linux-kernel - PROBLEM: [HP Split 13-m110ca x2 PC] Touchpad not working

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Date:	Sun, 27 Apr 2014 08:11:41 -0400
From:	Vincent Fortier <th0ma7@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: PROBLEM: [HP Split 13-m110ca x2 PC] Touchpad not working

Touchpad not working with hp split x2 - Identified as upstream problem
as part of launchpad #1312489

---

Tested with:

default Ubuntu 14.04 (3.13.0)

upstream (3.15.0-rc2)

$ cat /proc/version
Linux version 3.15.0-031500rc2-generic (apw@...eisa) (gcc version
4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #201404201435 SMP Sun Apr 20
18:36:18 UTC 2014

---

I did noticed USB errors at boot time which may be relevant (attached dmesg):

[ 4.078636] usb 2-6: device descriptor read/64, error -71
[ 4.182641] xhci_hcd 0000:00:14.0: Setup ERROR: setup context command
for slot 3.
[ 4.182726] usb 2-6: hub failed to enable device, error -22
[ 4.406874] usb 2-6: device descriptor read/64, error -71
[ 4.510833] xhci_hcd 0000:00:14.0: Setup ERROR: setup context command
for slot 4.
[ 4.510919] usb 2-6: hub failed to enable device, error -22
[ 5.031131] usb 2-6: device not accepting address 6, error -71
[ 5.551425] usb 2-6: device not accepting address 7, error -71

---

$  lsb_release -rd
Description:    Ubuntu 14.04 LTS
Release:    14.04

Link to launchpad: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1312489

View attachment "cpuinfo.txt" of type "text/plain" (4004 bytes)

View attachment "dmesg-3.15.0-rc2-upstream.txt" of type "text/plain" (68157 bytes)

View attachment "iomem.txt" of type "text/plain" (2448 bytes)

View attachment "ioports.txt" of type "text/plain" (1074 bytes)

View attachment "lspci-vvv.txt" of type "text/plain" (25230 bytes)

View attachment "modules.txt" of type "text/plain" (5807 bytes)

View attachment "scsi.txt" of type "text/plain" (177 bytes)