static int bq2415x_exec_command()

in supply/bq2415x_charger.c [301:402]

• 98 lines of code
• 32 McCabe index (conditional complexity)

static int bq2415x_exec_command(struct bq2415x_device *bq,
				enum bq2415x_command command)
{
	int ret;

	switch (command) {
	case BQ2415X_TIMER_RESET:
		return bq2415x_i2c_write_bit(bq, BQ2415X_REG_STATUS,
				1, BQ2415X_BIT_TMR_RST);
	case BQ2415X_OTG_STATUS:
		return bq2415x_i2c_read_bit(bq, BQ2415X_REG_STATUS,
				BQ2415X_BIT_OTG);
	case BQ2415X_STAT_PIN_STATUS:
		return bq2415x_i2c_read_bit(bq, BQ2415X_REG_STATUS,
				BQ2415X_BIT_EN_STAT);
	case BQ2415X_STAT_PIN_ENABLE:
		return bq2415x_i2c_write_bit(bq, BQ2415X_REG_STATUS, 1,
				BQ2415X_BIT_EN_STAT);
	case BQ2415X_STAT_PIN_DISABLE:
		return bq2415x_i2c_write_bit(bq, BQ2415X_REG_STATUS, 0,
				BQ2415X_BIT_EN_STAT);
	case BQ2415X_CHARGE_STATUS:
		return bq2415x_i2c_read_mask(bq, BQ2415X_REG_STATUS,
				BQ2415X_MASK_STAT, BQ2415X_SHIFT_STAT);
	case BQ2415X_BOOST_STATUS:
		return bq2415x_i2c_read_bit(bq, BQ2415X_REG_STATUS,
				BQ2415X_BIT_BOOST);
	case BQ2415X_FAULT_STATUS:
		return bq2415x_i2c_read_mask(bq, BQ2415X_REG_STATUS,
			BQ2415X_MASK_FAULT, BQ2415X_SHIFT_FAULT);

	case BQ2415X_CHARGE_TERMINATION_STATUS:
		return bq2415x_i2c_read_bit(bq, BQ2415X_REG_CONTROL,
				BQ2415X_BIT_TE);
	case BQ2415X_CHARGE_TERMINATION_ENABLE:
		return bq2415x_i2c_write_bit(bq, BQ2415X_REG_CONTROL,
				1, BQ2415X_BIT_TE);
	case BQ2415X_CHARGE_TERMINATION_DISABLE:
		return bq2415x_i2c_write_bit(bq, BQ2415X_REG_CONTROL,
				0, BQ2415X_BIT_TE);
	case BQ2415X_CHARGER_STATUS:
		ret = bq2415x_i2c_read_bit(bq, BQ2415X_REG_CONTROL,
			BQ2415X_BIT_CE);
		if (ret < 0)
			return ret;
		return ret > 0 ? 0 : 1;
	case BQ2415X_CHARGER_ENABLE:
		return bq2415x_i2c_write_bit(bq, BQ2415X_REG_CONTROL,
				0, BQ2415X_BIT_CE);
	case BQ2415X_CHARGER_DISABLE:
		return bq2415x_i2c_write_bit(bq, BQ2415X_REG_CONTROL,
				1, BQ2415X_BIT_CE);
	case BQ2415X_HIGH_IMPEDANCE_STATUS:
		return bq2415x_i2c_read_bit(bq, BQ2415X_REG_CONTROL,
				BQ2415X_BIT_HZ_MODE);
	case BQ2415X_HIGH_IMPEDANCE_ENABLE:
		return bq2415x_i2c_write_bit(bq, BQ2415X_REG_CONTROL,
				1, BQ2415X_BIT_HZ_MODE);
	case BQ2415X_HIGH_IMPEDANCE_DISABLE:
		return bq2415x_i2c_write_bit(bq, BQ2415X_REG_CONTROL,
				0, BQ2415X_BIT_HZ_MODE);
	case BQ2415X_BOOST_MODE_STATUS:
		return bq2415x_i2c_read_bit(bq, BQ2415X_REG_CONTROL,
				BQ2415X_BIT_OPA_MODE);
	case BQ2415X_BOOST_MODE_ENABLE:
		return bq2415x_i2c_write_bit(bq, BQ2415X_REG_CONTROL,
				1, BQ2415X_BIT_OPA_MODE);
	case BQ2415X_BOOST_MODE_DISABLE:
		return bq2415x_i2c_write_bit(bq, BQ2415X_REG_CONTROL,
				0, BQ2415X_BIT_OPA_MODE);

	case BQ2415X_OTG_LEVEL:
		return bq2415x_i2c_read_bit(bq, BQ2415X_REG_VOLTAGE,
				BQ2415X_BIT_OTG_PL);
	case BQ2415X_OTG_ACTIVATE_HIGH:
		return bq2415x_i2c_write_bit(bq, BQ2415X_REG_VOLTAGE,
				1, BQ2415X_BIT_OTG_PL);
	case BQ2415X_OTG_ACTIVATE_LOW:
		return bq2415x_i2c_write_bit(bq, BQ2415X_REG_VOLTAGE,
				0, BQ2415X_BIT_OTG_PL);
	case BQ2415X_OTG_PIN_STATUS:
		return bq2415x_i2c_read_bit(bq, BQ2415X_REG_VOLTAGE,
				BQ2415X_BIT_OTG_EN);
	case BQ2415X_OTG_PIN_ENABLE:
		return bq2415x_i2c_write_bit(bq, BQ2415X_REG_VOLTAGE,
				1, BQ2415X_BIT_OTG_EN);
	case BQ2415X_OTG_PIN_DISABLE:
		return bq2415x_i2c_write_bit(bq, BQ2415X_REG_VOLTAGE,
				0, BQ2415X_BIT_OTG_EN);

	case BQ2415X_VENDER_CODE:
		return bq2415x_i2c_read_mask(bq, BQ2415X_REG_VENDER,
			BQ2415X_MASK_VENDER, BQ2415X_SHIFT_VENDER);
	case BQ2415X_PART_NUMBER:
		return bq2415x_i2c_read_mask(bq, BQ2415X_REG_VENDER,
				BQ2415X_MASK_PN, BQ2415X_SHIFT_PN);
	case BQ2415X_REVISION:
		return bq2415x_i2c_read_mask(bq, BQ2415X_REG_VENDER,
			BQ2415X_MASK_REVISION, BQ2415X_SHIFT_REVISION);
	}
	return -EINVAL;
}