ref: 3e58068cc5f07ae3306630aaa1448fa87643c170
parent: f05b00e7be50dfbcf698a0d9c3b1f2fdbea98adc
author: Sigrid Solveig Haflínudóttir <sigrid@ftrv.se>
date: Sat Aug 20 13:05:20 EDT 2022
aux/wm8960: relative volume adjustment through the fs interface