diff options
| author | Nikolai Kondrashov <spbnick@gmail.com> | 2022-04-14 13:09:35 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2022-04-21 10:05:48 +0200 |
| commit | 2112b49eaa5c5cffc22ddd8b3b09f7d20bf13819 (patch) | |
| tree | f0223d00d72a76e595e1fe796ac69fb944c96a6f /drivers/hid/hid-uclogic-core.c | |
| parent | f25df3532832c93b7857a61266e48fa0ab87bca7 (diff) | |
HID: uclogic: Add support for bitmap dials
A bitmap dial sends reports with a dedicated bit per direction: 1 means
clockwise rotation, 2 means counterclockwise, as opposed to the normal
1 and -1 values.
Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-uclogic-core.c')
| -rw-r--r-- | drivers/hid/hid-uclogic-core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/hid/hid-uclogic-core.c b/drivers/hid/hid-uclogic-core.c index 96f3fb8c492c..627f1d0c52f2 100644 --- a/drivers/hid/hid-uclogic-core.c +++ b/drivers/hid/hid-uclogic-core.c @@ -382,6 +382,12 @@ static int uclogic_raw_event_frame( } } + /* If need to, and can, transform the bitmap dial reports */ + if (frame->bitmap_dial_byte > 0 && frame->bitmap_dial_byte < size) { + if (data[frame->bitmap_dial_byte] == 2) + data[frame->bitmap_dial_byte] = -1; + } + return 0; } |