iio:magnetometer:mag3110: Scale factor missing for temperature

temperature is reported in milli-Celsius

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

1 files changed, 13 insertions, 3 deletions

diff --git a/drivers/iio/magnetometer/mag3110.c b/drivers/iio/magnetometer/mag3110.c
index f66955fb3509..02e4f9765889 100644
--- a/drivers/iio/magnetometer/mag3110.c
+++ b/drivers/iio/magnetometer/mag3110.c
@@ -183,8 +183,17 @@ static int mag3110_read_raw(struct iio_dev *indio_dev,
                         return -EINVAL;
                 }
         case IIO_CHAN_INFO_SCALE:
-                *val = 0;
-                *val2 = 1000;
+                switch (chan->type) {
+                case IIO_MAGN:
+                        *val = 0;
+                        *val2 = 1000;
+                        return IIO_VAL_INT_PLUS_MICRO;
+                case IIO_TEMP:
+                        *val = 1000;
+                        return IIO_VAL_INT;
+                default:
+                        return -EINVAL;
+                }
                 return IIO_VAL_INT_PLUS_MICRO;
         case IIO_CHAN_INFO_SAMP_FREQ:
                 i = data->ctrl_reg1 >> MAG3110_CTRL_DR_SHIFT;
@@ -270,7 +279,8 @@ static const struct iio_chan_spec mag3110_channels[] = {
         MAG3110_CHANNEL(Z, 2),
         {
                 .type = IIO_TEMP,
-                .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+                .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
+                        BIT(IIO_CHAN_INFO_SCALE),
                 .scan_index = 3,
                 .scan_type = {
                         .sign = 's',