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[5.10,006/593] ALSA: firewire-motu: fix stream format for MOTU 8pre FireWire

Message ID 20210712060843.866140549@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman July 12, 2021, 6:02 a.m. UTC 
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(-)
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Patch

--- 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},
 };