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authorIan Armstrong <ian@iarmst.demon.co.uk>2007-10-21 08:09:10 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-01-25 19:03:10 -0200
commit166983cdfbb2779bec98de89927669ed4c9ff8f2 (patch)
treed958897fc9afa6629117b385964042ccbdc9722c
parenta3e5f5e2dfb50bebca24329e5377d804c6e3eb1b (diff)
V4L/DVB (6714): ivtv: yuv frame parameter fix
Inadvertently missed a line when converting code to new hardware buffering method. In some circumstances, this would lead to a frame being displayed using parameters belonging to another frame. Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
-rw-r--r--drivers/media/video/ivtv/ivtv-irq.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/video/ivtv/ivtv-irq.c b/drivers/media/video/ivtv/ivtv-irq.c
index fc8eac09584..8c00d8f6d4d 100644
--- a/drivers/media/video/ivtv/ivtv-irq.c
+++ b/drivers/media/video/ivtv/ivtv-irq.c
@@ -797,7 +797,7 @@ static void ivtv_irq_vsync(struct ivtv *itv)
/* Check if we need to update the yuv registers */
if ((yi->yuv_forced_update || yi->new_frame_info[last_dma_frame].update) && last_dma_frame != -1) {
if (!yi->new_frame_info[last_dma_frame].update)
- last_dma_frame = (last_dma_frame - 1) & 3;
+ last_dma_frame = (u8)(last_dma_frame - 1) % IVTV_YUV_BUFFERS;
if (yi->new_frame_info[last_dma_frame].src_w) {
yi->update_frame = last_dma_frame;