CRAS: iodev - Add method to query if a device should mute for volume
Add a method to query if a device should mute its samples because
adjusted node volume is zero.
This will be used when cras_iodev_list decides whether it should start
ramping down a device's samples.
BUG=chromium:697511
TEST=make check
Change-Id: I18b09cba5dc34c8419e0ee17ec7dae9128759731
Reviewed-on: https://chromium-review.googlesource.com/447851
Commit-Ready: Cheng-Yi Chiang <cychiang@chromium.org>
Tested-by: Cheng-Yi Chiang <cychiang@chromium.org>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
3 files changed
