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V4L/DVB: gspca - main: Restart streaming after reqbuf

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Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jean-François Moine 2010-04-09 06:07:58 -03:00 committed by Mauro Carvalho Chehab
parent 18bf99aa0c
commit 832d0a9130
1 changed files with 5 additions and 2 deletions
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7
drivers/media/video/gspca/gspca.c
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@ -1503,7 +1503,7 @@ static int vidioc_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *rb)
{
struct gspca_dev *gspca_dev = priv;
int i, ret = 0;
int i, ret = 0, streaming;
switch (rb->memory) {
case GSPCA_MEMORY_READ: /* (internal call) */
@ -1538,7 +1538,8 @@ static int vidioc_reqbufs(struct file *file, void *priv,
}
/* stop streaming */
if (gspca_dev->streaming) {
streaming = gspca_dev->streaming;
if (streaming) {
mutex_lock(&gspca_dev->usb_lock);
gspca_dev->usb_err = 0;
gspca_stream_off(gspca_dev);
@ -1557,6 +1558,8 @@ static int vidioc_reqbufs(struct file *file, void *priv,
if (ret == 0) {
rb->count = gspca_dev->nframes;
gspca_dev->capt_file = file;
if (streaming)
ret = gspca_init_transfer(gspca_dev);
}
out:
mutex_unlock(&gspca_dev->queue_lock);