micmute_led_mode_ctl 3989 sound/pci/hda/hda_generic.c static const struct snd_kcontrol_new micmute_led_mode_ctl = { micmute_led_mode_ctl 4020 sound/pci/hda/hda_generic.c if (!snd_hda_gen_add_kctl(spec, NULL, &micmute_led_mode_ctl))