WCD938X_ANA_MBHC_BTN7
{WCD938X_ANA_MBHC_BTN7, 0x70},
case WCD938X_ANA_MBHC_BTN7:
snd_soc_component_update_bits(component, WCD938X_ANA_MBHC_BTN7,
reg2 = snd_soc_component_read(component, WCD938X_ANA_MBHC_BTN7);
snd_soc_component_write(component, WCD938X_ANA_MBHC_BTN7, reg2);