WM8993_DCS_DAC_WR_VAL_1_SHIFT
>> WM8993_DCS_DAC_WR_VAL_1_SHIFT;
dcs_cfg = (u8)offset << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
dcs_cfg = reg_r << WM8993_DCS_DAC_WR_VAL_1_SHIFT;