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Subject[PATCH 03/15] media: davinci: vpbe: use vb2_ops_wait_prepare/finish helper functions
Date
this patch makes use of vb2_ops_wait_prepare/finish helper functions.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
---
drivers/media/platform/davinci/vpbe_display.c | 20 +++-----------------
1 file changed, 3 insertions(+), 17 deletions(-)

diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c
index e2bda17..6f9599d 100644
--- a/drivers/media/platform/davinci/vpbe_display.c
+++ b/drivers/media/platform/davinci/vpbe_display.c
@@ -308,20 +308,6 @@ static void vpbe_buf_cleanup(struct vb2_buffer *vb)
spin_unlock_irqrestore(&layer->irqlock, flags);
}

-static void vpbe_wait_prepare(struct vb2_queue *vq)
-{
- struct vpbe_layer *layer = vb2_get_drv_priv(vq);
-
- mutex_unlock(&layer->opslock);
-}
-
-static void vpbe_wait_finish(struct vb2_queue *vq)
-{
- struct vpbe_layer *layer = vb2_get_drv_priv(vq);
-
- mutex_lock(&layer->opslock);
-}
-
static int vpbe_start_streaming(struct vb2_queue *vq, unsigned int count)
{
struct vpbe_layer *layer = vb2_get_drv_priv(vq);
@@ -394,8 +380,8 @@ static void vpbe_stop_streaming(struct vb2_queue *vq)

static struct vb2_ops video_qops = {
.queue_setup = vpbe_buffer_queue_setup,
- .wait_prepare = vpbe_wait_prepare,
- .wait_finish = vpbe_wait_finish,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
.buf_prepare = vpbe_buffer_prepare,
.start_streaming = vpbe_start_streaming,
.stop_streaming = vpbe_stop_streaming,
@@ -1749,7 +1735,7 @@ static int vpbe_display_probe(struct platform_device *pdev)
q->buf_struct_size = sizeof(struct vpbe_disp_buffer);
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->min_buffers_needed = 1;
-
+ q->lock = &disp_dev->dev[i]->opslock;
err = vb2_queue_init(q);
if (err) {
v4l2_err(v4l2_dev, "vb2_queue_init() failed\n");
--
1.9.1


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