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I have an IR touch frame device which I have to configure using the idc file, however I am not sure if it is used at all.

I have changed the device type to pointer which should show a cursor on the screen when operated, and it is not happening.

From dmesg:

[   76.937599]  [0:          khubd:   40] usb 1-1: new full-speed USB device number 2 using xhci-hcd
[   76.952845]  [0:          khubd:   40] usb 1-1: New USB device found, idVendor=1ff7, idProduct=0013
[   76.952907]  [0:          khubd:   40] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[   76.952955]  [0:          khubd:   40] usb 1-1: Product: FC49WH00DL-CT-B2-10P
[   76.953002]  [0:          khubd:   40] usb 1-1: Manufacturer: Touch Device
[   76.953045]  [0:          khubd:   40] usb 1-1: SerialNumber: 1000
[   76.969757]  [0:          khubd:   40] input: Touch Device FC49WH00DL-CT-B2-10P as /devices/usb.25/ff600000.dwc3/xhci-hcd.0.auto/usb1/1-1/1-1:1.0/input/input5
[   76.976113]  [0:          khubd:   40] hid-multitouch 0003:1FF7:0013.0004: input,hiddev0,hidraw3: USB HID v2.00 Mouse [Touch Device FC49WH00DL-CT-B2-10P] on usb-xhci-hcd.0.auto-1/input0

The file I've created is: /system/usr/idc/Vendor_1ff7_Product_0013.idc. How can I make sure the file will be used?

Is it enough to reconnect the device to "reload" the changes in the file, or would I have to reboot the device?

Thank you

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You can verify by this command: adb shell dumpsys input. This will list out all your input devices supported. In the dumpsys output look for Configuration File under Event Hub State->Devices->Go to your device name. Here you find your answer. For me it works.

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  • Late to the party but with the rightr answer – Krystian Apr 1 at 9:49
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My idc file was not used due to incorrect file permission.

The owner has to be root and the permissions need to be 644. With this the file is picked up on each reconnect of the device.

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