Hi Jan-Matthias, On Mon, Nov 19, 2012 at 12:58 PM, Jan-Matthias Braun <[email protected]> wrote: > Dear List, > > using the current (Linux v2.6.7) hid-multitouch driver I have the problem, > that the touchscreen works fine after a fresh boot, but after a suspend the > touchscreen does not come back to live and I am asking for assistance to get > this working. As I can reproduce this problem on a standard tty device > without X (see below) I am suspecting a driver problem, but I might as well > be wrong.
I assume you are talking about v3.6.7... > > The device in question is the Touchscreen of a Dell Inspron Duo convertable, > a USB device with id 0eef:725e (D-WAV Scientific Co., Ltd), found and > registered as an input device by the kernel as > [ 6.931638] usb 4-1: Manufacturer: eGalax Inc. > [ 16.186272] input: eGalax Inc. USB TouchController as > /devices/pci0000:00/0000:00:1d.2/usb4/4-1/4-1:1.0/input/input10 > [ 16.187162] hid-multitouch 0003:0EEF:725E.0001: input,hiddev0,hidraw0: USB > HID v2.10 Pointer > [eGalax Inc. USB TouchController] on > usb-0000:00:1d.2-1/input0 > > I have tested the behaviour with and without X11. Without X11 I was using a > standard tty and using cat on the input device. > After boot the input device gives lot of output while touching the screen, > after resume the device stays silent. strange. I have tested the procedure with the eGalax 0x72FA I got, and I'm not seeing this problem on a 3.6 kernel. Is the config symbol CONFIG_PM set to "y" in your .config file? Also, can you try to rmmod / modprobe hid-multitouch when the device is not responding and see if this solves things. > > I have this problem since moving to hid-multitouch for handling this device. What kind of driver did you use before? Cheers, Benjamin > > I will be happy to test and supply more information. Thanks a lot for looking > into this, > > Jan-Matthias Braun > > PS: As I am not subscribed to the mailing list, please CC me. > -- > To unsubscribe from this list: send the line "unsubscribe linux-input" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
