From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4EF31C10F12 for ; Mon, 15 Apr 2019 19:25:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 218B720651 for ; Mon, 15 Apr 2019 19:25:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730675AbfDOTZO (ORCPT ); Mon, 15 Apr 2019 15:25:14 -0400 Received: from mga05.intel.com ([192.55.52.43]:33527 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729718AbfDOTZN (ORCPT ); Mon, 15 Apr 2019 15:25:13 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 15 Apr 2019 12:25:13 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,354,1549958400"; d="scan'208";a="164965520" Received: from lahna.fi.intel.com (HELO lahna) ([10.237.72.157]) by fmsmga001.fm.intel.com with SMTP; 15 Apr 2019 12:25:10 -0700 Received: by lahna (sSMTP sendmail emulation); Mon, 15 Apr 2019 22:25:09 +0300 Date: Mon, 15 Apr 2019 22:25:09 +0300 From: Mika Westerberg To: Chris Chiu Cc: andriy.shevchenko@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 v3] pinctrl:intel: Retain HOSTSW_OWN for requested gpio pin Message-ID: <20190415192509.GH2654@lahna.fi.intel.com> References: <20190415055358.9269-1-chiu@endlessm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190415055358.9269-1-chiu@endlessm.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.11.3 (2019-02-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 15, 2019 at 01:53:58PM +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. > > Signed-off-by: Chris Chiu Acked-by: Mika Westerberg