->cx; + struct cx18 *cx; int ret; u32 v; + if (!stream) + return -EINVAL; + + cx = stream->cx; CX18_DEBUG_INFO("Start feed: pid = 0x%x index = %d\n", feed->pid, feed->index); @@ -253,12 +257,10 @@ static int cx18_dvb_start_feed(struct dvb_demux_feed *feed) if (!demux->dmx.frontend) return -EINVAL; - if (!stream) - return -EINVAL; - mutex_lock(&stream->dvb.feedlock); if (stream->dvb.feeding++ == 0) { CX18_DEBUG_INFO("Starting Transport DMA\n"); + mutex_lock(&cx->serialize_lock); set_bit(CX18_F_S_STREAMING, &stream->s_flags); ret = cx18_start_v4l2_encode_stream(stream); if (ret < 0) { @@ -267,6 +269,7 @@ static int cx18_dvb_start_feed(struct dvb_demux_feed *feed) if (stream->dvb.feeding == 0) clear_bit(CX18_F_S_STREAMING, &stream->s_flags); } + mutex_unlock(&cx->serialize_lock); } else ret = 0; mutex_unlock(&stream->dvb.feedlock); @@ -279,17 +282,20 @@ static int cx18_dvb_stop_feed(struct dvb_demux_feed *feed) { struct dvb_demux *demux = feed->demux; struct cx18_stream *stream = (struct cx18_stream *)demux->priv; - struct cx18 *cx = stream->cx; + struct cx18 *cx; int ret = -EINVAL; - CX18_DEBUG_INFO("Stop feed: pid = 0x%x index = %d\n", - feed->pid, feed->index); - if (stream) { + cx = stream->cx; + CX18_DEBUG_INFO("Stop feed: pid = 0x%x index = %d\n", + feed->pid, feed->index); + mutex_lock(&stream->dvb.feedlock); if (--stream->dvb.feeding == 0) { CX18_DEBUG_INFO("Stopping Transport DMA\n"); + mutex_lock(&cx->serialize_lock); ret = cx18_stop_v4l2_encode_stream(stream, 0); + mutex_unlock(&cx->serialize_lock); } else ret = 0; mutex_unlock(&stream->dvb.feedlock); |
