aif2_loopback 1520 sound/soc/codecs/wm8994.c static const struct snd_kcontrol_new aif2_loopback = aif2_loopback 1770 sound/soc/codecs/wm8994.c SND_SOC_DAPM_MUX("AIF2 Loopback", SND_SOC_NOPM, 0, 0, &aif2_loopback),