mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: Chris Chiu <chiu@endlessm.com>
Cc: mika.westerberg@linux.intel.com, heikki.krogerus@linux.intel.com,
	drake@endlessm.com, linus.walleij@linaro.org,
	linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux@endlessm.com
Subject: Re: [PATCH v2] pinctrl:intel: Retain HOSTSW_OWN for requested gpio pin
Date: Mon, 8 Apr 2019 20:23:37 +0300	[thread overview]
Message-ID: <20190408172337.GY9224@smile.fi.intel.com> (raw)
In-Reply-To: <20190408095127.6197-1-chiu@endlessm.com>

On Mon, Apr 08, 2019 at 05:51:27PM +0800, 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.

Some comments as per v1 are still applicable to this version.

-- 
With Best Regards,
Andy Shevchenko



      reply	other threads:[~2019-04-08 17:23 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-08  9:51 Chris Chiu
2019-04-08 17:23 ` Andy Shevchenko [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190408172337.GY9224@smile.fi.intel.com \
    --to=andriy.shevchenko@intel.com \
    --cc=chiu@endlessm.com \
    --cc=drake@endlessm.com \
    --cc=heikki.krogerus@linux.intel.com \
    --cc=linus.walleij@linaro.org \
    --cc=linux-gpio@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@endlessm.com \
    --cc=mika.westerberg@linux.intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®