WM8971_LOUT1V 134 sound/soc/codecs/wm8971.c SOC_DOUBLE_R("Headphone Playback ZC Switch", WM8971_LOUT1V, WM8971_LOUT1V 149 sound/soc/codecs/wm8971.c SOC_DOUBLE_R("Headphone Playback Volume", WM8971_LOUT1V, WM8971_LOUT1V 638 sound/soc/codecs/wm8971.c snd_soc_component_update_bits(component, WM8971_LOUT1V, 0x0100, 0x0100);