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| author |   Peter Hutterer <peter.hutterer@who-t.net> | 2018-12-05 10:42:22 +1000 |
|---|---|---|
| committer |   Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2018-12-07 16:27:12 +0100 |
| commit | c53431eb696f3c64c12c00afb81048af54b61532 (patch) | |
| tree | c0f52c90c7a7fdbace4088af27c41fe9de6103b0 /include/linux/hid.h | |
| parent | Input: add `REL_WHEEL_HI_RES` and `REL_HWHEEL_HI_RES` (diff) | |
| download | linux-dev-c53431eb696f3c64c12c00afb81048af54b61532.tar.xz linux-dev-c53431eb696f3c64c12c00afb81048af54b61532.zip | |
HID: core: store the collections as a basic tree
For each collection parsed, store a pointer to the parent collection
(if any). This makes it a lot easier to look up which collection(s)
any given item is part of
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Verified-by: Harry Cutts <hcutts@chromium.org>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Diffstat (limited to 'include/linux/hid.h')
| -rw-r--r-- | include/linux/hid.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/hid.h b/include/linux/hid.h index a355d61940f2..fdfda898656c 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -427,6 +427,7 @@ struct hid_local { */ struct hid_collection { + struct hid_collection *parent; unsigned type; unsigned usage; unsigned level; @@ -650,6 +651,7 @@ struct hid_parser { unsigned int *collection_stack; unsigned int collection_stack_ptr; unsigned int collection_stack_size; + struct hid_collection *active_collection; struct hid_device *device; unsigned int scan_flags; }; |