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V4L/DVB: ivtv: Add delay to ensure the decoder always restarts with a blank screen 

Add a short delay when stopping the decoder, allowing it to settle and
preventing some unexpected interaction with other firmware commands.

Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk>
Tested-by: Martin Dauskardt <martin.dauskardt@gmx.de>
Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
hifive-unleashed-5.1
Ian Armstrong 2010-06-20 15:12:28 -03:00 committed by Mauro Carvalho Chehab
parent bd1fc7c596
commit f06b9bd4c6
1 changed files with 3 additions and 0 deletions
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3
drivers/media/video/ivtv/ivtv-streams.c
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@ -912,6 +912,9 @@ int ivtv_stop_v4l2_decode_stream(struct ivtv_stream *s, int flags, u64 pts)
clear_bit(IVTV_F_S_STREAMING, &s->s_flags);
ivtv_flush_queues(s);
/* decoder needs time to settle */
ivtv_msleep_timeout(40, 0);
/* decrement decoding */
atomic_dec(&itv->decoding);