From: Takashi Sakamoto o-takashi@sakamocchi.jp
commit fc36ef80ca2c68b2c9df06178048f08280e4334f upstream.
My previous refactoring for ALSA firewire-motu driver brought regression to handle MOTU 8pre FireWire. The packet format is not operated correctly.
Cc: stable@vger.kernel.org Fixes: dfbaa4dc11eb ("ALSA: firewire-motu: add model-specific table of chunk count") Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp Link: https://lore.kernel.org/r/20210614083133.39753-1-o-takashi@sakamocchi.jp Signed-off-by: Takashi Iwai tiwai@suse.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- sound/firewire/motu/motu-protocol-v2.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
--- a/sound/firewire/motu/motu-protocol-v2.c +++ b/sound/firewire/motu/motu-protocol-v2.c @@ -353,6 +353,7 @@ const struct snd_motu_spec snd_motu_spec .protocol_version = SND_MOTU_PROTOCOL_V2, .flags = SND_MOTU_SPEC_RX_MIDI_2ND_Q | SND_MOTU_SPEC_TX_MIDI_2ND_Q, - .tx_fixed_pcm_chunks = {10, 6, 0}, - .rx_fixed_pcm_chunks = {10, 6, 0}, + // Two dummy chunks always in the end of data block. + .tx_fixed_pcm_chunks = {10, 10, 0}, + .rx_fixed_pcm_chunks = {6, 6, 0}, };