1 /* ist8310.c - Driver for Isentek IST8310 Geomagnetic Sensor */
7  * SPDX-License-Identifier: Apache-2.0
18 	const struct ist8310_config *cfg = dev->config;  in ist8310_bus_check()
20 	return cfg->bus_io->check(&cfg->bus);  in ist8310_bus_check()
25 	const struct ist8310_config *cfg = dev->config;  in ist8310_reg_read()
27 	return cfg->bus_io->read(&cfg->bus, start, buf, size);  in ist8310_reg_read()
32 	const struct ist8310_config *cfg = dev->config;  in ist8310_reg_write()
34 	return cfg->bus_io->write(&cfg->bus, reg, val);  in ist8310_reg_write()
40 	struct ist8310_data *drv_data = dev->data;  in ist8310_sample_fetch()
45 		return -EIO;  in ist8310_sample_fetch()
52 			return -EIO;  in ist8310_sample_fetch()
54 		return -EIO;  in ist8310_sample_fetch()
59 		return -EIO;  in ist8310_sample_fetch()
62 	drv_data->sample_x = (sys_le16_to_cpu(*(uint16_t *)&buff[0]));  in ist8310_sample_fetch()
63 	drv_data->sample_y = (sys_le16_to_cpu(*(uint16_t *)&buff[2]));  in ist8310_sample_fetch()
64 	drv_data->sample_z = (sys_le16_to_cpu(*(uint16_t *)&buff[4]));  in ist8310_sample_fetch()
68 		return -EIO;  in ist8310_sample_fetch()
77 	struct ist8310_data *drv_data = dev->data;  in ist8310_channel_get()
81 		sensor_value_from_float(val, drv_data->sample_x * (1.0f / 1320));  in ist8310_channel_get()
84 		sensor_value_from_float(val, drv_data->sample_y * (1.0f / 1320));  in ist8310_channel_get()
87 		sensor_value_from_float(val, drv_data->sample_z * (1.0f / 1320));  in ist8310_channel_get()
90 		sensor_value_from_float(val, drv_data->sample_x * (1.0f / 1320));  in ist8310_channel_get()
91 		sensor_value_from_float(val + 1, drv_data->sample_y * (1.0f / 1320));  in ist8310_channel_get()
92 		sensor_value_from_float(val + 2, drv_data->sample_z * (1.0f / 1320));  in ist8310_channel_get()
95 		return -EINVAL;  in ist8310_channel_get()
110 	/* Read chip ID (can only be read in sleep mode)*/  in ist8310_init_chip()
112 		LOG_ERR("failed reading chip id");  in ist8310_init_chip()
113 		return -EIO;  in ist8310_init_chip()
117 		LOG_ERR("failed reading chip id");  in ist8310_init_chip()
118 		return -EIO;  in ist8310_init_chip()
122 		LOG_ERR("failed reading chip id");  in ist8310_init_chip()
123 		return -EIO;  in ist8310_init_chip()
127 		LOG_ERR("invalid chip id 0x%x", reg);  in ist8310_init_chip()
128 		return -EIO;  in ist8310_init_chip()
132 		LOG_ERR("failed reading chip reg2");  in ist8310_init_chip()
133 		return -EIO;  in ist8310_init_chip()
140 		return -EIO;  in ist8310_init_chip()
146 		LOG_ERR("failed reading chip reg3");  in ist8310_init_chip()
147 		return -EIO;  in ist8310_init_chip()
154 		return -EIO;  in ist8310_init_chip()
159 		return -EIO;  in ist8310_init_chip()
164 		return -EIO;  in ist8310_init_chip()
169 		return -EIO;  in ist8310_init_chip()
176 		return -EIO;  in ist8310_init_chip()
193 		LOG_ERR("failed to initialize chip");  in ist8310_init()
194 		return -EIO;  in ist8310_init()
209  * Main instantiation macro, which selects the correct bus-specific