[PATCH] iio: core: add docs for read_avail_release_resource callback

[Matteo Martelli <matteomartelli3@gmail.com>]

The read_avail_release_resource function was introduced in
commit 8a63e3033e72 ("iio: core: add read_avail_release_resource
callback to fix race") without its description. Add it now.

Signed-off-by: Matteo Martelli <matteomartelli3@gmail.com>
---
Link: https://lore.kernel.org/lkml/20241029155022.5f777572@canb.auug.org.au/
---
 include/linux/iio/iio.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index 747e89975d369f3c76aa49a96a7dc09f185e2557..3e5c1c3d8f7165f3185ae7893d922e42e930853f 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -434,6 +434,10 @@ struct iio_trigger; /* forward declaration */
  *			type and the number of vals is returned in length. For
  *			ranges, there are always three vals returned; min, step
  *			and max. For lists, all possible values are enumerated.
+ * @read_avail_release_resource: function to release the available values
+ *			potentially allocated during a read_avail() call. Input
+ *			arguments should match those provided in the
+ *			corresponding read_avail() call.
  * @write_raw:		function to write a value to the device.
  *			Parameters are the same as for read_raw.
  * @read_label:		function to request label name for a specified label,

---
base-commit: 9b4071ab8cbe28bd1bc4c533ab944771731fe5f8
change-id: 20241029-iio-read-avail-release-docs-a2b681e77794

Best regards,
-- 
Matteo Martelli <matteomartelli3@gmail.com>