diff options
| author | Alistair Francis <alistair@alistair23.me> | 2021-12-08 22:40:43 +1000 |
|---|---|---|
| committer | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2021-12-14 11:37:52 +0100 |
| commit | fd8d135b2c5e88662f2729e034913f183455a667 (patch) | |
| tree | f3189f25476079767c95732a99cd7633c96dd408 /drivers/hid | |
| parent | 9ea1b35f63dde3c8ff7f1fd8fee3a46c3d5583a9 (diff) | |
HID: quirks: Allow inverting the absolute X/Y values
Add a HID_QUIRK_X_INVERT/HID_QUIRK_Y_INVERT quirk that can be used
to invert the X/Y values.
Signed-off-by: Alistair Francis <alistair@alistair23.me>
[bentiss: silence checkpatch warning]
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/20211208124045.61815-2-alistair@alistair23.me
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/hid-input.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 4186143da7c6..5f357dddcc01 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -1329,6 +1329,12 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct input = field->hidinput->input; + if (usage->type == EV_ABS && + (((*quirks & HID_QUIRK_X_INVERT) && usage->code == ABS_X) || + ((*quirks & HID_QUIRK_Y_INVERT) && usage->code == ABS_Y))) { + value = field->logical_maximum - value; + } + if (usage->hat_min < usage->hat_max || usage->hat_dir) { int hat_dir = usage->hat_dir; if (!hat_dir) |