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HID: a4tech: fix horizontal scrolling 

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: 2dc702c991 ("HID: input: use the Resolution Multiplier for high-resolution scrolling")
Signed-off-by: Błażej Szczygieł <spaz16@wp.pl>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
hifive-unleashed-5.2
Błażej Szczygieł 2019-05-12 22:33:13 +02:00 committed by Jiri Kosina
parent 64caea53e0
commit abf82e8f7e
1 changed files with 8 additions and 3 deletions
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11
drivers/hid/hid-a4tech.c
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@ -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;
}