From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Gamari Subject: Re: Dell Latitude E7470 touchpad status Date: Wed, 25 May 2016 14:09:57 +0200 Message-ID: <87a8jejq3u.fsf@smart-cactus.org> References: <87eg9j6zf7.fsf@smart-cactus.org> <23E0F704395E694FA4710C833FA087E50D40B8BF13@TPEX7ADC101.APAC.DELL.COM> <87bn45gr0e.fsf@smart-cactus.org> <20160517082309.GZ29844@pali> <877fet10a9.fsf@smart-cactus.org> <20160517131629.GE29844@pali> <23E0F704395E694FA4710C833FA087E50D40B8C592@TPEX7ADC101.APAC.DELL.COM> <20160517152239.GF29844@pali> <23E0F704395E694FA4710C833FA087E50D40D0723A@TPEX7ADC101.APAC.DELL.COM> <20160525073949.GY29844@pali> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" Return-path: Received: from mail.smart-cactus.org ([54.187.36.80]:56170 "EHLO mail.smart-cactus.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751868AbcEYMKH (ORCPT ); Wed, 25 May 2016 08:10:07 -0400 In-Reply-To: <20160525073949.GY29844@pali> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Pali =?utf-8?Q?Roh=C3=A1r?= , Allen_Hung@Dell.com Cc: Mario_Limonciello@Dell.com, linux-input@vger.kernel.org --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Pali Roh=C3=A1r writes: > On Wednesday 25 May 2016 12:38:15 Allen_Hung@Dell.com wrote: >>=20 >> I got responds from Alps and they confirmed that the Alps devices in >> Dell systems are speaking in protocol V8. The devices that speak in >> protocol V9 are using different ASIC hardware and they are not used >> in Dell systems.. >>=20 Thanks Allen! > > Hi Allen, thank you for confirmation. > > Ben, V8 protocol is supported by linux kernel since version 4.1. Do you > have needed version? Yes, I have been running 4.5 and 4.6. > If yes and your touchpad does not work, please compile psmouse.ko in > debug mode and send us dmesg output. Maybe there can be something > interesting... > As I mentioned earlier, the device is certainly not recognized as an ALPS device, [ 367.097253] input: ImPS/2 BYD TouchPad as /devices/platform/i8042/s= erio1/input/input21 If I `rmmod psmouse; modprobe psmouse dyndbg=3D=3Dpm` I find this, [ 714.520655] psmouse: psmouse serio1: cypress_ps2: send extension cmd= 0x00, [0 0 0 0] [ 714.748482] psmouse: psmouse serio1: cypress_ps2: Command 0x00 respo= nse data (0x): 00 00 14 [ 714.781858] psmouse: psmouse serio1: alps: E6 report: 00 00 64 [ 714.804749] psmouse: psmouse serio1: alps: E7 report: 73 03 28 [ 714.830829] psmouse: psmouse serio1: alps: EC report: 73 01 13 [ 714.833568] psmouse: psmouse serio1: alps: Likely not an ALPS touchp= ad: E7=3D73 03 28, EC=3D73 01 13 [ 714.860923] psmouse: psmouse serio1: elantech: unexpected magic knoc= k result 0x00, 0x02, 0x64. [ 714.947527] psmouse: psmouse serio1: byd: BYD touchpad detected [ 715.869113] input: ImPS/2 BYD TouchPad as /devices/platform/i8042/se= rio1/input/input24 This seems like quite a hint. Cheers, =2D Ben --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJXRZYVAAoJEHPt6ejPuu8BFwgH/2uUyW3Z9wAM0LuMw/mwrfCr GxbTAaYOmvoMCWFOTM7lJOpRtbl2/z8759pddNk4ErAeJimo7zn0zXzEnO2/PNtF 0wX+IuH/MC1LguSqUN0/aO5sV93KmkEnYR9Zo7GsmFqVliEkNfpQiQWJyxhYwfHQ DWSDOUzRKYwQ/nTNjMnHYiwYlDKk5MaoAsa7gQS+glXYk2ftTVNo7vIiE37O6caP ADjq3prMiJmnYmFYJN130RNe6XuQrVJGiBMPaV5Ln2xiCw5lRR9K/0Y0vA6SNas1 tvrIV0bi3Ggzqv4rGq/60dFKmAeZmhklwcs9+V4qn/mOmkno+UuctAFcy9LI/58= =SbQq -----END PGP SIGNATURE----- --=-=-=--