mc2_amp_ctl 384 sound/soc/codecs/mc13783.c static const struct snd_kcontrol_new mc2_amp_ctl = mc2_amp_ctl 466 sound/soc/codecs/mc13783.c SND_SOC_DAPM_SWITCH("MC2 Amp", MC13783_AUDIO_TX, 9, 0, &mc2_amp_ctl),