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Message-ID: <CA+jURcvMcKgLzrCxXoYoxvR9uQY-J5GfQhcrpkm6mBgqqKHqmQ@mail.gmail.com>
Date: Thu, 15 Sep 2022 17:21:52 +0100
From: Harry Cutts <hcutts@...omium.org>
To: Bastien Nocera <hadess@...ess.net>
Cc: linux-input <linux-input@...r.kernel.org>,
lkml <linux-kernel@...r.kernel.org>,
Jiri Kosina <jikos@...nel.org>,
Benjamin Tissoires <benjamin.tissoires@...hat.com>,
"Peter F . Patel-Schneider" <pfpschneider@...il.com>,
Filipe LaĆns <lains@...eup.net>,
Nestor Lopez Casado <nlopezcasad@...itech.com>
Subject: Re: [PATCH v1] HID: logitech-hidpp: Detect hi-res scrolling support
On Wed, 14 Sept 2022 at 14:22, Bastien Nocera <hadess@...ess.net> wrote:
>
> Rather than relying on a never-ending stream of patches for quirks.
>
> This change will detect whether HID++ 1.0 hi-res scroll, HID++ 2.0
> hi-res scroll or HID++ 2.0 hi-res scroll wheel is supported, and enable
> the feature without the need for quirks.
>
> Tested on a Logitech M705 mouse that was unsupported before this change.
>
> [ 9.365324] logitech-hidpp-device 0003:046D:406D.0006: input,hidraw3: USB HID v1.11 Mouse [Logitech M705] on usb-0000:00:14.0-4/input2:3
> [ 57.472434] logitech-hidpp-device 0003:046D:406D.0006: HID++ 4.5 device connected.
> [ 57.616429] logitech-hidpp-device 0003:046D:406D.0006: Detected HID++ 2.0 hi-res scroll wheel
> [ 57.712424] logitech-hidpp-device 0003:046D:406D.0006: wheel multiplier = 8
>
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=216480
> Signed-off-by: Bastien Nocera <hadess@...ess.net>
> ---
> drivers/hid/hid-logitech-hidpp.c | 118 ++++++++++++++++---------------
> 1 file changed, 61 insertions(+), 57 deletions(-)
Ah, I'd been wanting to do this in my initial implementation, but
couldn't work it out for some reason. Good to see the need for the
quirks list replaced!
Reviewed-by: Harry Cutts <hcutts@...omium.org>
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