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>
diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h
index 05f1b8b..42c75c9 100644
--- a/sound/firewire/amdtp.h
+++ b/sound/firewire/amdtp.h
@@ -23,6 +23,8 @@
* corresponds to the end of event in the packet. Out of IEC 61883.
* @CIP_WRONG_DBS: Only for in-stream. The value of dbs is wrong in in-packets.
* The value of data_block_quadlets is used instead of reported value.
+ * @SKIP_DBC_ZERO_CHECK: Only for in-stream. Packets with zero in dbc is
+ * skipped for detecting discontinuity.
*/
enum cip_flags {
CIP_NONBLOCKING = 0x00,
@@ -31,6 +33,7 @@
CIP_EMPTY_WITH_TAG0 = 0x04,
CIP_DBC_IS_END_EVENT = 0x08,
CIP_WRONG_DBS = 0x10,
+ CIP_SKIP_DBC_ZERO_CHECK = 0x20,
};
/**