Fix Audio API on Renesas Porter/Koelsch boards
authorManuel Bachmann <manuel.bachmann@iot.bzh>
Mon, 21 Dec 2015 13:11:16 +0000 (14:11 +0100)
committerManuel Bachmann <manuel.bachmann@iot.bzh>
Mon, 21 Dec 2015 13:11:16 +0000 (14:11 +0100)
Porter/Koelsch do not expose a standard "Master" playback
mixer on their default interface, as it is common with
desktop audio cards. Add a bit of discovery logic for this.

Signed-off-by: Manuel Bachmann <manuel.bachmann@iot.bzh>

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