diff options
| author | Alistair Francis <alistair@alistair23.me> | 2021-12-08 15:40:43 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-27 13:04:41 +0300 |
| commit | bc13af2535e550e2b7d0c6b57ca7549aa495425f (patch) | |
| tree | ca1035721c3509617afcfae359e5d9ff0d0dc71d /drivers/hid | |
| parent | 4a635b9d5ba5f691e378f7ec20e11b7b04f07a45 (diff) | |
| download | linux-bc13af2535e550e2b7d0c6b57ca7549aa495425f.tar.xz | |
HID: quirks: Allow inverting the absolute X/Y values
[ Upstream commit fd8d135b2c5e88662f2729e034913f183455a667 ]
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
Signed-off-by: Sasha Levin <sashal@kernel.org>
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 c3bd7ba9a5ca..3d33c0c06cbb 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -1332,6 +1332,12 @@ 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) |