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path: root/drivers/iio/inkern.c
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Diffstat (limited to 'drivers/iio/inkern.c')
-rw-r--r--drivers/iio/inkern.c39
1 files changed, 26 insertions, 13 deletions
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index c4757e6367e7..29df11572858 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -658,6 +658,31 @@ err_unlock:
}
EXPORT_SYMBOL_GPL(iio_convert_raw_to_processed);
+static int iio_read_channel_attribute(struct iio_channel *chan,
+ int *val, int *val2,
+ enum iio_chan_info_enum attribute)
+{
+ int ret;
+
+ mutex_lock(&chan->indio_dev->info_exist_lock);
+ if (chan->indio_dev->info == NULL) {
+ ret = -ENODEV;
+ goto err_unlock;
+ }
+
+ ret = iio_channel_read(chan, val, val2, attribute);
+err_unlock:
+ mutex_unlock(&chan->indio_dev->info_exist_lock);
+
+ return ret;
+}
+
+int iio_read_channel_offset(struct iio_channel *chan, int *val, int *val2)
+{
+ return iio_read_channel_attribute(chan, val, val2, IIO_CHAN_INFO_OFFSET);
+}
+EXPORT_SYMBOL_GPL(iio_read_channel_offset);
+
int iio_read_channel_processed(struct iio_channel *chan, int *val)
{
int ret;
@@ -687,19 +712,7 @@ EXPORT_SYMBOL_GPL(iio_read_channel_processed);
int iio_read_channel_scale(struct iio_channel *chan, int *val, int *val2)
{
- int ret;
-
- mutex_lock(&chan->indio_dev->info_exist_lock);
- if (chan->indio_dev->info == NULL) {
- ret = -ENODEV;
- goto err_unlock;
- }
-
- ret = iio_channel_read(chan, val, val2, IIO_CHAN_INFO_SCALE);
-err_unlock:
- mutex_unlock(&chan->indio_dev->info_exist_lock);
-
- return ret;
+ return iio_read_channel_attribute(chan, val, val2, IIO_CHAN_INFO_SCALE);
}
EXPORT_SYMBOL_GPL(iio_read_channel_scale);