xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

HID: uclogic: Support faking Wacom pad device ID

Browse Source 
Add support for inserting a Wacom pad device ID into hid-uclogic
reports. This allows reporting dial inputs in a way compatible with the
Wacom driver. Needed for Ugee G5 support in particular.

Signed-off-by: Nikolai Kondrashov <spbnick@gmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
This commit is contained in:
Nikolai Kondrashov
2019-02-10 12:14:03 +02:00
committed by Benjamin Tissoires
parent 08367be171
commit fde44ac556
2 changed files with 19 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/hid/hid-uclogic-core.c
View File

@@ -300,6 +300,16 @@ static int uclogic_raw_event(struct hid_device *hdev,
}
}
/* Tweak frame control reports, if necessary */
if ((report->type == HID_INPUT_REPORT) &&
(report->id == params->frame.id)) {
/* If need to, and can, set pad device ID for Wacom drivers */
if (params->frame.dev_id_byte > 0 &&
params->frame.dev_id_byte < size) {
data[params->frame.dev_id_byte] = 0xf;
}
}
return 0;
}