iio: adxl345: Add support for the ADXL375

[linux-2.6-block.git] / drivers / iio / accel / adxl345_core.c

diff --git a/drivers/iio/accel/adxl345_core.c b/drivers/iio/accel/adxl345_core.c
index 3359f33db4e35c492038e0a3b80669053ef50bc8..780f87f72338b9f510db727f53a69731b5e4d1e6 100644 (file)
--- a/drivers/iio/accel/adxl345_core.c
+++ b/drivers/iio/accel/adxl345_core.c
@@ -56,9 +56,16 @@
  */
 static const int adxl345_uscale = 38300;
 
+/*
+ * The Datasheet lists a resolution of Resolution is ~49 mg per LSB. That's
+ * ~480mm/s**2 per LSB.
+ */
+static const int adxl375_uscale = 480000;
+
 struct adxl345_data {
        struct regmap *regmap;
        u8 data_range;
+       enum adxl345_device_type type;
 };
 
 #define ADXL345_CHANNEL(index, axis) {                                 \
@@ -105,7 +112,14 @@ static int adxl345_read_raw(struct iio_dev *indio_dev,
                return IIO_VAL_INT;
        case IIO_CHAN_INFO_SCALE:
                *val = 0;
-               *val2 = adxl345_uscale;
+               switch (data->type) {
+               case ADXL345:
+                       *val2 = adxl345_uscale;
+                       break;
+               case ADXL375:
+                       *val2 = adxl375_uscale;
+                       break;
+               }
 
                return IIO_VAL_INT_PLUS_MICRO;
        case IIO_CHAN_INFO_CALIBBIAS:
@@ -198,7 +212,7 @@ static const struct iio_info adxl345_info = {
 };
 
 int adxl345_core_probe(struct device *dev, struct regmap *regmap,
-                      const char *name)
+                      enum adxl345_device_type type, const char *name)
 {
        struct adxl345_data *data;
        struct iio_dev *indio_dev;
@@ -224,6 +238,7 @@ int adxl345_core_probe(struct device *dev, struct regmap *regmap,
        data = iio_priv(indio_dev);
        dev_set_drvdata(dev, indio_dev);
        data->regmap = regmap;
+       data->type = type;
        /* Enable full-resolution mode */
        data->data_range = ADXL345_DATA_FORMAT_FULL_RES;