diff options
| author | Ian Armstrong <ian@iarmst.demon.co.uk> | 2010-05-24 05:27:49 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-06-01 08:24:35 +0400 |
| commit | 666092c679f7d9eb9f5230087f960a487fda721c (patch) | |
| tree | 8bb8944e41e86f89f82784168277df74c9c8b179 /drivers/media | |
| parent | bd62307b20ff864c48541e46c3ee2bb9cc330f64 (diff) | |
| download | linux-666092c679f7d9eb9f5230087f960a487fda721c.tar.xz | |
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')
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-fileops.c | 11 | ||||
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-streams.c | 7 |
2 files changed, 14 insertions, 4 deletions
diff --git a/drivers/media/video/ivtv/ivtv-fileops.c b/drivers/media/video/ivtv/ivtv-fileops.c index abf410943cc9..3c2cc270ccd5 100644 --- a/drivers/media/video/ivtv/ivtv-fileops.c +++ b/drivers/media/video/ivtv/ivtv-fileops.c @@ -823,6 +823,12 @@ static void ivtv_stop_decoding(struct ivtv_open_id *id, int flags, u64 pts) IVTV_DEBUG_FILE("close() of %s\n", s->name); + if (id->type == IVTV_DEC_STREAM_TYPE_YUV && + test_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags)) { + /* Restore registers we've changed & clean up any mess */ + ivtv_yuv_close(itv); + } + /* Stop decoding */ if (test_bit(IVTV_F_S_STREAMING, &s->s_flags)) { IVTV_DEBUG_INFO("close stopping decode\n"); @@ -832,10 +838,7 @@ static void ivtv_stop_decoding(struct ivtv_open_id *id, int flags, u64 pts) } clear_bit(IVTV_F_S_APPL_IO, &s->s_flags); clear_bit(IVTV_F_S_STREAMOFF, &s->s_flags); - if (id->type == IVTV_DEC_STREAM_TYPE_YUV && test_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags)) { - /* Restore registers we've changed & clean up any mess we've made */ - ivtv_yuv_close(itv); - } + if (itv->output_mode == OUT_UDMA_YUV && id->yuv_frames) itv->output_mode = OUT_NONE; diff --git a/drivers/media/video/ivtv/ivtv-streams.c b/drivers/media/video/ivtv/ivtv-streams.c index 5441dc205966..9ecacab4b89b 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); |