lkml.org 
[lkml]   [2019]   [Apr]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v3] pinctrl:intel: Retain HOSTSW_OWN for requested gpio pin
On Mon, Apr 15, 2019 at 7:54 AM Chris Chiu <chiu@endlessm.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@endlessm.com>

This v3 patch applied with Mika's ACK.

Yours,
Linus Walleij

\
 
 \ /
  Last update: 2019-04-23 12:39    [W:0.098 / U:0.396 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site