V4L/DVB (6713): ivtv: ivtv_yuv_prep_frame breakup and yuv hardware buffer changes

ivtv_yuv_prep_frame is split in smaller code blocks.

Modified yuv buffer handling on the PVR350 itself. We now cycle through all 8
hardware buffers.

With this patch in place, driver behaviour should remain unchanged from the
existing release.

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>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c
index 48db22cc1bd8..e3020f456641 100644
--- a/drivers/media/video/ivtv/ivtv-driver.c
+++ b/drivers/media/video/ivtv/ivtv-driver.c
@@ -697,6 +697,7 @@ static int __devinit ivtv_init_struct1(struct ivtv *itv)
         atomic_set(&itv->yuv_info.next_dma_frame, -1);
         itv->yuv_info.lace_mode = ivtv_yuv_mode;
         itv->yuv_info.lace_threshold = ivtv_yuv_threshold;
+        itv->yuv_info.max_frames_buffered = 3;
         return 0;
 }