Laptop Touchscreen (was: Re: Roadmap 2021)

Johannes Kliemann kliemann at
Tue Jan 19 14:53:43 CET 2021

Hi John,

>  From what I've read, PC laptop touchscreens and pens generate USB HID
> events, so it shouldn't be necessary to write low-level drivers for each
> model.

Many PC platform touchscreens (and also some touchpads) use the I2C HID [1] 
interface. You may have a look into this protocol since it might enable a 
variety of devices.

Best regards,


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