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-rw-r--r--sound/firewire/bebob/bebob_stream.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/sound/firewire/bebob/bebob_stream.c b/sound/firewire/bebob/bebob_stream.c
index 9c810f9ec8d6..d0df6c17f7f7 100644
--- a/sound/firewire/bebob/bebob_stream.c
+++ b/sound/firewire/bebob/bebob_stream.c
@@ -540,6 +540,17 @@ int snd_bebob_stream_init_duplex(struct snd_bebob *bebob)
/* See comments in next function */
init_completion(&bebob->bus_reset);
bebob->tx_stream.flags |= CIP_SKIP_INIT_DBC_CHECK;
+
+ /*
+ * BeBoB v3 transfers packets with these qurks:
+ * - In the beginning of streaming, the value of dbc is incremented
+ * even if no data blocks are transferred.
+ * - The value of dbc is reset suddenly.
+ */
+ if (bebob->version > 2)
+ bebob->tx_stream.flags |= CIP_EMPTY_HAS_WRONG_DBC |
+ CIP_SKIP_DBC_ZERO_CHECK;
+
/*
* At high sampling rate, M-Audio special firmware transmits empty
* packet with the value of dbc incremented by 8 but the others are