V4L/DVB: gspca - main: Restart streaming after reqbuf
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index 4fb031c..9c9d7ea 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -1503,7 +1503,7 @@
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 @@
}
/* 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 @@
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);