ALSA: firewire-tascam: notify events of change of state for userspace applications

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In former commits, ALSA firewire-tascam driver queues events to notify
change of state of control surface to userspace via ALSA hwdep
interface.

This commit implements actual notification of the events. The events are
not governed by real time, thus no need to care underrun.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Takashi Sakamoto 2018-11-23 13:13:07 +09:00 • committed by Takashi Iwai

parent afb8e2daa0

commit a8c0d13267

3 changed files with 72 additions and 2 deletions

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7

include/uapi/sound/firewire.h

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