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Staging: dt3155v4l: update to newer API

PATCH In review Dan Carpenter 2 participants 2 messages Dec 22, 2011

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#0 lore raw

PATCH 1/2 Staging: dt3155v4l: update to newer API

I changed the function definitions for dt3155_queue_setup() to match the newer API. The dt3155_start_streaming() function didn't do anything so I just removed it.

This silences the following gcc warnings:
drivers/staging/media/dt3155v4l/dt3155v4l.c:307:2: warning: initialization from incompatible pointer type [enabled by default] drivers/staging/media/dt3155v4l/dt3155v4l.c:307:2: warning: (near initialization for ‘q_ops.queue_setup’) [enabled by default] drivers/staging/media/dt3155v4l/dt3155v4l.c:311:2: warning: initialization from incompatible pointer type [enabled by default] drivers/staging/media/dt3155v4l/dt3155v4l.c:311:2: warning: (near initialization for ‘q_ops.start_streaming’) [enabled by default]

---
Please double check that this is sufficient. I'm not very familiar with this code.

drivers/staging/media/dt3155v4l/dt3155v4l.c +4 -10
index 04e93c4..25c6025 100644
@@ -218,9 +218,10 @@ dt3155_start_acq(struct dt3155_priv *pd)
  *	driver-specific callbacks (vb2_ops)
  */
 static int
-dt3155_queue_setup(struct vb2_queue *q, unsigned int *num_buffers,
-			unsigned int *num_planes, unsigned long sizes[],
-						void *alloc_ctxs[])
+dt3155_queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
+		unsigned int *num_buffers, unsigned int *num_planes,
+		unsigned int sizes[], void *alloc_ctxs[])
+
 {
 	struct dt3155_priv *pd = vb2_get_drv_priv(q);
 	void *ret;
@@ -262,12 +263,6 @@ dt3155_buf_prepare(struct vb2_buffer *vb)
 }
 
 static int
-dt3155_start_streaming(struct vb2_queue *q)
-{
-	return 0;
-}
-
-static int
 dt3155_stop_streaming(struct vb2_queue *q)
 {
 	struct dt3155_priv *pd = vb2_get_drv_priv(q);
@@ -308,7 +303,6 @@ const struct vb2_ops q_ops = {
 	.wait_prepare = dt3155_wait_prepare,
 	.wait_finish = dt3155_wait_finish,
 	.buf_prepare = dt3155_buf_prepare,
-	.start_streaming = dt3155_start_streaming,
 	.stop_streaming = dt3155_stop_streaming,
 	.buf_queue = dt3155_buf_queue,
 };
Acked-by on v1 1/2
#1 lore raw

Hello,

Quoted 14 lines · Dan Carpenter

I changed the function definitions for dt3155_queue_setup() to match the newer API. The dt3155_start_streaming() function didn't do anything so I just removed it.

This silences the following gcc warnings:
drivers/staging/media/dt3155v4l/dt3155v4l.c:307:2: warning: initialization from incompatible pointer type [enabled by default] drivers/staging/media/dt3155v4l/dt3155v4l.c:307:2: warning: (near initialization for ‘q_ops.queue_setup’) [enabled by default] drivers/staging/media/dt3155v4l/dt3155v4l.c:311:2: warning: initialization from incompatible pointer type [enabled by default] drivers/staging/media/dt3155v4l/dt3155v4l.c:311:2: warning: (near initialization for ‘q_ops.start_streaming’) [enabled by default]

Quoted 1 line

It looks correct.

Quoted 37 lines

---
Please double check that this is sufficient. I'm not very familiar with this code.

drivers/staging/media/dt3155v4l/dt3155v4l.c +4 -9
index 04e93c4..25c6025 100644
@@ -218,9 +218,10 @@ dt3155_start_acq(struct dt3155_priv *pd)
  *	driver-specific callbacks (vb2_ops)
  */
 static int
-dt3155_queue_setup(struct vb2_queue *q, unsigned int *num_buffers,
-			unsigned int *num_planes, unsigned long sizes[],
-						void *alloc_ctxs[])
+dt3155_queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt,
+		unsigned int *num_buffers, unsigned int *num_planes,
+		unsigned int sizes[], void *alloc_ctxs[])
+
 {
 	struct dt3155_priv *pd = vb2_get_drv_priv(q);
 	void *ret;
@@ -262,12 +263,6 @@ dt3155_buf_prepare(struct vb2_buffer *vb)
 }
 
 static int
-dt3155_start_streaming(struct vb2_queue *q)
-{
-	return 0;
-}
-
-static int
 dt3155_stop_streaming(struct vb2_queue *q)
 {
 	struct dt3155_priv *pd = vb2_get_drv_priv(q);

drivers/staging/media/dt3155v4l/dt3155v4l.c const struct vb2_ops q_ops = { · line 308

Quoted 7 lines
drivers/staging/media/dt3155v4l/dt3155v4l.c +0 -1
@@ -308,7 +303,6 @@ const struct vb2_ops q_ops = {
 	.wait_prepare = dt3155_wait_prepare,
 	.wait_finish = dt3155_wait_finish,
 	.buf_prepare = dt3155_buf_prepare,
-	.start_streaming = dt3155_start_streaming,
 	.stop_streaming = dt3155_stop_streaming,
 	.buf_queue = dt3155_buf_queue,
 };

Best regards

Signature · 2 lines
Marek Szyprowski
Samsung Poland R&D Center