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authorMaxime Ripard <mripard@kernel.org>2026-03-12 08:25:41 +0100
committerMaxime Ripard <mripard@kernel.org>2026-03-12 08:25:41 +0100
commitf08ceb71c5a5615577e7c841e1e00a89f495ab51 (patch)
treea024ee0aa3a8c5f3da518c7a9e15c6be131dd4f5 /include/linux/hid.h
parentf66d6cc6891e41be96380261943837b1909107b3 (diff)
parent58351f46de26bcc4403f9972f7aed430d15cbd03 (diff)
Merge drm/drm-next into drm-misc-next
Biju Das needs a patch for rz-du merged in 7.0-rc3 Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'include/linux/hid.h')
-rw-r--r--include/linux/hid.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/hid.h b/include/linux/hid.h
index dce862cafbbd..2990b9f94cb5 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -836,6 +836,12 @@ struct hid_usage_id {
* raw_event and event should return negative on error, any other value will
* pass the event on to .event() typically return 0 for success.
*
+ * report_fixup must return a report descriptor pointer whose lifetime is at
+ * least that of the input rdesc. This is usually done by mutating the input
+ * rdesc and returning it or a sub-portion of it. In case a new buffer is
+ * allocated and returned, the implementation of report_fixup is responsible for
+ * freeing it later.
+ *
* input_mapping shall return a negative value to completely ignore this usage
* (e.g. doubled or invalid usage), zero to continue with parsing of this
* usage by generic code (no special handling needed) or positive to skip