CS4245_DAC_CTRL_1
data->cs4245_shadow[CS4245_DAC_CTRL_1] =
dac_ctrl = data->cs4245_shadow[CS4245_DAC_CTRL_1] & ~CS4245_DAC_FM_MASK;
data->cs4245_shadow[CS4245_DAC_CTRL_1] = dac_ctrl;
cs4245_write_spi(chip, CS4245_DAC_CTRL_1);
!(data->cs4245_shadow[CS4245_DAC_CTRL_1] & CS4245_MUTE_DAC);
data->cs4245_shadow[CS4245_DAC_CTRL_1] &= ~CS4245_MUTE_DAC;
data->cs4245_shadow[CS4245_DAC_CTRL_1] |=
ret = cs4245_write_spi(chip, CS4245_DAC_CTRL_1);