summaryrefslogtreecommitdiff
path: root/sound/firewire/amdtp-stream.h
diff options
context:
space:
mode:
Diffstat (limited to 'sound/firewire/amdtp-stream.h')
-rw-r--r--sound/firewire/amdtp-stream.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/firewire/amdtp-stream.h b/sound/firewire/amdtp-stream.h
index b7ff44751ab9..775db3fc4959 100644
--- a/sound/firewire/amdtp-stream.h
+++ b/sound/firewire/amdtp-stream.h
@@ -37,6 +37,9 @@
* the value of current SYT_INTERVAL; e.g. initial value is not zero.
* @CIP_UNAWARE_SYT: For outgoing packet, the value in SYT field of CIP is 0xffff.
* For incoming packet, the value in SYT field of CIP is not handled.
+ * @CIP_DBC_IS_PAYLOAD_QUADLETS: Available for incoming packet, and only effective with
+ * CIP_DBC_IS_END_EVENT flag. The value of dbc field is the number of accumulated quadlets
+ * in CIP payload, instead of the number of accumulated data blocks.
*/
enum cip_flags {
CIP_NONBLOCKING = 0x00,
@@ -51,6 +54,7 @@ enum cip_flags {
CIP_NO_HEADER = 0x100,
CIP_UNALIGHED_DBC = 0x200,
CIP_UNAWARE_SYT = 0x400,
+ CIP_DBC_IS_PAYLOAD_QUADLETS = 0x800,
};
/**
@@ -187,6 +191,7 @@ struct amdtp_stream {
/* For a PCM substream processing. */
struct snd_pcm_substream *pcm;
+ struct work_struct period_work;
snd_pcm_uframes_t pcm_buffer_pointer;
unsigned int pcm_period_pointer;
unsigned int pcm_frame_multiplier;