From afe7b5fb9921dd990719e5823a7fd30553d3ed23 Mon Sep 17 00:00:00 2001 From: xengineering Date: Sun, 14 Jan 2024 14:10:35 +0100 Subject: doc: Explain how to enable default RPi audio The soundbox software should be portable to other Raspberry Pis without the HiFiBerry DAC too. --- doc/documentation.tex | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/doc/documentation.tex b/doc/documentation.tex index cf6e272..b374794 100644 --- a/doc/documentation.tex +++ b/doc/documentation.tex @@ -234,6 +234,13 @@ mount -o remount,rw /media/mmcblk0p1 echo 'dtoverlay=hifiberry-dac' >> /media/mmcblk0p1/config.txt \end{verbatim} +If the builtin audio of e.g. a Raspberry Pi 4 should be used another Devicetree +option has to be inserted instead: + +\begin{verbatim} +echo 'dtparam=audio=on' >> /media/mmcblk0p1/config.txt +\end{verbatim} + Since a diskless Alpine Linux installation is preferred for soundbox the changes have to be made persistent with \texttt{lbu}. Rebooting after it makes sure the SD card is again mounted in read-only mode and all Kernel-affecting -- cgit v1.2.3-70-g09d2