1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/iio/accel/adxl345.h b/drivers/iio/accel/adxl345.h
index d7e67cb085..284bd387ce 100644
--- a/drivers/iio/accel/adxl345.h
+++ b/drivers/iio/accel/adxl345.h
@@ -8,9 +8,24 @@
 #ifndef _ADXL345_H_
 #define _ADXL345_H_
 
-enum adxl345_device_type {
-	ADXL345	= 1,
-	ADXL375 = 2,
+/*
+ * In full-resolution mode, scale factor is maintained at ~4 mg/LSB
+ * in all g ranges.
+ *
+ * At +/- 16g with 13-bit resolution, scale is computed as:
+ * (16 + 16) * 9.81 / (2^13 - 1) = 0.0383
+ */
+#define ADXL345_USCALE	38300
+
+/*
+ * The Datasheet lists a resolution of Resolution is ~49 mg per LSB. That's
+ * ~480mm/s**2 per LSB.
+ */
+#define ADXL375_USCALE	480000
+
+struct adxl345_chip_info {
+	const char *name;
+	int uscale;
 };
 
 int adxl345_core_probe(struct device *dev, struct regmap *regmap);