This commit uses table-based calculation of packet formats for stream management. Signed-off-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx> --- sound/firewire/motu/amdtp-motu.c | 12 ++++-------- sound/firewire/motu/motu-stream.c | 4 ++-- 2 files changed, 6 insertions(+), 10 deletions(-) diff --git a/sound/firewire/motu/amdtp-motu.c b/sound/firewire/motu/amdtp-motu.c index 17c9ea8eb4c8..edb31ac26868 100644 --- a/sound/firewire/motu/amdtp-motu.c +++ b/sound/firewire/motu/amdtp-motu.c @@ -76,15 +76,11 @@ int amdtp_motu_set_parameters(struct amdtp_stream *s, unsigned int rate, if (i == ARRAY_SIZE(snd_motu_clock_rates)) return -EINVAL; - pcm_chunks = formats->fixed_part_pcm_chunks[mode] + - formats->differed_part_pcm_chunks[mode]; + // Each data block includes SPH in its head. Data chunks follow with + // 3 byte alignment. Padding follows with zero to conform to quadlet + // alignment. + pcm_chunks = formats->pcm_chunks[mode]; data_chunks = formats->msg_chunks + pcm_chunks; - - /* - * Each data block includes SPH in its head. Data chunks follow with - * 3 byte alignment. Padding follows with zero to conform to quadlet - * alignment. - */ data_block_quadlets = 1 + DIV_ROUND_UP(data_chunks * 3, 4); err = amdtp_stream_set_parameters(s, rate, data_block_quadlets); diff --git a/sound/firewire/motu/motu-stream.c b/sound/firewire/motu/motu-stream.c index 87a8d9016f83..2028c5419f6f 100644 --- a/sound/firewire/motu/motu-stream.c +++ b/sound/firewire/motu/motu-stream.c @@ -201,9 +201,9 @@ static int ensure_packet_formats(struct snd_motu *motu) data &= ~(TX_PACKET_EXCLUDE_DIFFERED_DATA_CHUNKS | RX_PACKET_EXCLUDE_DIFFERED_DATA_CHUNKS| TX_PACKET_TRANSMISSION_SPEED_MASK); - if (motu->tx_packet_formats.differed_part_pcm_chunks[0] == 0) + if (motu->spec->tx_fixed_pcm_chunks[0] == motu->tx_packet_formats.pcm_chunks[0]) data |= TX_PACKET_EXCLUDE_DIFFERED_DATA_CHUNKS; - if (motu->rx_packet_formats.differed_part_pcm_chunks[0] == 0) + if (motu->spec->rx_fixed_pcm_chunks[0] == motu->rx_packet_formats.pcm_chunks[0]) data |= RX_PACKET_EXCLUDE_DIFFERED_DATA_CHUNKS; data |= fw_parent_device(motu->unit)->max_speed; -- 2.25.1
