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Date: Fri, 6 Apr 2007 22:37:12 -0400 From: Dmitry Torokhov <dtor@...ightbb.com> To: Helge Hafting <helgehaf@...el.hist.no> Cc: linux-kernel@...r.kernel.org, linux-usb-devel@...ts.sourceforge.net Subject: Re: usb touchscreen breakage in 2.6.21-rc5-mm4 ? 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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