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ALSA: line6: Add poll callback for hwdep
authorVasily Khoruzhick <anarsoul@gmail.com>
Sat, 2 May 2020 19:31:20 +0000 (12:31 -0700)
committerTakashi Iwai <tiwai@suse.de>
Sat, 2 May 2020 20:31:32 +0000 (22:31 +0200)
commitc55f5692748cdf7b6eee651dd91f4f3a84307e98
tree08fbdc833532f8dbe8ddecaa1e88be3508740de5tree | snapshot
parent5c2d0de544c39407bf286d33bdcc1fb06a892d8bcommit | diff
ALSA: line6: Add poll callback for hwdep

At least POD HD500 uses message-based communication, both sides can
send messages. Add poll callback so application can wait for device
messages without using busy loop.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Link: https://lore.kernel.org/r/20200502193120.79115-3-anarsoul@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/usb/line6/driver.c diff | blob | history
Domain: System / Kernel;