FUSB_REG_MASKA
ret = fusb302_i2c_write(chip, FUSB_REG_MASKA, 0xFF);
ret = fusb302_i2c_set_bits(chip, FUSB_REG_MASKA,
ret = fusb302_i2c_clear_bits(chip, FUSB_REG_MASKA,
fusb302_i2c_clear_bits(chip, FUSB_REG_MASKA, maska_interrupts) :
fusb302_i2c_set_bits(chip, FUSB_REG_MASKA, maska_interrupts);