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On my laptop PC with dual boot I am unable to activate the keyboard backlight when running Ubuntu, although it works fine in Windows.
How can I get my backlight to work under Ubuntu? Here are the main characteristics of the PC as well as its system:
$ sudo lshw vikimi-svf13n1c5e description: Ordinateur Bloc-notes product: SVF13N1C5E (54678237) vendor: Sony Corporation $ cat /proc/version Linux version 4.15.0-34-generic (buildd@lgw01-amd64-047) (gcc version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #37-Ubuntu SMP Mon Aug 27 15:21:48 UTC 2018