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Date:   Tue, 23 Apr 2019 12:38:17 +0200
From:   Linus Walleij <>
To:     Chris Chiu <>
Cc:     Andriy Shevchenko <>,
        Mika Westerberg <>,
        Heikki Krogerus <>,
        Daniel Drake <>,
        "open list:GPIO SUBSYSTEM" <>,
        "" <>,
Subject: Re: [PATCH v3] pinctrl:intel: Retain HOSTSW_OWN for requested gpio pin

On Mon, Apr 15, 2019 at 7:54 AM Chris Chiu <> wrote:

> The touchpad of the ASUS laptops E403NA, X540NA, X541NA are not
> responsive after suspend/resume. The following error message
> shows after resume.
>  i2c_hid i2c-ELAN1200:00: failed to reset device.
> On these laptops, the touchpad interrupt is connected via a GPIO
> pin which is controlled by Intel pinctrl. After system resumes,
> the GPIO is in ACPI mode and no longer works as an IRQ.
> This commit saves the HOSTSW_OWN value during suspend, make sure
> the HOSTSW_OWN mode remains the same after resume.
> Signed-off-by: Chris Chiu <>

This v3 patch applied with Mika's ACK.

Linus Walleij

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