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authorIan Armstrong <ian@iarmst.demon.co.uk>2010-05-23 22:27:49 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-06-01 01:24:35 -0300
commit666092c679f7d9eb9f5230087f960a487fda721c (patch)
tree8bb8944e41e86f89f82784168277df74c9c8b179 /drivers/media/video/ivtv/ivtv-streams.c
parentbd62307b20ff864c48541e46c3ee2bb9cc330f64 (diff)
V4L/DVB: ivtv: Timing tweaks and code re-order to try and improve stability
Added small delay on device open & close to allow hardware to settle. Move yuv register restore to before the decoder firmware call to stop playback. Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk> Signed-off-by: Andy Walls <awalls@md.metrocast.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-streams.c')
-rw-r--r--drivers/media/video/ivtv/ivtv-streams.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c
index 5441dc20596..9ecacab4b89 100644
--- a/drivers/media/video/ivtv/ivtv-streams.c
+++ b/drivers/media/video/ivtv/ivtv-streams.c
@@ -670,6 +670,10 @@ static int ivtv_setup_v4l2_decode_stream(struct ivtv_stream *s)
width, height, p->audio_properties)) {
IVTV_DEBUG_WARN("Couldn't initialize decoder source\n");
}
+
+ /* Decoder sometimes dies here, so wait a moment */
+ ivtv_msleep_timeout(10, 0);
+
return 0;
}
@@ -709,6 +713,9 @@ int ivtv_start_v4l2_decode_stream(struct ivtv_stream *s, int gop_offset)
/* start playback */
ivtv_vapi(itv, CX2341X_DEC_START_PLAYBACK, 2, gop_offset, 0);
+ /* Let things settle before we actually start */
+ ivtv_msleep_timeout(10, 0);
+
/* Clear the following Interrupt mask bits for decoding */
ivtv_clear_irq_mask(itv, IVTV_IRQ_MASK_DECODE);
IVTV_DEBUG_IRQ("IRQ Mask is now: 0x%08x\n", itv->irqmask);