[oe] Problems touchscreen on CM-X270
Mike Rapoport
mike at compulab.co.il
Mon Nov 3 14:31:25 UTC 2008
Hi,
Henk Geraads wrote:
> Hi,
>
> I did enable the event debuging in the kernel, when i touch the touchscreen i've got:
>
> system log:
> <7>evbug.c: Event. Dev: <NULL>, Type: 3, Code: 0, Value: 354
> <7>evbug.c: Event. Dev: <NULL>, Type: 3, Code: 1, Value: 479
> <7>evbug.c: Event. Dev: <NULL>, Type: 3, Code: 24, Value: 228
> <7>evbug.c: Event. Dev: <NULL>, Type: 0, Code: 0, Value: 0
> <7>evbug.c: Event. Dev: <NULL>, Type: 3, Code: 24, Value: 0
> <7>evbug.c: Event. Dev: <NULL>, Type: 0, Code: 0, Value: 0
>
> Why is the device string <NULL>, in case of the mouse is the correct mouse specified.
The UCB1400 driver does not set dev->phys, so that's why you see <NULL> in evbug
reports.
Try "hexdump /dev/input/eventX" and touch the touchscreen
> Part of the kernel bootmessages indicating that there is a touchscreen:
> input: Logitech USB-PS/2 Optical Mouse as /class/input/input0
> input: USB HID v1.10 Mouse [Logitech USB-PS/2 Optical Mouse] on usb-pxa27x-1
> usbcore: registered new interface driver usbhid
> drivers/hid/usbhid/hid-core.c: v2.6:USB HID core driver
> Advanced Linux Sound Architecture Driver Version 1.0.14 (Fri Jul 20 09:12:58 2007 UTC).
> pxa2xx_ac97_reset: cold reset timeout (GSR=0x0)
> input: UCB1400 touchscreen interface as /class/input/input1
> ALSA device list:
> #0: pxa2xx-ac97 (Philips UCB1400)
>
> Thanks for any remarks!
>
> Best regards,
>
> Henk
>
>
>
> _______________________________________________
> Openembedded-devel mailing list
> Openembedded-devel at lists.openembedded.org
> http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-devel
>
--
Sincerely yours,
Mike.
More information about the Openembedded-devel
mailing list