diff options
Diffstat (limited to 'src/include/device/i2c_bus.h')
| -rw-r--r-- | src/include/device/i2c_bus.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/include/device/i2c_bus.h b/src/include/device/i2c_bus.h index 1a7e777278..4c9b98d14f 100644 --- a/src/include/device/i2c_bus.h +++ b/src/include/device/i2c_bus.h @@ -90,5 +90,19 @@ int i2c_dev_writeb_at(struct device *, uint8_t off, uint8_t val); * value on error. */ int i2c_dev_read_at16(struct device *, uint8_t *buf, size_t len, uint16_t off); +/* + * Sends the 8-bit register offset `off` and reads `len` bytes into `buf`. + * + * Returns the number of bytes read on success, negative `enum cb_err` + * value on error. + */ +int i2c_dev_read_at(struct device *, uint8_t *buf, size_t len, uint8_t off); +/* + * Sends the 8-bit register offset `off` and writes `len` bytes from `buf`. + * + * Returns the number of bytes written on success, negative `enum cb_err` + * value on error. + */ +int i2c_dev_write_at(struct device *, uint8_t *buf, size_t len, uint8_t off); #endif /* _DEVICE_I2C_BUS_H_ */ |