1 files changed, 47 insertions, 3 deletions
diff --git a/include/accelerometer.h b/include/accelerometer.h
index a69c227401..0c8703f3ae 100644
--- a/include/accelerometer.h
+++ b/include/accelerometer.h
@@ -29,15 +29,59 @@ enum accel_id;
  *
  * @return EC_SUCCESS if successful, non-zero if error.
  */
-int accel_read(enum accel_id id, int *x_acc, int *y_acc, int *z_acc);
+int accel_read(const enum accel_id id, int * const x_acc, int * const y_acc,
+		int * const z_acc);
 
 /**
- * Initiailze accelerometers.
+ * Initialize accelerometers.
  *
  * @param id Target accelerometer
  *
  * @return EC_SUCCESS if successful, non-zero if error.
  */
-int accel_init(enum accel_id id);
+int accel_init(const enum accel_id id);
+
+/**
+ * Setter and getter methods for the sensor range. The sensor range defines
+ * the maximum value that can be returned from accel_read(). As the range
+ * increases, the resolution gets worse.
+ *
+ * @param id Target accelerometer
+ * @param range Range (Units are +/- G's for accel, +/- deg/s for gyro)
+ * @param rnd Rounding flag. If true, it rounds up to nearest valid value.
+ *                Otherwise, it rounds down.
+ *
+ * @return EC_SUCCESS if successful, non-zero if error.
+ */
+int accel_set_range(const enum accel_id id, const int range, const int rnd);
+int accel_get_range(const enum accel_id id, int * const range);
+
+
+/**
+ * Setter and getter methods for the sensor resolution.
+ *
+ * @param id Target accelerometer
+ * @param range Resolution (Units are number of bits)
+ * param rnd Rounding flag. If true, it rounds up to nearest valid value.
+ *                Otherwise, it rounds down.
+ *
+ * @return EC_SUCCESS if successful, non-zero if error.
+ */
+int accel_set_resolution(const enum accel_id id, const int res, const int rnd);
+int accel_get_resolution(const enum accel_id id, int * const res);
+
+/**
+ * Setter and getter methods for the sensor output data range. As the ODR
+ * increases, the LPF roll-off frequency also increases.
+ *
+ * @param id Target accelerometer
+ * @param rate Output data rate (units are mHz)
+ * @param rnd Rounding flag. If true, it rounds up to nearest valid value.
+ *                Otherwise, it rounds down.
+ *
+ * @return EC_SUCCESS if successful, non-zero if error.
+ */
+int accel_set_datarate(const enum accel_id id, const int rate, const int rnd);
+int accel_get_datarate(const enum accel_id id, int * const rate);
 
 #endif /* __CROS_EC_ACCELEROMETER_H */