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| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2010-08-17 14:29:51 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-10-21 01:06:18 -0200 |
| commit | 57bee29d6e8cf721864fa47a18366bee5ff24f21 (patch) | |
| tree | eec0e9a15386db2bbe041f9e39d60075614c5adc /drivers/media/video/sh_mobile_ceu_camera.c | |
| parent | 79c6ff93c74e793ccceb464ee3698478c812ce79 (diff) | |
| download | linux-stable-57bee29d6e8cf721864fa47a18366bee5ff24f21.tar.gz linux-stable-57bee29d6e8cf721864fa47a18366bee5ff24f21.tar.bz2 linux-stable-57bee29d6e8cf721864fa47a18366bee5ff24f21.zip | |
V4L/DVB: soc-camera: allow only one video queue per device
Multiple user-space application instances can open the same video device, but
it only makes sense for one of them to manage the videobuffer queue and set
video format of the device. Restrict soc-camera respectively.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/sh_mobile_ceu_camera.c')
| -rw-r--r-- | drivers/media/video/sh_mobile_ceu_camera.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c index 39211628d427..cbc997d591bf 100644 --- a/drivers/media/video/sh_mobile_ceu_camera.c +++ b/drivers/media/video/sh_mobile_ceu_camera.c @@ -1726,7 +1726,7 @@ static int sh_mobile_ceu_try_fmt(struct soc_camera_device *icd, return ret; } -static int sh_mobile_ceu_reqbufs(struct soc_camera_file *icf, +static int sh_mobile_ceu_reqbufs(struct soc_camera_device *icd, struct v4l2_requestbuffers *p) { int i; @@ -1740,7 +1740,7 @@ static int sh_mobile_ceu_reqbufs(struct soc_camera_file *icf, for (i = 0; i < p->count; i++) { struct sh_mobile_ceu_buffer *buf; - buf = container_of(icf->vb_vidq.bufs[i], + buf = container_of(icd->vb_vidq.bufs[i], struct sh_mobile_ceu_buffer, vb); INIT_LIST_HEAD(&buf->vb.queue); } @@ -1750,10 +1750,10 @@ static int sh_mobile_ceu_reqbufs(struct soc_camera_file *icf, static unsigned int sh_mobile_ceu_poll(struct file *file, poll_table *pt) { - struct soc_camera_file *icf = file->private_data; + struct soc_camera_device *icd = file->private_data; struct sh_mobile_ceu_buffer *buf; - buf = list_entry(icf->vb_vidq.stream.next, + buf = list_entry(icd->vb_vidq.stream.next, struct sh_mobile_ceu_buffer, vb.stream); poll_wait(file, &buf->vb.done, pt); |