6  * SPDX-License-Identifier: Apache-2.0
24 int jc42_reg_read(const struct device *dev, uint8_t reg, uint16_t *val)  in jc42_reg_read()  argument
26 	const struct jc42_config *cfg = dev->config;  in jc42_reg_read()
27 	int rc = i2c_write_read_dt(&cfg->i2c, &reg, sizeof(reg), val, sizeof(*val));  in jc42_reg_read()  local
29 	if (rc == 0) {  in jc42_reg_read()
33 	return rc;  in jc42_reg_read()
36 int jc42_reg_write_16bit(const struct device *dev, uint8_t reg, uint16_t val)  in jc42_reg_write_16bit()  argument
38 	const struct jc42_config *cfg = dev->config;  in jc42_reg_write_16bit()
42 	buf[0] = reg;  in jc42_reg_write_16bit()
45 	return i2c_write_dt(&cfg->i2c, buf, sizeof(buf));  in jc42_reg_write_16bit()
48 int jc42_reg_write_8bit(const struct device *dev, uint8_t reg, uint8_t val)  in jc42_reg_write_8bit()  argument
50 	const struct jc42_config *cfg = dev->config;  in jc42_reg_write_8bit()
52 		reg,  in jc42_reg_write_8bit()
56 	return i2c_write_dt(&cfg->i2c, buf, sizeof(buf));  in jc42_reg_write_8bit()
66 	struct jc42_data *data = dev->data;  in jc42_sample_fetch()
70 	return jc42_reg_read(dev, JC42_REG_TEMP_AMB, &data->reg_val);  in jc42_sample_fetch()
76 	const struct jc42_data *data = dev->data;  in jc42_channel_get()
77 	int temp = jc42_temp_signed_from_reg(data->reg_val);  in jc42_channel_get()
82 		return -ENOTSUP;  in jc42_channel_get()
85 	val->val1 = temp / JC42_TEMP_SCALE_CEL;  in jc42_channel_get()
86 	temp -= val->val1 * JC42_TEMP_SCALE_CEL;  in jc42_channel_get()
87 	val->val2 = (temp * 1000000) / JC42_TEMP_SCALE_CEL;  in jc42_channel_get()
103 	const struct jc42_config *cfg = dev->config;  in jc42_init()
104 	int rc = 0;  in jc42_init()  local
106 	if (!device_is_ready(cfg->i2c.bus)) {  in jc42_init()
108 		return -ENODEV;  in jc42_init()
111 	rc = jc42_set_temperature_resolution(dev, cfg->resolution);  in jc42_init()
112 	if (rc) {  in jc42_init()
114 		return rc;  in jc42_init()
118 	if (cfg->int_gpio.port) {  in jc42_init()
119 		rc = jc42_setup_interrupt(dev);  in jc42_init()
123 	return rc;  in jc42_init()