diff options
| author | Hans Verkuil | 2015-06-15 13:33:37 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2015-08-11 14:52:16 +0200 |
| commit | eb01b1bca9ac7644f178384a594881f2b3433773 (patch) | |
| tree | 0c94fa4a17176c88a924e8c07103f8cf8a33fee0 /drivers/media/platform | |
| parent | [media] soc_camera: fix enum_input (diff) | |
| download | kernel-qcow2-linux-eb01b1bca9ac7644f178384a594881f2b3433773.tar.gz kernel-qcow2-linux-eb01b1bca9ac7644f178384a594881f2b3433773.tar.xz kernel-qcow2-linux-eb01b1bca9ac7644f178384a594881f2b3433773.zip | |
[media] soc_camera: fix expbuf support
- For vb1 drivers just return -ENOTTY.
- For vb2 drivers allow vb2_expbuf without there being a stream owner:
the vb2_expbuf function will return the correct error message in that case.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/platform')
| -rw-r--r-- | drivers/media/platform/soc_camera/soc_camera.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c index f24062ddd4cd..5f1e5a8cbab4 100644 --- a/drivers/media/platform/soc_camera/soc_camera.c +++ b/drivers/media/platform/soc_camera/soc_camera.c @@ -470,14 +470,13 @@ static int soc_camera_expbuf(struct file *file, void *priv, struct soc_camera_device *icd = file->private_data; struct soc_camera_host *ici = to_soc_camera_host(icd->parent); - if (icd->streamer != file) - return -EBUSY; - /* videobuf2 only */ if (ici->ops->init_videobuf) - return -EINVAL; - else - return vb2_expbuf(&icd->vb2_vidq, p); + return -ENOTTY; + + if (icd->streamer && icd->streamer != file) + return -EBUSY; + return vb2_expbuf(&icd->vb2_vidq, p); } /* Always entered with .host_lock held */ |