cs4245_write_spi
cs4245_write_spi(chip, addr));
cs4245_write_spi(chip, CS4245_DAC_CTRL_1);
cs4245_write_spi(chip, CS4245_MCLK_FREQ);
cs4245_write_spi(chip, CS4245_ADC_CTRL);
cs4245_write_spi(chip, CS4245_MCLK_FREQ);
int cs4245_write_spi(struct oxygen *chip, u8 reg);
ret = cs4245_write_spi(chip, CS4245_DAC_A_CTRL);
ret = cs4245_write_spi(chip, CS4245_DAC_B_CTRL);
ret = cs4245_write_spi(chip, CS4245_DAC_CTRL_1);
ret = cs4245_write_spi(chip, CS4245_PGA_A_CTRL);
return cs4245_write_spi(chip, CS4245_PGA_B_CTRL);
return cs4245_write_spi(chip, CS4245_ANALOG_IN);
cs4245_write_spi(chip, CS4245_ADC_CTRL);
return cs4245_write_spi(chip, CS4245_SIGNAL_SEL);