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A friend of mine bought a laptop that unfortunately comes with an unsupported touchpad. The good news is that it comes with full documentation.

  1. Is this documentation enough to make a driver with multi-touch support?

  2. Is it advisable to base the driver from another (similar) touchpad driver as a starting point? If so, which one shall I use?

Merc
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  • File is not loaded for me. Though usually you don't need to write a complete driver, rather to add few quirks here and there. – 0andriy May 04 '16 at 17:20

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As far as I know, this controller is already supported by Linux. Just make sure your kernel version is recent enough to have the driver/input/mouse/byd.c source file, and that it is enabled by checking for the presence of the CONFIG_MOUSE_PS2_BYD token in your kernel configuration.

Giuseppe Gorgoglione
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