Takashi Sakamoto 6b6c17fe6f ALSA: bebob: fix rx packet format for Yamaha GO44/GO46, Terratec Phase 24/x24 ...

Below devices reports zero as the number of channels for external output
plug with MIDI type:

 * Yamaha GO44/GO46
 * Terratec Phase 24/X24

As a result, rx packet format is invalid and they generate silent sound.
This is a regression added in v5.13.

This commit fixes the bug, addressed at a commit 1bd1b3be86 ("ALSA:
bebob: perform sequence replay for media clock recovery").

Cc: <stable@vger.kernel.org>
Fixes: 5c6ea94f2b ("ALSA: bebob: detect the number of available MIDI ports")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20210618040447.113306-1-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>

2021-06-18 09:42:00 +02:00

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