diff options
| author | Shuah Khan <shuahkh@osg.samsung.com> | 2016-02-11 21:41:29 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2016-02-27 08:46:55 -0300 |
| commit | 77fa4e072998705883c4dc672963b4bf7483cea9 (patch) | |
| tree | 6b5d93eda723017ebb2bd3129ff4d2da86ffb990 /drivers/media/v4l2-core/v4l2-fh.c | |
| parent | 50512333f2d7f09fc108e062278a82d2cbc6581c (diff) | |
[media] media: Change v4l-core to check if source is free
Change s_input, s_fmt, s_tuner, s_frequency, querystd, s_hw_freq_seek,
and vb2_core_streamon interfaces that alter the tuner configuration to
check if it is free, by calling v4l_enable_media_source().
If source isn't free, return -EBUSY.
v4l_disable_media_source() is called from v4l2_fh_exit() to release
tuner (source).
vb2_core_streamon() uses v4l_vb2q_enable_media_source().
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-fh.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-fh.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-fh.c b/drivers/media/v4l2-core/v4l2-fh.c index c97067a25bd2..c183f0996fa1 100644 --- a/drivers/media/v4l2-core/v4l2-fh.c +++ b/drivers/media/v4l2-core/v4l2-fh.c @@ -29,6 +29,7 @@ #include <media/v4l2-fh.h> #include <media/v4l2-event.h> #include <media/v4l2-ioctl.h> +#include <media/v4l2-mc.h> void v4l2_fh_init(struct v4l2_fh *fh, struct video_device *vdev) { @@ -92,6 +93,7 @@ void v4l2_fh_exit(struct v4l2_fh *fh) { if (fh->vdev == NULL) return; + v4l_disable_media_source(fh->vdev); v4l2_event_unsubscribe_all(fh); fh->vdev = NULL; } |