Comment 18 for bug 1180881

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AceLan Kao (acelankao) wrote :

Hi unix25, thanks a lot.
But, looks like your touchscreen chip is not Synaptics, I don't know if the solution apply to SiS' chip.

I got a new way to test.
   # cat /etc/modprobe.d/usbhid.conf
   options usbhid quirks=0x06cb:0x0af8:0x20000000
   # sudo update-initramfs -u
   # sudo reboot

Remember to correct the id,
  ex. options usbhid quirks=0x06cb:0x1d10:0x20000000
  or options usbhid quirks=0x0457:0x1013:0x20000000

The quirk means do no send the init commands which may not supported by Synaptics,
#define HID_QUIRK_NO_INIT_REPORTS 0x20000000

I need your ack to include the usb id into the quirk, thanks.