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| author | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2022-02-03 15:32:15 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2022-03-01 15:46:02 +0100 |
| commit | 1c1813a743fe84d0dcf53743baa4edc1f74c44c8 (patch) | |
| tree | 1635a1f8737a9ec9a09e3b4e12597c0396584ada /include/linux/hid.h | |
| parent | a254a9da455c171441ab3a76ed8f5d1e9412e15f (diff) | |
| download | lwn-1c1813a743fe84d0dcf53743baa4edc1f74c44c8.tar.gz lwn-1c1813a743fe84d0dcf53743baa4edc1f74c44c8.zip | |
HID: core: statically allocate read buffers
This is a preparation patch for rethinking the generic processing
of HID reports.
We can actually pre-allocate all of our memory instead of dynamically
allocating/freeing it whenever we parse a report.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Ping Cheng <ping.cheng@wacom.com>
Acked-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'include/linux/hid.h')
| -rw-r--r-- | include/linux/hid.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/hid.h b/include/linux/hid.h index 7487b0586fe6..3fbfe0986659 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -476,6 +476,7 @@ struct hid_field { unsigned report_count; /* number of this field in the report */ unsigned report_type; /* (input,output,feature) */ __s32 *value; /* last known value(s) */ + __s32 *new_value; /* newly read value(s) */ __s32 logical_minimum; __s32 logical_maximum; __s32 physical_minimum; |