From: Błażej Szczygieł <spaz16@xxxxx> [ Upstream commit abf82e8f7e9af40a49e3d905187c662a43c96c8f ] Since recent high resolution scrolling changes the A4Tech driver must check for the "REL_WHEEL_HI_RES" usage code. Link: https://bugzilla.kernel.org/show_bug.cgi?id=203369 Fixes: 2dc702c991e3774af9d7ce410eef410ca9e2357e ("HID: input: use the Resolution Multiplier for high-resolution scrolling") Signed-off-by: Błażej Szczygieł <spaz16@xxxxx> Signed-off-by: Jiri Kosina <jkosina@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/hid/hid-a4tech.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/hid/hid-a4tech.c b/drivers/hid/hid-a4tech.c index 9428ea7cdf8a..c3a6ce3613fe 100644 --- a/drivers/hid/hid-a4tech.c +++ b/drivers/hid/hid-a4tech.c @@ -38,8 +38,10 @@ static int a4_input_mapped(struct hid_device *hdev, struct hid_input *hi, { struct a4tech_sc *a4 = hid_get_drvdata(hdev); - if (usage->type == EV_REL && usage->code == REL_WHEEL) + if (usage->type == EV_REL && usage->code == REL_WHEEL_HI_RES) { set_bit(REL_HWHEEL, *bit); + set_bit(REL_HWHEEL_HI_RES, *bit); + } if ((a4->quirks & A4_2WHEEL_MOUSE_HACK_7) && usage->hid == 0x00090007) return -1; @@ -60,7 +62,7 @@ static int a4_event(struct hid_device *hdev, struct hid_field *field, input = field->hidinput->input; if (a4->quirks & A4_2WHEEL_MOUSE_HACK_B8) { - if (usage->type == EV_REL && usage->code == REL_WHEEL) { + if (usage->type == EV_REL && usage->code == REL_WHEEL_HI_RES) { a4->delayed_value = value; return 1; } @@ -68,6 +70,8 @@ static int a4_event(struct hid_device *hdev, struct hid_field *field, if (usage->hid == 0x000100b8) { input_event(input, EV_REL, value ? REL_HWHEEL : REL_WHEEL, a4->delayed_value); + input_event(input, EV_REL, value ? REL_HWHEEL_HI_RES : + REL_WHEEL_HI_RES, a4->delayed_value * 120); return 1; } } @@ -77,8 +81,9 @@ static int a4_event(struct hid_device *hdev, struct hid_field *field, return 1; } - if (usage->code == REL_WHEEL && a4->hw_wheel) { + if (usage->code == REL_WHEEL_HI_RES && a4->hw_wheel) { input_event(input, usage->type, REL_HWHEEL, value); + input_event(input, usage->type, REL_HWHEEL_HI_RES, value * 120); return 1; } -- 2.20.1
