From: John Tsiombikas <nuclear@mutantstargoat.com>
Date: Sun, 14 May 2017 01:59:52 +0000 (+0300)
Subject: try, try again
X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=vdummy;a=commitdiff_plain;h=9571424cab6f4f6c2d0711782f715e54310dcb81;ds=sidebyside

try, try again
---

diff --git a/vdummy.c b/vdummy.c
index b0caa82..9848db6 100644
--- a/vdummy.c
+++ b/vdummy.c
@@ -14,7 +14,7 @@
 #include <media/v4l2-event.h>
 
 struct buffer {
-	struct vb2_buffer vb;
+	struct vb2_v4l2_buffer vb;
 	struct buffer *next;
 };
 
@@ -268,7 +268,6 @@ static int buf_prepare(struct vb2_buffer *vb)
 		printk(KERN_ALERT "vdummy: buffer too small\n");
 		return -EINVAL;
 	}
-	vb2_set_plane_payload(vb, 0, frame_size);
 	return 0;
 }
 
@@ -293,7 +292,7 @@ static void clear_queue(enum vb2_buffer_state st)
 	while(buflist) {
 		struct buffer *buf = buflist;
 		buflist = buflist->next;
-		vb2_buffer_done(&buf->vb, st);
+		vb2_buffer_done(&buf->vb.vb2_buf, st);
 	}
 	buflist = buflist_tail = 0;
 	spin_unlock(&blist_lock);
@@ -363,15 +362,13 @@ static int gen_frame(void)
 	spin_unlock(&blist_lock);
 
 	if(buf) {
-		struct vb2_v4l2_buffer *vvbuf;
+		memcpy(vb2_plane_vaddr(&buf->vb.vb2_buf, 0), frame, frame_size);
 
-		memcpy(vb2_plane_vaddr(&buf->vb, 0), frame, frame_size);
-
-		vvbuf = to_vb2_v4l2_buffer(&buf->vb);
-		buf->vb.timestamp = ktime_get_ns();
-		vvbuf->sequence = seqno++;
-		vvbuf->field = V4L2_FIELD_NONE;
-		vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE);
+		buf->vb.vb2_buf.timestamp = ktime_get_ns();
+		buf->vb.sequence = seqno++;
+		buf->vb.field = V4L2_FIELD_NONE;
+		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
+		vb2_set_plane_payload(&buf->vb.vb2_buf, 0, frame_size);
 	}
 
 	return 0;