tumbler_get_mute_switch 900 sound/ppc/tumbler.c .get = tumbler_get_mute_switch, tumbler_get_mute_switch 908 sound/ppc/tumbler.c .get = tumbler_get_mute_switch, tumbler_get_mute_switch 916 sound/ppc/tumbler.c .get = tumbler_get_mute_switch,