PM860X_SIDETONE_SHIFT
val[1] = (snd_soc_component_read(component, PM860X_SIDETONE_SHIFT) >> 4) & 0xf;
val2[1] = (snd_soc_component_read(component, PM860X_SIDETONE_SHIFT)) & 0xf;
err = snd_soc_component_update_bits(component, PM860X_SIDETONE_SHIFT, 0xf0,
err = snd_soc_component_update_bits(component, PM860X_SIDETONE_SHIFT, 0x0f,