CRAS: alsa_ucm - label to specify echo reference iodev
Add EchoReferenceDev label to associate one output device
to another input device as echo reference.
BUG=chromium:879967
TEST=Test APM using echo reference on notcurne
Change-Id: I3394650549e6a9212bf95b80fc2d0a68e7286733
Reviewed-on: https://chromium-review.googlesource.com/1180782
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Hsinyu Chao <hychao@chromium.org>
Reviewed-by: Hsinyu Chao <hychao@chromium.org>
6 files changed