PLAYBACK_MUTE     755 sound/pci/ca0106/ca0106_main.c         snd_ca0106_ptr_write(emu, PLAYBACK_MUTE, 0x0, 0x0); /* Unmute output */
PLAYBACK_MUTE    1431 sound/pci/ca0106/ca0106_main.c         snd_ca0106_ptr_write(chip, PLAYBACK_MUTE, 0, 0x00fc0000);