WCD939X_ANA_MBHC_BTN7
{ WCD939X_ANA_MBHC_BTN7, 0x70 },
case WCD939X_ANA_MBHC_BTN7:
snd_soc_component_update_bits(component, WCD939X_ANA_MBHC_BTN7, WCD939X_MBHC_BTN7_VTH,
reg2 = snd_soc_component_read(component, WCD939X_ANA_MBHC_BTN7);
snd_soc_component_write(component, WCD939X_ANA_MBHC_BTN7, reg2);