iio:st sensors: remove custom sampling frequence attribute in favour of core support.

This allows in kernel client drivers to access this

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Cc: Denis Ciocca <denis.ciocca@st.com>
Reviewed-by: Hartmut Knaack <knaack.h@gmx.de>

1 files changed, 10 insertions, 2 deletions

diff --git a/drivers/iio/magnetometer/st_magn_core.c b/drivers/iio/magnetometer/st_magn_core.c
index 240a21dd0c61..a4b64130ac2f 100644
--- a/drivers/iio/magnetometer/st_magn_core.c
+++ b/drivers/iio/magnetometer/st_magn_core.c
@@ -299,6 +299,9 @@ static int st_magn_read_raw(struct iio_dev *indio_dev,
                 else
                         *val2 = mdata->current_fullscale->gain;
                 return IIO_VAL_INT_PLUS_MICRO;
+        case IIO_CHAN_INFO_SAMP_FREQ:
+                *val = mdata->odr;
+                return IIO_VAL_INT;
         default:
                 return -EINVAL;
         }
@@ -316,6 +319,13 @@ static int st_magn_write_raw(struct iio_dev *indio_dev,
         case IIO_CHAN_INFO_SCALE:
                 err = st_sensors_set_fullscale_by_gain(indio_dev, val2);
                 break;
+        case IIO_CHAN_INFO_SAMP_FREQ:
+                if (val2)
+                        return -EINVAL;
+                mutex_lock(&indio_dev->mlock);
+                err = st_sensors_set_odr(indio_dev, val);
+                mutex_unlock(&indio_dev->mlock);
+                return err;
         default:
                 err = -EINVAL;
         }
@@ -323,14 +333,12 @@ static int st_magn_write_raw(struct iio_dev *indio_dev,
         return err;
 }
 
-static ST_SENSOR_DEV_ATTR_SAMP_FREQ();
 static ST_SENSORS_DEV_ATTR_SAMP_FREQ_AVAIL();
 static ST_SENSORS_DEV_ATTR_SCALE_AVAIL(in_magn_scale_available);
 
 static struct attribute *st_magn_attributes[] = {
         &iio_dev_attr_sampling_frequency_available.dev_attr.attr,
         &iio_dev_attr_in_magn_scale_available.dev_attr.attr,
-        &iio_dev_attr_sampling_frequency.dev_attr.attr,
         NULL,
 };