WM8974_POWER1
SND_SOC_DAPM_PGA("Aux Input", WM8974_POWER1, 6, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("Mic Bias", WM8974_POWER1, 4, 0, NULL, 0),
reg = snd_soc_component_read(component, WM8974_POWER1);
snd_soc_component_write(component, WM8974_POWER1, reg & 0x1df);
reg = snd_soc_component_read(component, WM8974_POWER1);
snd_soc_component_write(component, WM8974_POWER1, reg | 0x020);
u16 power1 = snd_soc_component_read(component, WM8974_POWER1) & ~0x3;
snd_soc_component_write(component, WM8974_POWER1, power1);
snd_soc_component_write(component, WM8974_POWER1, power1 | 0x3);
snd_soc_component_write(component, WM8974_POWER1, power1);
snd_soc_component_write(component, WM8974_POWER1, 0);