Report scale and offset for the temperature and voltage channels.
Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
---
drivers/staging/iio/gyro/adis16130_core.c | 57 +++++++++++++++++++++++++------
1 file changed, 47 insertions(+), 10 deletions(-)
diff --git a/drivers/staging/iio/gyro/adis16130_core.c b/drivers/staging/iio/gyro/adis16130_core.c
index 2537f59..8979435 100644
--- a/drivers/staging/iio/gyro/adis16130_core.c
+++ b/drivers/staging/iio/gyro/adis16130_core.c
@@ -78,14 +78,47 @@ static int adis16130_read_raw(struct iio_dev *indio_dev,
int ret;
u32 temp;
- /* Take the iio_dev status lock */
- mutex_lock(&indio_dev->mlock);
- ret = adis16130_spi_read(indio_dev, chan->address, &temp);
- mutex_unlock(&indio_dev->mlock);
- if (ret)
- return ret;
- *val = temp;
- return IIO_VAL_INT;
+ switch (mask) {
+ case IIO_CHAN_INFO_RAW:
+ /* Take the iio_dev status lock */
+ mutex_lock(&indio_dev->mlock);
+ ret = adis16130_spi_read(indio_dev, chan->address, &temp);
+ mutex_unlock(&indio_dev->mlock);
+ if (ret)
+ return ret;
+ *val = temp;
+ return IIO_VAL_INT;
+ case IIO_CHAN_INFO_SCALE:
+ switch (chan->type) {
+ case IIO_ANGL_VEL:
+ /* 0 degree = 838860, 250 degree = 14260608 */
+ *val = 250;
+ *val2 = 336440817; /* RAD_TO_DEGREE(14260608 - 8388608) */
+ return IIO_VAL_FRACTIONAL;
+ case IIO_TEMP:
+ /* 0C = 8036283, 105C = 9516048 */
+ *val = 105000;
+ *val2 = 9516048 - 8036283;
+ return IIO_VAL_FRACTIONAL;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case IIO_CHAN_INFO_OFFSET:
+ switch (chan->type) {
+ case IIO_ANGL_VEL:
+ *val = -8388608;
+ return IIO_VAL_INT;
+ case IIO_TEMP:
+ *val = -8036283;
+ return IIO_VAL_INT;
+ default:
+ return -EINVAL;
+ }
+ break;
+ }
+
+ return -EINVAL;
}
static const struct iio_chan_spec adis16130_channels[] = {
@@ -93,13 +126,17 @@ static const struct iio_chan_spec adis16130_channels[] = {
.type = IIO_ANGL_VEL,
.modified = 1,
.channel2 = IIO_MOD_Z,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_SCALE) |
+ BIT(IIO_CHAN_INFO_OFFSET),
.address = ADIS16130_RATEDATA,
}, {
.type = IIO_TEMP,
.indexed = 1,
.channel = 0,
- .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+ BIT(IIO_CHAN_INFO_SCALE) |
+ BIT(IIO_CHAN_INFO_OFFSET),
.address = ADIS16130_TEMPDATA,
}
};
--
1.8.0
--
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