PLAYBACK_MUTE     140 drivers/input/misc/cm109.c 		case PLAYBACK_MUTE:	return KEY_MUTE;
PLAYBACK_MUTE     318 drivers/input/misc/cm109.c 	static const u8 autorelease = RECORD_MUTE | PLAYBACK_MUTE;
PLAYBACK_MUTE     839 sound/pci/ca0106/ca0106_main.c         snd_ca0106_ptr_write(emu, PLAYBACK_MUTE, 0x0, 0x0); /* Unmute output */
PLAYBACK_MUTE    1487 sound/pci/ca0106/ca0106_main.c         snd_ca0106_ptr_write(chip, PLAYBACK_MUTE, 0, 0x00fc0000);