From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Fenzi Subject: Re: Issues with touchpad / touchscreen on yoga 900 Date: Wed, 4 Nov 2015 07:51:43 -0700 Message-ID: <20151104075143.44053d44@sheelba.scrye.com> References: <20151029112913.1036f00b@voldemort.scrye.com> <20151029183032.GA8992@katana> <56332316.90506@linux.intel.com> <20151030100442.50ac07bd@voldemort.scrye.com> <20151102124728.52e82bed@voldemort.scrye.com> <20151103081840.GK1509@lahna.fi.intel.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; boundary="Sig_/lNlAky0D=gXJZEmPxImyczJ"; protocol="application/pgp-signature" Return-path: Received: from 75-148-32-185-Colorado.hfc.comcastbusiness.net ([75.148.32.185]:49228 "EHLO mail.scrye.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S932365AbbKDPAF (ORCPT ); Wed, 4 Nov 2015 10:00:05 -0500 In-Reply-To: <20151103081840.GK1509@lahna.fi.intel.com> Sender: linux-i2c-owner@vger.kernel.org List-Id: linux-i2c@vger.kernel.org To: Mika Westerberg Cc: Jarkko Nikula , Wolfram Sang , linux-i2c@vger.kernel.org, Andy Shevchenko --Sig_/lNlAky0D=gXJZEmPxImyczJ Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Tue, 3 Nov 2015 10:18:40 +0200 Mika Westerberg wrote: > On Mon, Nov 02, 2015 at 12:47:28PM -0700, Kevin Fenzi wrote: > > Any other ideas or things to try?=20 > >=20 > > It would be nice to have a working touchpad. ;) =20 >=20 > Please attach acpidump of that machine to the bug (or send it directly > to me) and provide full dmesg with i2c_hid.debug=3D1. Just to circle back here, I exchanged some emails with Mika and this one liner gets it working... Hopefully something can be made upstreamable from this. Thanks much.=20 kevin -- diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/buss= es/i2c-designware-platdrv.c index 3dd2de3..31ea736 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -90,6 +90,11 @@ static int dw_i2c_acpi_configure(struct platform_device = *pdev) dw_i2c_acpi_params(pdev, "SSCN", &dev->ss_hcnt, &dev->ss_lcnt, NULL= ); dw_i2c_acpi_params(pdev, "FMCN", &dev->fs_hcnt, &dev->fs_lcnt, &dev->sda_hold_time); + dev->sda_hold_time =3D 30; =20 /* * Provide a way for Designware I2C host controllers that are not --Sig_/lNlAky0D=gXJZEmPxImyczJ Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCgAGBQJWOht/AAoJEEs3sNgP+7teDxIQAMJr1EUT9+2HVRzDUiaZfVRh fbu2HCBt6AvO7vQ1WDm8VJx5cPylmqek8FnzoPSClmO2p3ihns6VUvkBOtTYn2FN VtXeir5JECgCZVM9ZWLzrlBNa9HOj+tbiGUub9LWj1vQ2cBZw4LaFBMXA3x3Lbhp 10Fh20XiNew2qPxJO7tqrlaVzeuKTKujhvkgOvxTr6yXBl7LdOTs9hkPhFH85HB5 zq7TkLmIhGcnARg3BT9J/+er+sIrE3KBNOYLLQCQMgC2KGnc2JIl/xHfWD50pZbp 8fWccuFxiCLAhXP78sqsNA5DKKMLrBLYigCQixAztc5hiBDYWmfhINqpSN3pTkzx vV+r6qFxDdA8tvG6n/aAx2XAZt951ogNekFTuhtwDVv8On0gnpzPHbGTTiyvz21A RMd3zRlfMJoCZNKCYVT4e22X0CqDkduWHfy6F3EGiQ4uiEN08826A3AgiLmegnae kduPmRCl+V+GNiRGVj/bFt5vJDWoVAl4u4n5mSarE3dGAZepAAM5wpuVb4nElr5d BbGnk6htccYdaVtpYhK2CkqsoLw4mX1MaHwUQIVzdPHWVNypHrkS+8jdbhW53UOi TqdIbuwJs2RGOQfu2N8ohPMssMq7iDPOSY83L5vK+VoOyB9hC0BJOu4UporhlTmK JwfCgyF7wckzORuPV94m =hX14 -----END PGP SIGNATURE----- --Sig_/lNlAky0D=gXJZEmPxImyczJ--