ALSA: fireface: implement message parser for Fireface 400

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This commit implements message parser for Fireface 400 to pass data of
knob control to user space. The parser has FIFO which can store maximum
32 events without no overrun detection since it doesn't matter to lose
the event.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20230112120954.500692-7-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Takashi Sakamoto 2023-01-12 21:09:54 +09:00 • committed by Takashi Iwai

parent c31909fa06

commit acdebd8b4c

1 changed files with 137 additions and 6 deletions

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sound/firewire/fireface/ff-protocol-former.c

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