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[media] media: blackfin: bfin_capture: set v4l2 buffer sequence 

this patch adds support to set the v4l2 buffer sequence.

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 11:40:51 -03:00 committed by Mauro Carvalho Chehab
parent 812447e587
commit 9d490e529d
1 changed files with 5 additions and 0 deletions
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5
drivers/media/platform/blackfin/bfin_capture.c
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@ -103,6 +103,8 @@ struct bcap_device {
struct completion comp;
/* prepare to stop */
bool stop;
/* vb2 buffer sequence counter */
unsigned sequence;
};
static const struct bcap_format bcap_formats[] = {
@ -333,6 +335,8 @@ static int bcap_start_streaming(struct vb2_queue *vq, unsigned int count)
goto err;
}
bcap_dev->sequence = 0;
reinit_completion(&bcap_dev->comp);
bcap_dev->stop = false;
@ -411,6 +415,7 @@ static irqreturn_t bcap_isr(int irq, void *dev_id)
vb2_buffer_done(vb, VB2_BUF_STATE_ERROR);
ppi->err = false;
} else {
vb->v4l2_buf.sequence = bcap_dev->sequence++;
vb2_buffer_done(vb, VB2_BUF_STATE_DONE);
}
bcap_dev->cur_frm = list_entry(bcap_dev->dma_queue.next,