1 /* sensor_isl29035.c - driver for ISL29035 light sensor */
6  * SPDX-License-Identifier: Apache-2.0
13 #include <zephyr/drivers/i2c.h>
25 	struct isl29035_driver_data *drv_data = dev->data;  in isl29035_sample_fetch()
26 	const struct isl29035_config *config = dev->config;  in isl29035_sample_fetch()
31 	if (i2c_reg_read_byte_dt(&config->i2c,  in isl29035_sample_fetch()
33 		return -EIO;  in isl29035_sample_fetch()
36 	if (i2c_reg_read_byte_dt(&config->i2c, ISL29035_DATA_LSB_REG,  in isl29035_sample_fetch()
38 		return -EIO;  in isl29035_sample_fetch()
41 	drv_data->data_sample = (msb << 8) + lsb;  in isl29035_sample_fetch()
50 	struct isl29035_driver_data *drv_data = dev->data;  in isl29035_channel_get()
55 	tmp = (uint64_t)drv_data->data_sample * ISL29035_LUX_RANGE;  in isl29035_channel_get()
56 	val->val1 = tmp >> ISL29035_ADC_DATA_BITS;  in isl29035_channel_get()
58 	val->val2 = tmp >> ISL29035_ADC_DATA_BITS;  in isl29035_channel_get()
61 	val->val1 = drv_data->data_sample;  in isl29035_channel_get()
62 	val->val2 = 0;  in isl29035_channel_get()
79 	struct isl29035_driver_data *drv_data = dev->data;  in isl29035_init()
80 	const struct isl29035_config *config = dev->config;  in isl29035_init()
82 	if (!device_is_ready(config->i2c.bus)) {  in isl29035_init()
83 		LOG_ERR("I2C bus device not ready");  in isl29035_init()
84 		return -ENODEV;  in isl29035_init()
87 	drv_data->data_sample = 0U;  in isl29035_init()
90 	if (i2c_reg_update_byte_dt(&config->i2c, ISL29035_ID_REG,  in isl29035_init()
93 		return -EIO;  in isl29035_init()
96 	/* set command registers to set default attributes */  in isl29035_init()
97 	if (i2c_reg_write_byte_dt(&config->i2c,  in isl29035_init()
99 		LOG_DBG("Failed to clear COMMAND-I.");  in isl29035_init()
100 		return -EIO;  in isl29035_init()
103 	if (i2c_reg_write_byte_dt(&config->i2c,  in isl29035_init()
105 		LOG_DBG("Failed to clear COMMAND-II.");  in isl29035_init()
106 		return -EIO;  in isl29035_init()
110 	if (i2c_reg_update_byte_dt(&config->i2c,  in isl29035_init()
115 		return -EIO;  in isl29035_init()
119 	if (i2c_reg_update_byte_dt(&config->i2c,  in isl29035_init()
124 		return -EIO;  in isl29035_init()
128 	if (i2c_reg_update_byte_dt(&config->i2c,  in isl29035_init()
133 		return -EIO;  in isl29035_init()
137 	if (config->int_gpio.port) {  in isl29035_init()
140 			return -EIO;  in isl29035_init()
152 		.i2c = I2C_DT_SPEC_INST_GET(inst),						\