WM8978_POWER_MANAGEMENT_1
SND_SOC_DAPM_MICBIAS("Mic Bias", WM8978_POWER_MANAGEMENT_1, 4, 0),
snd_soc_component_update_bits(component, WM8978_POWER_MANAGEMENT_1, 0x20, 0);
snd_soc_component_update_bits(component, WM8978_POWER_MANAGEMENT_1, 0x20, 0x20);
snd_soc_component_update_bits(component, WM8978_POWER_MANAGEMENT_1, 0x20, 0);
u16 power1 = snd_soc_component_read(component, WM8978_POWER_MANAGEMENT_1) & ~3;
snd_soc_component_write(component, WM8978_POWER_MANAGEMENT_1, power1);
snd_soc_component_write(component, WM8978_POWER_MANAGEMENT_1,
snd_soc_component_write(component, WM8978_POWER_MANAGEMENT_1, power1);
snd_soc_component_update_bits(component, WM8978_POWER_MANAGEMENT_1, ~0x20, 0);
snd_soc_component_write(component, WM8978_POWER_MANAGEMENT_1, 0);
snd_soc_component_update_bits(component, WM8978_POWER_MANAGEMENT_1, 0x20, 0x20);