pisound: Added reading Pisound board hardware revision and exposing it#3425

Merged

pelwell merged 3 commits intoraspberrypi:rpi-4.19.yfrom BlokasLabs:pisound_hw_version

Jan 28, 2020

+59-27

Commits on Jan 24, 2020

pisound: Added reading Pisound board hardware revision and exposing it in kernel log and sysfs file:
gtrainavicius
committed

Commits on Jan 28, 2020

pisound: Ensure info strings are definitely NULL terminated
gtrainavicius
committed
pisound: Simplified Pisound's sysfs info string getters
gtrainavicius
committed