CS4245_MUTE_DAC
!(data->cs4245_shadow[CS4245_DAC_CTRL_1] & CS4245_MUTE_DAC);
data->cs4245_shadow[CS4245_DAC_CTRL_1] &= ~CS4245_MUTE_DAC;
(~val->value.integer.value[0] << 2) & CS4245_MUTE_DAC;