CS42L73_PDN
snd_soc_component_update_bits(component, CS42L73_PWRCTL1, CS42L73_PDN, 0);
snd_soc_component_update_bits(component, CS42L73_PWRCTL1, CS42L73_PDN, 1);
snd_soc_component_update_bits(component, CS42L73_PWRCTL1, CS42L73_PDN, 1);