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authorGary S. Robertson <gary.robertson@linaro.org>2015-09-09 17:04:13 -0500
committerGary S. Robertson <gary.robertson@linaro.org>2015-09-09 17:04:13 -0500
commit48ffd0d5e7b2fb6e7d47344320dbeeaf15d6fd5a (patch)
tree835283be489a3ea03d0f10ca8dbb00ad55a3cd20 /drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
parentaa3ff8e7ce15d756e49141d9aa3f1d9151cda1ca (diff)
parentd9e292d3ea94ab21f028108527a908e415e856ef (diff)
Merge tag 'lsk-v4.1-15.08-rt' of http://git.linaro.org/kernel/linux-linaro-stable into linux-linaro-lng-v4.1-rtlinux-lng-preempt-rt-4.1.5-2015.09
LSK RT 15.08 v4.1
Diffstat (limited to 'drivers/iio/imu/inv_mpu6050/inv_mpu_core.c')
-rw-r--r--drivers/iio/imu/inv_mpu6050/inv_mpu_core.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index 17d4bb15be4d..65ce86837177 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -431,6 +431,23 @@ static int inv_mpu6050_write_gyro_scale(struct inv_mpu6050_state *st, int val)
return -EINVAL;
}
+static int inv_write_raw_get_fmt(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan, long mask)
+{
+ switch (mask) {
+ case IIO_CHAN_INFO_SCALE:
+ switch (chan->type) {
+ case IIO_ANGL_VEL:
+ return IIO_VAL_INT_PLUS_NANO;
+ default:
+ return IIO_VAL_INT_PLUS_MICRO;
+ }
+ default:
+ return IIO_VAL_INT_PLUS_MICRO;
+ }
+
+ return -EINVAL;
+}
static int inv_mpu6050_write_accel_scale(struct inv_mpu6050_state *st, int val)
{
int result, i;
@@ -696,6 +713,7 @@ static const struct iio_info mpu_info = {
.driver_module = THIS_MODULE,
.read_raw = &inv_mpu6050_read_raw,
.write_raw = &inv_mpu6050_write_raw,
+ .write_raw_get_fmt = &inv_write_raw_get_fmt,
.attrs = &inv_attribute_group,
.validate_trigger = inv_mpu6050_validate_trigger,
};