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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>
This commit is contained in:
Ian Armstrong 2007-10-21 08:09:10 -03:00 committed by Mauro Carvalho Chehab
parent a3e5f5e2df
commit 166983cdfb
1 changed files with 1 additions and 1 deletions
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2
drivers/media/video/ivtv/ivtv-irq.c
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@ -797,7 +797,7 @@ static void ivtv_irq_vsync(struct ivtv *itv)
/* Check if we need to update the yuv registers */ /* 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->yuv_forced_update || yi->new_frame_info[last_dma_frame].update) && last_dma_frame != -1) {
if (!yi->new_frame_info[last_dma_frame].update) 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) { if (yi->new_frame_info[last_dma_frame].src_w) {
yi->update_frame = last_dma_frame; yi->update_frame = last_dma_frame;