WM8990_AUDIO_INTERFACE_1
audio1 = snd_soc_component_read(component, WM8990_AUDIO_INTERFACE_1);
snd_soc_component_write(component, WM8990_AUDIO_INTERFACE_1, audio1);
u16 audio1 = snd_soc_component_read(component, WM8990_AUDIO_INTERFACE_1);
snd_soc_component_write(component, WM8990_AUDIO_INTERFACE_1, audio1);