626 static int hi556_write_reg(struct hi556 *hi556, u16 reg, u16 len, u32 val)  in hi556_write_reg()  function
650 		ret = hi556_write_reg(hi556, r_list->regs[i].address,  in hi556_write_reg_list()
668 	ret = hi556_write_reg(hi556, HI556_REG_MWB_GR_GAIN,  in hi556_update_digital_gain()
673 	ret = hi556_write_reg(hi556, HI556_REG_MWB_GB_GAIN,  in hi556_update_digital_gain()
678 	ret = hi556_write_reg(hi556, HI556_REG_MWB_R_GAIN,  in hi556_update_digital_gain()
683 	return hi556_write_reg(hi556, HI556_REG_MWB_B_GAIN,  in hi556_update_digital_gain()
698 		ret = hi556_write_reg(hi556, HI556_REG_ISP,  in hi556_test_pattern()
705 	return hi556_write_reg(hi556, HI556_REG_TEST_PATTERN,  in hi556_test_pattern()
734 		ret = hi556_write_reg(hi556, HI556_REG_ANALOG_GAIN,  in hi556_set_ctrl()
743 		ret = hi556_write_reg(hi556, HI556_REG_EXPOSURE,  in hi556_set_ctrl()
749 		ret = hi556_write_reg(hi556, HI556_REG_FLL,  in hi556_set_ctrl()
953 	ret = hi556_write_reg(hi556, HI556_REG_MODE_SELECT,  in hi556_start_streaming()
968 	if (hi556_write_reg(hi556, HI556_REG_MODE_SELECT,  in hi556_stop_streaming()