SND_US16X08_ID_MUTE 319 sound/usb/mixer_us16x08.c case SND_US16X08_ID_MUTE: SND_US16X08_ID_MUTE 350 sound/usb/mixer_us16x08.c case SND_US16X08_ID_MUTE: SND_US16X08_ID_MUTE 1238 sound/usb/mixer_us16x08.c .control_id = SND_US16X08_ID_MUTE, SND_US16X08_ID_MUTE 1282 sound/usb/mixer_us16x08.c .control_id = SND_US16X08_ID_MUTE,