[media] media: davinci: vpif_display: use vb2_ops_wait_prepare/finish helper functions

this patch makes use of vb2_ops_wait_prepare/finish helper functions.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c
index e2102ea..8bb9f02 100644 (file)
--- a/drivers/media/platform/davinci/vpif_display.c
+++ b/drivers/media/platform/davinci/vpif_display.c
@@ -187,24 +187,6 @@ static void vpif_buf_cleanup(struct vb2_buffer *vb)
        spin_unlock_irqrestore(&common->irqlock, flags);
 }
 
-static void vpif_wait_prepare(struct vb2_queue *vq)
-{
-       struct channel_obj *ch = vb2_get_drv_priv(vq);
-       struct common_obj *common;
-
-       common = &ch->common[VPIF_VIDEO_INDEX];
-       mutex_unlock(&common->lock);
-}
-
-static void vpif_wait_finish(struct vb2_queue *vq)
-{
-       struct channel_obj *ch = vb2_get_drv_priv(vq);
-       struct common_obj *common;
-
-       common = &ch->common[VPIF_VIDEO_INDEX];
-       mutex_lock(&common->lock);
-}
-
 static u8 channel_first_int[VPIF_NUMOBJECTS][2] = { {1, 1} };
 
 static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count)
@@ -339,8 +321,8 @@ static void vpif_stop_streaming(struct vb2_queue *vq)
 
 static struct vb2_ops video_qops = {
        .queue_setup            = vpif_buffer_queue_setup,
-       .wait_prepare           = vpif_wait_prepare,
-       .wait_finish            = vpif_wait_finish,
+       .wait_prepare           = vb2_ops_wait_prepare,
+       .wait_finish            = vb2_ops_wait_finish,
        .buf_prepare            = vpif_buffer_prepare,
        .start_streaming        = vpif_start_streaming,
        .stop_streaming         = vpif_stop_streaming,
@@ -1649,6 +1631,7 @@ static int vpif_probe_complete(void)
                q->buf_struct_size = sizeof(struct vpif_disp_buffer);
                q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
                q->min_buffers_needed = 1;
+               q->lock = &common->lock;
 
                err = vb2_queue_init(q);
                if (err) {