linux-kernel - Logitech high-resolution scrolling..

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Date:   Sun, 28 Oct 2018 12:13:29 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Harry Cutts <hcutts@...omium.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Jiri Kosina <jkosina@...e.cz>
Cc:     linux-input@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Logitech high-resolution scrolling..

So I use a Logitech MX Anywhere 2S mouse, and really like it. I have
the scroll-wheel unlocked, because I like flicking once to scroll a
lot.

However, the new high-res scroll code means that the scroll wheel
action is now much too sensitive. It's not even stable - it will
scroll back-and-forth a bit occasionally, and in fact it sometimes
seems to scroll not because I touch the scroll-wheel, but because the
movement of the mouse itself causes the scroll wheel to move slightly
and wiggle the scroll action.

So the recent change to enable the high-res scrolling really seems a
bit *too* extreme.

Is there some middle ground that turns the mouse from "look at it
sideways and it starts scrolling" to something slightly more
reasonable?

                      Linus