linux-kernel - Re: [PATCH 4/4] pinctrl: amd: remove debounce filter setting in irq type setting

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Date:   Wed, 4 Nov 2020 22:42:38 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Coiby Xu <coiby.xu@...il.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Hans de Goede <hdegoede@...hat.com>,
        1887190@...s.launchpad.net,
        "open list:PIN CONTROL SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/4] pinctrl: amd: remove debounce filter setting in irq
 type setting

On Wed, Nov 4, 2020 at 6:05 PM Coiby Xu <coiby.xu@...il.com> wrote:
>
> Debounce filter setting should be independent from irq type setting
> because according to the ACPI specs, there are separate arguments for
> specifying debounce timeout and irq type in GpioIo and GpioInt.
>
> This will fix broken touchpads for Lenovo Legion-5 AMD gaming laptops
> including 15ARH05 (R7000) and R7000P whose BIOS set the debounce timeout
> to 124.8ms which led to kernel receiving only ~7 HID reports per second.

to the kernel

> Cc: Hans de Goede <hdegoede@...hat.com>
> Cc: Andy Shevchenko <andy.shevchenko@...il.com>
> Cc: 1887190@...s.launchpad.net
> BugLink: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1887190

> Message-Id: <CAHp75VcwiGREBUJ0A06EEw-SyabqYsp+dqs2DpSrhaY-2GVdAA@...l.gmail.com>

Link: https://lore.kernel.org/...

-- 
With Best Regards,
Andy Shevchenko