summaryrefslogtreecommitdiff
path: root/sound/firewire/fireworks/fireworks_stream.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2015-08-20 11:48:56 +0200
committerIngo Molnar <mingo@kernel.org>2015-08-20 11:48:56 +0200
commit40a2ea1bd988e3bbdb07a0708681fdb05cd7d267 (patch)
tree05806aaa27a4b0516a14a8ccf703c1501500e588 /sound/firewire/fireworks/fireworks_stream.c
parenta897b5f0393a8a05d230c9248dc5324fb30720a0 (diff)
parent196676497f2507966f99abef63bede6a8550f8b3 (diff)
downloadlinux-40a2ea1bd988e3bbdb07a0708681fdb05cd7d267.tar.gz
linux-40a2ea1bd988e3bbdb07a0708681fdb05cd7d267.tar.bz2
linux-40a2ea1bd988e3bbdb07a0708681fdb05cd7d267.zip
Merge branch 'perf/urgent' into perf/core, to pick up fixes before adding more changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'sound/firewire/fireworks/fireworks_stream.c')
-rw-r--r--sound/firewire/fireworks/fireworks_stream.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/firewire/fireworks/fireworks_stream.c b/sound/firewire/fireworks/fireworks_stream.c
index c55db1bddc80..7e353f1f7bff 100644
--- a/sound/firewire/fireworks/fireworks_stream.c
+++ b/sound/firewire/fireworks/fireworks_stream.c
@@ -172,6 +172,15 @@ int snd_efw_stream_init_duplex(struct snd_efw *efw)
efw->tx_stream.flags |= CIP_DBC_IS_END_EVENT;
/* Fireworks reset dbc at bus reset. */
efw->tx_stream.flags |= CIP_SKIP_DBC_ZERO_CHECK;
+ /*
+ * But Recent firmwares starts packets with non-zero dbc.
+ * Driver version 5.7.6 installs firmware version 5.7.3.
+ */
+ if (efw->is_fireworks3 &&
+ (efw->firmware_version == 0x5070000 ||
+ efw->firmware_version == 0x5070300 ||
+ efw->firmware_version == 0x5080000))
+ efw->tx_stream.tx_first_dbc = 0x02;
/* AudioFire9 always reports wrong dbs. */
if (efw->is_af9)
efw->tx_stream.flags |= CIP_WRONG_DBS;