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I initially had Ubuntu 10.10 installed on my netbook, the touch-screen worked completely fine however the distribution upgrade to 12.04 has resulted in my touch-screen no longer working.

lsusb lists many of my other devices properly, but also has this

Bus 004 Device 002: ID 1cb6:6651

which I believe to be my Touch-screen. Additionally, xinput --list shows the following:

Virtual core pointer id=2 [master pointer (3)]
↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
↳ SynPS/2 Synaptics TouchPad id=11 [slave pointer (2)]

I did some digging on the Dell website, the touch-screen itself is an IDEACOM IDC 6651, but there are no linux drivers for available for it from there.

Additionally, lshal shows the following information also related to the touchscreen

udi = '/org/freedesktop/Hal/devices/usb_device_1cb6_6651_noserial_if0'
info.linux.driver = 'usbhid' (string)
info.parent = '/org/freedesktop/Hal/devices/usb_device_1cb6_6651_noserial' (string)
info.product = 'USB HID Interface' (string)

info.subsystem = 'usb' (string)
info.udi = '/org/freedesktop/Hal/devices/usb_device_1cb6_6651_noserial_if0' (string)
linux.hotplug_type = 2 (0x2) (int)

linux.subsystem = 'usb' (string)
linux.sysfs_path = '/sys/devices/pci0000:00/0000:00:1d.2/usb4/4-2/4-2:1.0' (string) usb.bus_number = 4 (0x4) (int)
usb.can_wake_up = true (bool)
usb.configuration_value = 1 (0x1) (int)

usb.device_class = 0 (0x0) (int)
usb.device_protocol = 0 (0x0) (int)
usb.device_revision_bcd = 4097 (0x1001) (int)
usb.device_subclass = 0 (0x0) (int)

usb.interface.class = 3 (0x3) (int)
usb.interface.number = 0 (0x0) (int)
usb.interface.protocol = 0 (0x0) (int)

usb.interface.subclass = 0 (0x0) (int)
usb.is_self_powered = false (bool)
usb.linux.device_number = 2 (0x2) (int)
usb.linux.sysfs_path = '/sys/devices/pci0000:00/0000:00:1d.2/usb4/4-2/4-2:1.0' (string)
usb.max_power = 100 (0x64) (int)
usb.num_configurations = 1 (0x1) (int)
usb.num_interfaces = 1 (0x1) (int)

usb.num_ports = 0 (0x0) (int)
usb.product = 'USB HID Interface' (string)
usb.product_id = 26193 (0x6651) (int)
usb.speed = 12.0 (12) (double)
usb.vendor = 'IDEACOM' (string)
usb.vendor_id = 7350 (0x1cb6) (int) usb.version = 1.1 (1.1) (double)

Any help with this issue would be appreciated.

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1 Answer 1

up vote 0 down vote accepted

This issue is fixed in Kernel version v3.5-rc7-quantal ( http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.5-rc7-quantal/ ). Hopefully it should not change in the final release of 12.10

Installation instructions to use this kernel can be found at ( https://wiki.ubuntu.com/KernelMainlineBuilds )

Bug page, for reference ( https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1026174 )

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