ALSA: firewire-motu: queue event for parameter change in register DSP model
authorTakashi Sakamoto <o-takashi@sakamocchi.jp>
Fri, 15 Oct 2021 08:08:25 +0000 (17:08 +0900)
committerTakashi Iwai <tiwai@suse.de>
Fri, 15 Oct 2021 15:52:16 +0000 (17:52 +0200)
commit4c9eda8f37f9523f1d2ccbb442ce641e8c981c9f
tree21f964106e02f916c1bfecb436ebce20d779782b
parentca15a09ccc5bd2731c5fcb667e6ea3bbbf8f5772
ALSA: firewire-motu: queue event for parameter change in register DSP model

This commit is a preparation to notify parameter change of register DSP
to userspace application. A simple queue is added to store encoded data
for the change as long as ALSA hwdep character device is opened by
application.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20211015080826.34847-11-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/firewire/motu/motu-hwdep.c
sound/firewire/motu/motu-register-dsp-message-parser.c
sound/firewire/motu/motu.h