4  * SPDX-License-Identifier: Apache-2.0
22 	struct bma280_data *drv_data = dev->data;  in bma280_sample_fetch()
23 	const struct bma280_config *config = dev->config;  in bma280_sample_fetch()
33 	if (i2c_burst_read_dt(&config->i2c,  in bma280_sample_fetch()
36 		return -EIO;  in bma280_sample_fetch()
40 	drv_data->x_sample = (((int8_t)buf[1]) << BMA280_ACCEL_LSB_BITS) | lsb;  in bma280_sample_fetch()
43 	drv_data->y_sample = (((int8_t)buf[3]) << BMA280_ACCEL_LSB_BITS) | lsb;  in bma280_sample_fetch()
46 	drv_data->z_sample = (((int8_t)buf[5]) << BMA280_ACCEL_LSB_BITS) | lsb;  in bma280_sample_fetch()
48 	if (i2c_reg_read_byte_dt(&config->i2c,  in bma280_sample_fetch()
50 				 (uint8_t *)&drv_data->temp_sample) < 0) {  in bma280_sample_fetch()
52 		return -EIO;  in bma280_sample_fetch()
67 	val->val1 = raw_val / 1000000;  in bma280_channel_accel_convert()
68 	val->val2 = raw_val % 1000000;  in bma280_channel_accel_convert()
70 	/* normalize val to make sure val->val2 is positive */  in bma280_channel_accel_convert()
71 	if (val->val2 < 0) {  in bma280_channel_accel_convert()
72 		val->val1 -= 1;  in bma280_channel_accel_convert()
73 		val->val2 += 1000000;  in bma280_channel_accel_convert()
81 	struct bma280_data *drv_data = dev->data;  in bma280_channel_get()
88 		bma280_channel_accel_convert(val, drv_data->x_sample);  in bma280_channel_get()
90 		bma280_channel_accel_convert(val, drv_data->y_sample);  in bma280_channel_get()
92 		bma280_channel_accel_convert(val, drv_data->z_sample);  in bma280_channel_get()
94 		bma280_channel_accel_convert(val, drv_data->x_sample);  in bma280_channel_get()
95 		bma280_channel_accel_convert(val + 1, drv_data->y_sample);  in bma280_channel_get()
96 		bma280_channel_accel_convert(val + 2, drv_data->z_sample);  in bma280_channel_get()
99 		val->val1 = (drv_data->temp_sample >> 1) + 23;  in bma280_channel_get()
100 		val->val2 = 500000 * (drv_data->temp_sample & 1);  in bma280_channel_get()
103 		return -ENOTSUP;  in bma280_channel_get()
120 	const struct bma280_config *config = dev->config;  in bma280_init()
121 	uint8_t id = 0U;  in bma280_init()  local
123 	if (!device_is_ready(config->i2c.bus)) {  in bma280_init()
125 		return -ENODEV;  in bma280_init()
128 	/* read device ID */  in bma280_init()
129 	if (i2c_reg_read_byte_dt(&config->i2c,  in bma280_init()
130 				 BMA280_REG_CHIP_ID, &id) < 0) {  in bma280_init()
131 		LOG_DBG("Could not read chip id");  in bma280_init()
132 		return -EIO;  in bma280_init()
135 	if (id != BMA280_CHIP_ID) {  in bma280_init()
136 		LOG_DBG("Unexpected chip id (%x)", id);  in bma280_init()
137 		return -EIO;  in bma280_init()
140 	if (i2c_reg_write_byte_dt(&config->i2c,  in bma280_init()
143 		return -EIO;  in bma280_init()
146 	/* set g-range */  in bma280_init()
147 	if (i2c_reg_write_byte_dt(&config->i2c,  in bma280_init()
149 		LOG_DBG("Could not set data g-range");  in bma280_init()
150 		return -EIO;  in bma280_init()
154 	if (config->int1_gpio.port) {  in bma280_init()
157 			return -EIO;  in bma280_init()