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Message-Id: <20210712060925.673395934@linuxfoundation.org>
Date: Mon, 12 Jul 2021 08:01:29 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Takashi Sakamoto <o-takashi@...amocchi.jp>,
Takashi Iwai <tiwai@...e.de>
Subject: [PATCH 5.12 006/700] ALSA: firewire-motu: fix stream format for MOTU 8pre FireWire
From: Takashi Sakamoto <o-takashi@...amocchi.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@...r.kernel.org>
Fixes: dfbaa4dc11eb ("ALSA: firewire-motu: add model-specific table of chunk count")
Signed-off-by: Takashi Sakamoto <o-takashi@...amocchi.jp>
Link: https://lore.kernel.org/r/20210614083133.39753-1-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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},
};
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