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Message-ID: <CACRpkdanhW206AEj7m+2FQBhJ5epUzw60Y6v+k-eoJLLW_-SSQ@mail.gmail.com> Date: Tue, 23 Apr 2019 12:38:17 +0200 From: Linus Walleij <linus.walleij@...aro.org> To: Chris Chiu <chiu@...lessm.com> Cc: Andriy Shevchenko <andriy.shevchenko@...el.com>, Mika Westerberg <mika.westerberg@...ux.intel.com>, Heikki Krogerus <heikki.krogerus@...ux.intel.com>, Daniel Drake <drake@...lessm.com>, "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, linux@...lessm.com Subject: Re: [PATCH v3] pinctrl:intel: Retain HOSTSW_OWN for requested gpio pin On Mon, Apr 15, 2019 at 7:54 AM Chris Chiu <chiu@...lessm.com> 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 <chiu@...lessm.com> This v3 patch applied with Mika's ACK. Yours, Linus Walleij
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