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| author |   Hans Verkuil <hverkuil@xs4all.nl> | 2009-02-18 17:15:46 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 12:42:56 -0300 |
| commit | 84c1b09495ea366276726b0df2dcd7898cda9d0f (patch) | |
| tree | f9d6a6726b322b36737f184bf594c6a6841b1d66 /drivers/media/video/zoran/zoran_driver.c | |
| parent | V4L/DVB (10712): zoran: fix G_FMT (diff) | |
| download | linux-dev-84c1b09495ea366276726b0df2dcd7898cda9d0f.tar.xz linux-dev-84c1b09495ea366276726b0df2dcd7898cda9d0f.zip | |
V4L/DVB (10713): zoran: if reqbufs is called with count == 0, do a streamoff.
count == 0 has a special meaning, implement this.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/zoran/zoran_driver.c')
| -rw-r--r-- | drivers/media/video/zoran/zoran_driver.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/media/video/zoran/zoran_driver.c b/drivers/media/video/zoran/zoran_driver.c index 7129f9254e70..07f2bdfef4ee 100644 --- a/drivers/media/video/zoran/zoran_driver.c +++ b/drivers/media/video/zoran/zoran_driver.c @@ -2493,6 +2493,8 @@ static int zoran_overlay(struct file *file, void *__fh, unsigned int on) return res; } +static int zoran_streamoff(struct file *file, void *__fh, enum v4l2_buf_type type); + static int zoran_reqbufs(struct file *file, void *__fh, struct v4l2_requestbuffers *req) { struct zoran_fh *fh = __fh; @@ -2500,17 +2502,19 @@ static int zoran_reqbufs(struct file *file, void *__fh, struct v4l2_requestbuffe int res = 0; if (req->memory != V4L2_MEMORY_MMAP) { - dprintk(1, + dprintk(2, KERN_ERR "%s: only MEMORY_MMAP capture is supported, not %d\n", ZR_DEVNAME(zr), req->memory); return -EINVAL; } - mutex_lock(&zr->resource_lock); + if (req->count == 0) + return zoran_streamoff(file, fh, req->type); + mutex_lock(&zr->resource_lock); if (fh->v4l_buffers.allocated || fh->jpg_buffers.allocated) { - dprintk(1, + dprintk(2, KERN_ERR "%s: VIDIOC_REQBUFS - buffers already allocated\n", ZR_DEVNAME(zr)); |