summaryrefslogtreecommitdiffstats
path: root/include/linux/iio/consumer.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/iio/consumer.h')
-rw-r--r--include/linux/iio/consumer.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/iio/consumer.h b/include/linux/iio/consumer.h
index f536820b9cf2..e9910b41d48e 100644
--- a/include/linux/iio/consumer.h
+++ b/include/linux/iio/consumer.h
@@ -302,6 +302,18 @@ int iio_write_channel_raw(struct iio_channel *chan, int val);
int iio_read_max_channel_raw(struct iio_channel *chan, int *val);
/**
+ * iio_read_min_channel_raw() - read minimum available raw value from a given
+ * channel, i.e. the minimum possible value.
+ * @chan: The channel being queried.
+ * @val: Value read back.
+ *
+ * Note, if standard units are required, raw reads from iio channels
+ * need the offset (default 0) and scale (default 1) to be applied
+ * as (raw + offset) * scale.
+ */
+int iio_read_min_channel_raw(struct iio_channel *chan, int *val);
+
+/**
* iio_read_avail_channel_raw() - read available raw values from a given channel
* @chan: The channel being queried.
* @vals: Available values read back.