4  * SPDX-License-Identifier: Apache-2.0
22 	const struct max44009_config *config = dev->config;  in max44009_reg_read()
40 	if (i2c_transfer_dt(&config->i2c, msgs, 2) != 0) {  in max44009_reg_read()
41 		return -EIO;  in max44009_reg_read()
50 	const struct max44009_config *config = dev->config;  in max44009_reg_write()
53 	return i2c_write_dt(&config->i2c, tx_buf, sizeof(tx_buf));  in max44009_reg_write()
63 		return -EIO;  in max44009_reg_update()
81 		return -ENOTSUP;  in max44009_attr_set()
86 		/* convert rate to mHz */  in max44009_attr_set()
87 		cr = val->val1 * 1000 + val->val2 / 1000;  in max44009_attr_set()
89 		/* the sensor supports 1.25Hz or continuous conversion */  in max44009_attr_set()
102 			return -EIO;  in max44009_attr_set()
108 		return -ENOTSUP;  in max44009_attr_set()
117 	struct max44009_data *drv_data = dev->data;  in max44009_sample_fetch()
122 	drv_data->sample = 0U;  in max44009_sample_fetch()
126 		return -EIO;  in max44009_sample_fetch()
131 		return -EIO;  in max44009_sample_fetch()
134 	drv_data->sample = ((uint16_t)val_h) << 8;  in max44009_sample_fetch()
135 	drv_data->sample += val_l;  in max44009_sample_fetch()
144 	struct max44009_data *drv_data = dev->data;  in max44009_channel_get()
148 		return -ENOTSUP;  in max44009_channel_get()
156 	uval = drv_data->sample;  in max44009_channel_get()
159 	uval = uval << (drv_data->sample >> MAX44009_SAMPLE_EXPONENT_SHIFT);  in max44009_channel_get()
162 	val->val1 = (uval * 45U) / 1000;  in max44009_channel_get()
163 	val->val2 = ((uval * 45U) % 1000) * 1000U;  in max44009_channel_get()
176 	const struct max44009_config *config = dev->config;  in max44009_init()
178 	if (!device_is_ready(config->i2c.bus)) {  in max44009_init()
180 		return -ENODEV;  in max44009_init()