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[media] media: blackfin: bfin_capture: make sure all buffers are returned on stop_streaming() callback 

In start_streaming() callback the buffer is removed from the
dma_queue list and assigned to cur_frm, this patch makes sure
that is returned to vb2 core with VB2_BUF_STATE_ERROR flag.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Tested-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Lad, Prabhakar 2015-03-08 11:40:45 -03:00 committed by Mauro Carvalho Chehab
parent d61233bf4c
commit 2bf34b2f09
1 changed files with 3 additions and 0 deletions
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3
drivers/media/platform/blackfin/bfin_capture.c
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@ -374,6 +374,9 @@ static void bcap_stop_streaming(struct vb2_queue *vq)
"stream off failed in subdev\n");
/* release all active buffers */
if (bcap_dev->cur_frm)
vb2_buffer_done(&bcap_dev->cur_frm->vb, VB2_BUF_STATE_ERROR);
while (!list_empty(&bcap_dev->dma_queue)) {
bcap_dev->cur_frm = list_entry(bcap_dev->dma_queue.next,
struct bcap_buffer, list);