With the kernel in the 4.12 directory,
~$ uname -a Linux flimsy 4.12.0-041200-generic #201802011529 SMP Thu Feb 1 15:34:08 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
the touchscreen did not work.
With the kernel in the 4.12 directory,
~$ uname -a 041200- generic #201802011529 SMP Thu Feb 1 15:34:08 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
Linux flimsy 4.12.0-
the touchscreen did not work.