diff options
| author | Prabhakar Lad <prabhakar.csengg@gmail.com> | 2014-09-06 12:26:50 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-09-21 20:16:18 -0300 |
| commit | 815789244eda0b3be11fb1824354ca20c8ec3508 (patch) | |
| tree | fcc44a2495aa971adbc8a5c3bab3bb337ce1eb38 /drivers/media/platform | |
| parent | ead130335f35fb732921ee0ffde6639be35aa108 (diff) | |
| download | op-kernel-dev-815789244eda0b3be11fb1824354ca20c8ec3508.zip op-kernel-dev-815789244eda0b3be11fb1824354ca20c8ec3508.tar.gz | |
[media] media: davinci: vpif_display: fix the check on suspend/resume callbacks
It is possible to call STREAMON without having any buffers queued.
So vb2_is_streaming() can return true without start_streaming()
having been called. Only after at least one buffer has been
queued will start_streaming be called.
The check vb2_is_streaming() is incorrect as this would start
the DMA without having proper DMA pointers set up. this patch
uses vb2_start_streaming_called() instead to check is streaming
was called.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/platform')
| -rw-r--r-- | drivers/media/platform/davinci/vpif_display.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index 76f829d..8d6ced5 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -1400,7 +1400,7 @@ static int vpif_suspend(struct device *dev) ch = vpif_obj.dev[i]; common = &ch->common[VPIF_VIDEO_INDEX]; - if (!vb2_is_streaming(&common->buffer_queue)) + if (!vb2_start_streaming_called(&common->buffer_queue)) continue; mutex_lock(&common->lock); @@ -1432,7 +1432,7 @@ static int vpif_resume(struct device *dev) ch = vpif_obj.dev[i]; common = &ch->common[VPIF_VIDEO_INDEX]; - if (!vb2_is_streaming(&common->buffer_queue)) + if (!vb2_start_streaming_called(&common->buffer_queue)) continue; mutex_lock(&common->lock); |
