On Friday 06 April 2007 20:54, Helge Hafting wrote:
> I have an usb touchscreen (egalax variety) that works with
> the 2.6.18 kernel supplied by debian.
>
> It fails when I compile 2.6.21-rc5-mm4, tuned to the machine
> in question. Unlike the debian kernel, this kernel don't use
> modules in order to save boot time.
>
> The strange thing is, 2.6.21-rc5-mm4 recognizes the device.
> dmesg says things like
> usb 3-2: Manufacturer: eGalac Inc.
> usb 3-2: Product: USB TouchController
>
> and a lot more. Unlike 2.6.18, it never gets around to say
> "usbcore: registered new driver usbtouchscreen"
> which seems to indicate a problem.
> usbcore registers several other drivers, such as usbserial and pl2303
> that makes the gps work. It also registers other drivers like
> usb-storage,usbfs,hub,libusual,hiddev,usbhid. But not usbtouchscreen.
> I believe I have turned on every config option for usb touchscreen,
> this should not be missing.
>
> Is there something wrong, or could there be a seemingly unrelated option
> that I need to turn on?
Please make sure that you have CONFIG_USB_TOUCHSCREEN turned on.
--
Dmitry
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