ALSA: usb-audio: Fix implicit feedback sync setup for Pioneer devices

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Pioneer devices have both playback and capture streams sharing the
same iface/altsetting, and those need to be paired as implicit
feedback.  Instead of a half-baked (and broken) static quirk entry,
set up more generically for those devices by checking the number of
endpoints and the attribute of the secondary EP.

Fixes: bf6313a0ff ("ALSA: usb-audio: Refactor endpoint management")
Reported-by: František Kučera <konference@frantovo.cz>
Link: https://lore.kernel.org/r/20210108075219.21463-6-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

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Takashi Iwai 2021-01-08 08:52:19 +01:00

parent eae4d054f9

commit 167c9dc84e

1 changed files with 38 additions and 10 deletions

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sound/usb/implicit.c

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