aif1_loopback 1512 sound/soc/codecs/wm8994.c static const struct snd_kcontrol_new aif1_loopback = aif1_loopback 1769 sound/soc/codecs/wm8994.c SND_SOC_DAPM_MUX("AIF1 Loopback", SND_SOC_NOPM, 0, 0, &aif1_loopback),