23 static int reg_read(const struct device *dev, uint8_t reg_addr, uint16_t *reg_data)  in reg_read()  argument
31 	*reg_data = sys_get_be16(rx_buf);  in reg_read()
36 static int reg_write(const struct device *dev, uint8_t addr, uint16_t reg_data)  in reg_write()  argument
42 	sys_put_be16(reg_data, &tx_buf[1]);  in reg_write()
52 	uint16_t reg_data;  in ina3221_init()  local
73 	ret = reg_read(dev, INA3221_MANUF_ID, &reg_data);  in ina3221_init()
78 	if (reg_data != INA3221_MANUF_ID_VALUE) {  in ina3221_init()
79 		LOG_ERR("Unexpected manufacturer ID: 0x%04x", reg_data);  in ina3221_init()
82 	ret = reg_read(dev, INA3221_CHIP_ID, &reg_data);  in ina3221_init()
86 	if (reg_data != INA3221_CHIP_ID_VALUE) {  in ina3221_init()
87 		LOG_ERR("Unexpected chip ID: 0x%04x", reg_data);  in ina3221_init()
92 	ret = reg_read(dev, INA3221_CONFIG, &reg_data);  in ina3221_init()
96 	reg_data |= INA3221_CONFIG_RST;  in ina3221_init()
97 	ret = reg_write(dev, INA3221_CONFIG, reg_data);  in ina3221_init()
103 	reg_data = (cfg->conv_time_shunt << 3) | (cfg->conv_time_bus << 6) | (cfg->avg_mode << 9) |  in ina3221_init()
108 	ret = reg_write(dev, INA3221_CONFIG, reg_data);  in ina3221_init()
119 	uint16_t reg_data;  in start_measurement()  local
121 	ret = reg_read(dev, INA3221_CONFIG, &reg_data);  in start_measurement()
126 	reg_data &= ~(INA3221_CONFIG_BUS | INA3221_CONFIG_SHUNT);  in start_measurement()
127 	reg_data |= (INA3221_CONFIG_BUS * bus) | (INA3221_CONFIG_SHUNT * shunt);  in start_measurement()
129 	ret = reg_write(dev, INA3221_CONFIG, reg_data);  in start_measurement()
139 	uint16_t reg_data;  in measurement_ready()  local
141 	ret = reg_read(dev, INA3221_MASK_ENABLE, &reg_data);  in measurement_ready()
145 	return reg_data & INA3221_MASK_ENABLE_CONVERSION_READY;  in measurement_ready()