diff options
Diffstat (limited to 'sound/firewire/tascam/amdtp-tascam.c')
| -rw-r--r-- | sound/firewire/tascam/amdtp-tascam.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/sound/firewire/tascam/amdtp-tascam.c b/sound/firewire/tascam/amdtp-tascam.c index ab482423c165..516cb931fd5e 100644 --- a/sound/firewire/tascam/amdtp-tascam.c +++ b/sound/firewire/tascam/amdtp-tascam.c @@ -117,6 +117,21 @@ int amdtp_tscm_add_pcm_hw_constraints(struct amdtp_stream *s, return amdtp_stream_add_pcm_hw_constraints(s, runtime); } +static void read_status_messages(struct amdtp_stream *s, + __be32 *buffer, unsigned int data_blocks) +{ + struct snd_tscm *tscm = container_of(s, struct snd_tscm, tx_stream); + int i; + + for (i = 0; i < data_blocks; i++) { + unsigned int index; + + index = be32_to_cpu(buffer[0]) % SNDRV_FIREWIRE_TASCAM_STATE_COUNT; + tscm->state[index] = buffer[s->data_block_quadlets - 1]; + buffer += s->data_block_quadlets; + } +} + static unsigned int process_tx_data_blocks(struct amdtp_stream *s, __be32 *buffer, unsigned int data_blocks, @@ -128,7 +143,7 @@ static unsigned int process_tx_data_blocks(struct amdtp_stream *s, if (data_blocks > 0 && pcm) read_pcm_s32(s, pcm, buffer, data_blocks); - /* A place holder for control messages. */ + read_status_messages(s, buffer, data_blocks); return data_blocks; } |