lp5812_write
ret = lp5812_write(chip, LP5812_CMD_UPDATE, LP5812_UPDATE_CMD_VAL);
ret = lp5812_write(chip, LP5812_DEV_CONFIG1, val);
ret = lp5812_write(chip, LP5812_DEV_CONFIG2, val);
ret = lp5812_write(chip, reg, reg_val);
ret = lp5812_write(chip, led_base_reg + led_number, val);
ret = lp5812_write(chip,
ret = lp5812_write(chip, reg, reg_val);
ret = lp5812_write(chip, LP5812_REG_ENABLE, LP5812_ENABLE);
ret = lp5812_write(chip, LP5812_DEV_CONFIG12, LP5812_LSD_LOD_START_UP);
lp5812_write(chip, LP5812_LED_EN_1, LP5812_DISABLE);
lp5812_write(chip, LP5812_LED_EN_2, LP5812_DISABLE);
lp5812_write(chip, LP5812_REG_ENABLE, LP5812_DISABLE);