1 /* lsm6dsl_spi.c - SPI routines for LSM6DSL driver
7  * SPDX-License-Identifier: Apache-2.0
17 #if DT_ANY_INST_ON_BUS_STATUS_OKAY(spi)
23 static int lsm6dsl_raw_read(const struct device *dev, uint8_t reg_addr,  in lsm6dsl_raw_read()  argument
26 	const struct lsm6dsl_config *cfg = dev->config;  in lsm6dsl_raw_read()
53 		return -EIO;  in lsm6dsl_raw_read()
56 	if (spi_transceive_dt(&cfg->bus_cfg.spi, &tx, &rx)) {  in lsm6dsl_raw_read()
57 		return -EIO;  in lsm6dsl_raw_read()
63 static int lsm6dsl_raw_write(const struct device *dev, uint8_t reg_addr,  in lsm6dsl_raw_write()  argument
66 	const struct lsm6dsl_config *cfg = dev->config;  in lsm6dsl_raw_write()
85 		return -EIO;  in lsm6dsl_raw_write()
88 	if (spi_write_dt(&cfg->bus_cfg.spi, &tx)) {  in lsm6dsl_raw_write()
89 		return -EIO;  in lsm6dsl_raw_write()
95 static int lsm6dsl_spi_read_data(const struct device *dev, uint8_t reg_addr,  in lsm6dsl_spi_read_data()  argument
98 	return lsm6dsl_raw_read(dev, reg_addr, value, len);  in lsm6dsl_spi_read_data()
101 static int lsm6dsl_spi_write_data(const struct device *dev, uint8_t reg_addr,  in lsm6dsl_spi_write_data()  argument
104 	return lsm6dsl_raw_write(dev, reg_addr, value, len);  in lsm6dsl_spi_write_data()
107 static int lsm6dsl_spi_read_reg(const struct device *dev, uint8_t reg_addr,  in lsm6dsl_spi_read_reg()  argument
110 	return lsm6dsl_raw_read(dev, reg_addr, value, 1);  in lsm6dsl_spi_read_reg()
113 static int lsm6dsl_spi_update_reg(const struct device *dev, uint8_t reg_addr,  in lsm6dsl_spi_update_reg()  argument
118 	lsm6dsl_raw_read(dev, reg_addr, &tmp_val, 1);  in lsm6dsl_spi_update_reg()
121 	return lsm6dsl_raw_write(dev, reg_addr, &tmp_val, 1);  in lsm6dsl_spi_update_reg()
131 int lsm6dsl_spi_init(const struct device *dev)  in lsm6dsl_spi_init()  argument
133 	struct lsm6dsl_data *data = dev->data;  in lsm6dsl_spi_init()
134 	const struct lsm6dsl_config *cfg = dev->config;  in lsm6dsl_spi_init()
136 	data->hw_tf = &lsm6dsl_spi_transfer_fn;  in lsm6dsl_spi_init()
138 	if (!spi_is_ready_dt(&cfg->bus_cfg.spi)) {  in lsm6dsl_spi_init()
139 		return -ENODEV;  in lsm6dsl_spi_init()
144 #endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(spi) */