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authorTakashi Sakamoto <o-takashi@sakamocchi.jp>2014-04-25 22:45:07 +0900
committerTakashi Iwai <tiwai@suse.de>2014-05-26 14:26:44 +0200
commitb84b1a27b48eb3aea13127f83ec291c614df2992 (patch)
treed779e0cfc2767a4dece6ba47104a88ed23ceb927 /sound/firewire/fireworks
parentd9cd0065c8a48dd0ef61acaa9584e3e723249c57 (diff)
ALSA: fireworks/firewire-lib: Add a quirk to reset data block counter at bus reset
Fireworks has a quirk to reset data block counter at bus reset. This commit adds a flag of CIP_SKIP_DBC_ZERO_CHECK. This flag has an effect to skip checking dbc continuity when dbc is zero. Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/firewire/fireworks')
-rw-r--r--sound/firewire/fireworks/fireworks_stream.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/firewire/fireworks/fireworks_stream.c b/sound/firewire/fireworks/fireworks_stream.c
index c75c2ef2ae31..3a3f203177b1 100644
--- a/sound/firewire/fireworks/fireworks_stream.c
+++ b/sound/firewire/fireworks/fireworks_stream.c
@@ -198,6 +198,8 @@ int snd_efw_stream_init_duplex(struct snd_efw *efw)
efw->tx_stream.flags |= CIP_EMPTY_WITH_TAG0;
/* Fireworks has its own meaning for dbc. */
efw->tx_stream.flags |= CIP_DBC_IS_END_EVENT;
+ /* Fireworks reset dbc at bus reset. */
+ efw->tx_stream.flags |= CIP_SKIP_DBC_ZERO_CHECK;
/* AudioFire9 always reports wrong dbs. */
if (efw->is_af9)
efw->tx_stream.flags |= CIP_WRONG_DBS;