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authorJonathan Cameron <Jonathan.Cameron@huawei.com>2026-03-22 15:20:42 +0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2026-03-22 15:20:42 +0300
commit9e4e86a604dfd06402933467578c4b79f5412b2c (patch)
tree5cf2d962b699987c8a785e35a5f5c5f450532c0a /include/linux/hid.h
parente8b83499b4cbc8b989f7cd6aaa893b669326e93c (diff)
parentf338e77383789c0cae23ca3d48adcc5e9e137e3c (diff)
downloadlinux-9e4e86a604dfd06402933467578c4b79f5412b2c.tar.xz
Merge tag 'v7.0-rc4' into togreg
Linux 7.0-rc4 Required for the ds4422 series which is build upon; 5187e03b817c ("iio: dac: ds4424: reject -128 RAW value")
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