4  * SPDX-License-Identifier: Apache-2.0
53 	const struct bh1750_dev_config *cfg = dev->config;  in bh1750_opcode_read()
56 	rc = i2c_burst_read_dt(&cfg->bus, opcode, (uint8_t *)val, 2);  in bh1750_opcode_read()
67 	const struct bh1750_dev_config *cfg = dev->config;  in bh1750_opcode_write()
69 	return i2c_write_dt(&cfg->bus, &opcode, 1);  in bh1750_opcode_write()
81 			dev->name);  in bh1750_mtreg_write()
88 			dev->name);  in bh1750_mtreg_write()
97 	const struct bh1750_dev_config *cfg = dev->config;  in bh1750_get_mode_from_dts_device()
99 	if (cfg->resolution == BH1750_HIGH_RES_2_DTS_ENUM) {  in bh1750_get_mode_from_dts_device()
101 	} else if (cfg->resolution == BH1750_HIGH_RES_DTS_ENUM) {  in bh1750_get_mode_from_dts_device()
110 	const struct bh1750_dev_config *cfg = dev->config;  in bh1750_get_wait_time_from_dts_device()
112 	if (cfg->resolution == BH1750_HIGH_RES_2_DTS_ENUM) {  in bh1750_get_wait_time_from_dts_device()
114 	} else if (cfg->resolution == BH1750_HIGH_RES_DTS_ENUM) {  in bh1750_get_wait_time_from_dts_device()
124 	const struct bh1750_dev_config *cfg = dev->config;  in bh1750_sample_fetch()
125 	struct bh1750_data *drv_data = dev->data;  in bh1750_sample_fetch()
127 	const uint8_t mode = bh1750_get_mode_from_dts_device(dev);  in bh1750_sample_fetch()  local
133 		return -ENOTSUP;  in bh1750_sample_fetch()
136 	/* Start the measurement */  in bh1750_sample_fetch()
137 	rc = bh1750_opcode_write(dev, mode);  in bh1750_sample_fetch()
139 		LOG_ERR("%s, Failed to start measurement!",  in bh1750_sample_fetch()
140 			dev->name);  in bh1750_sample_fetch()
144 	/* Calculate measurement time */  in bh1750_sample_fetch()
145 	wait_time = (max_wait * (cfg->mtreg * 10000 / BH1750_DEFAULT_MTREG)) / 10000;  in bh1750_sample_fetch()
147 	/* Wait for the measurement to be stored in the sensor memory */  in bh1750_sample_fetch()
151 	rc = bh1750_opcode_read(dev, mode, &drv_data->sample);  in bh1750_sample_fetch()
153 		LOG_ERR("%s: Failed to read measurement result!",  in bh1750_sample_fetch()
154 			dev->name);  in bh1750_sample_fetch()
165 	const struct bh1750_dev_config *cfg = dev->config;  in bh1750_channel_get()
166 	struct bh1750_data *drv_data = dev->data;  in bh1750_channel_get()
171 		return -ENOTSUP;  in bh1750_channel_get()
175 	 * https://www.mouser.com/datasheet/2/348/Rohm_11162017_ROHMS34826-1-1279292.pdf  in bh1750_channel_get()
178 	tmp = (drv_data->sample * 1000 / 12) * (BH1750_DEFAULT_MTREG * 100 / cfg->mtreg);  in bh1750_channel_get()
180 	if (cfg->resolution == BH1750_HIGH_RES_2_DTS_ENUM) {  in bh1750_channel_get()
184 	val->val1 = tmp / 10000;  in bh1750_channel_get()
185 	val->val2 = (tmp % 10000) * 100;  in bh1750_channel_get()
197 	const struct bh1750_dev_config *cfg = dev->config;  in bh1750_init()
199 	if (!device_is_ready(cfg->bus.bus)) {  in bh1750_init()
200 		LOG_ERR("I2C dev %s not ready", cfg->bus.bus->name);  in bh1750_init()
201 		return -ENODEV;  in bh1750_init()
204 	if (cfg->mtreg != BH1750_DEFAULT_MTREG) {  in bh1750_init()
205 		bh1750_mtreg_write(dev, cfg->mtreg);  in bh1750_init()