mono_switch 2358 sound/soc/codecs/rt5659.c static const struct snd_kcontrol_new mono_switch = mono_switch 2834 sound/soc/codecs/rt5659.c &mono_switch), mono_switch 2450 sound/soc/codecs/rt5665.c static const struct snd_kcontrol_new mono_switch = mono_switch 3202 sound/soc/codecs/rt5665.c &mono_switch),