Symbol: AMP_CAP_MUTE
src/add-ons/kernel/drivers/audio/hda/hda_codec.cpp
261
(capabilities & AMP_CAP_MUTE) != 0 ? "supports mute, " : "",
src/add-ons/kernel/drivers/audio/hda/hda_multi_audio.cpp
399
if (mute && (capabilities & AMP_CAP_MUTE) != 0) {