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#1 2016-06-22 14:20:59

khnsvmt
Member
Registered: 2016-06-22
Posts: 3

For some reason, the kernel is detecting my PS/2 mouse as a touchpad.

I'm not quite sure when this started, but /proc/input/devices reads

I: Bus=0011 Vendor=0002 Product=0005 Version=0000
N: Name="ImPS/2 BYD TouchPad"
P: Phys=isa0060/serio1/input0
S: Sysfs=/devices/platform/i8042/serio1/input/input5
U: Uniq=
H: Handlers=event15 mouse0
B: PROP=1
B: EV=7
B: KEY=70000 0 0 0 0
B: REL=103


and my mouse now scrolls backwards! Frusteratingly, the only hits on google I see when I was researching this problem are "help! the kernel is detecting my touchpad as a ps/2 mouse!" So I haven't been able to research this problem much. Thanks for anyone who can help me with this, it is very annoying to have to scroll in reverse.

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#2 2016-06-22 14:22:02

Scimmia
Fellow
Registered: 2012-09-01
Posts: 11,466

Re: For some reason, the kernel is detecting my PS/2 mouse as a touchpad.

Scrolling "backwards" is a feature called "Natural Scrolling". You can turn it on or off.

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#3 2016-06-22 14:44:28

mich41
Member
Registered: 2012-06-22
Posts: 796

Re: For some reason, the kernel is detecting my PS/2 mouse as a touchpad.

BYD touchpad drivers seems to have been added only recently. File a bug at bugzilla.kernel.org and tell them what kind of mouse you use and that this driver mistakes it for a touchpad.

BTW, if scrolling is the only problem, I think you can reverse it with

Option "ButtonMapping" "1 2 3 5 4"

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#4 2016-06-22 15:06:19

khnsvmt
Member
Registered: 2016-06-22
Posts: 3

Re: For some reason, the kernel is detecting my PS/2 mouse as a touchpad.

The natural scrolling feature doesn't apply to my hardware, because it is detected as a touchpad. The natural scrolling feature only applies to mice. I did include a similar workaround mapping in .Xmodmap but it doesn't work everywhere, only with some programs.

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#5 2016-06-22 15:11:48

Scimmia
Fellow
Registered: 2012-09-01
Posts: 11,466

Re: For some reason, the kernel is detecting my PS/2 mouse as a touchpad.

khnsvmt wrote:

The natural scrolling feature only applies to mice.

No, it doesn't.

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#6 2016-06-22 15:13:31

khnsvmt
Member
Registered: 2016-06-22
Posts: 3

Re: For some reason, the kernel is detecting my PS/2 mouse as a touchpad.

Let me put it this way: the natural scrolling feature does not affect the behavior of my mouse.

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