On Tue, Feb 10, 2026 at 09:22:00PM +0530, Paresh Bhagat wrote:
> - Add set-audio-defaults.sh script for audio setup
> - Add set-audio-defaults.service systemd service
> - Add wireplumber_%.bbappend recipe extension
>
> Signed-off-by: Paresh Bhagat <[email protected]>
> ---
> .../wireplumber/set-audio-defaults.service | 14 +++++++++
> .../wireplumber/set-audio-defaults.sh | 30 +++++++++++++++++++
> .../wireplumber/wireplumber_%.bbappend | 27 +++++++++++++++++
> 3 files changed, 71 insertions(+)
> create mode 100644
> meta-arago-distro/recipes-multimedia/wireplumber/wireplumber/set-audio-defaults.service
> create mode 100755
> meta-arago-distro/recipes-multimedia/wireplumber/wireplumber/set-audio-defaults.sh
> create mode 100644
> meta-arago-distro/recipes-multimedia/wireplumber/wireplumber_%.bbappend
>
> diff --git
> a/meta-arago-distro/recipes-multimedia/wireplumber/wireplumber/set-audio-defaults.service
>
> b/meta-arago-distro/recipes-multimedia/wireplumber/wireplumber/set-audio-defaults.service
> new file mode 100644
> index 00000000..b3874542
> --- /dev/null
> +++
> b/meta-arago-distro/recipes-multimedia/wireplumber/wireplumber/set-audio-defaults.service
> @@ -0,0 +1,14 @@
> +[Unit]
> +Description=Set PipeWire Default Audio Devices
> +After=wireplumber.service
> +Requires=wireplumber.service
> +
> +[Service]
> +Type=oneshot
> +ExecStart=/usr/bin/set-audio-defaults.sh
> +StandardOutput=append:/var/log/set-audio-defaults-output.log
> +StandardError=append:/var/log/set-audio-defaults-error.log
> +RemainAfterExit=yes
> +
> +[Install]
> +WantedBy=multi-user.target
> diff --git
> a/meta-arago-distro/recipes-multimedia/wireplumber/wireplumber/set-audio-defaults.sh
>
> b/meta-arago-distro/recipes-multimedia/wireplumber/wireplumber/set-audio-defaults.sh
> new file mode 100755
> index 00000000..83b89225
> --- /dev/null
> +++
> b/meta-arago-distro/recipes-multimedia/wireplumber/wireplumber/set-audio-defaults.sh
> @@ -0,0 +1,30 @@
> +#!/bin/bash
You might want to consider making this script POSIX compatible avoiding any
bashisms, if any, to not require bash as a dependency - it is GPLv3 and not
everyone will be willing to add it to their product...
> +
> +# Wait for WirePlumber to be ready
> +for i in {1..30}; do
> + wpctl status &>/dev/null && break
> + sleep 1
> +done
> +
> +# Additional delay for nodes to appear
> +sleep 2
> +
> +# Find audio sink ID
> +SINK_ID=$(pw-cli info alsa_audio_sink 2>/dev/null | head -n 1 | awk '{print
> $2}')
> +if [[ -n "$SINK_ID" ]]; then
> + wpctl set-default "$SINK_ID"
> + echo "Set default sink to ID: $SINK_ID (alsa_audio_sink)"
> +else
> + echo "Could not find alsa_audio_sink"
> +fi
> +
> +# Find audio source ID
> +SOURCE_ID=$(pw-cli info alsa_audio_source 2>/dev/null | head -n 1 | awk
> '{print $2}')
> +if [[ -n "$SOURCE_ID" ]]; then
> + wpctl set-default "$SOURCE_ID"
> + echo "Set default source to ID: $SOURCE_ID (alsa_audio_source)"
> +else
> + echo "Could not find alsa_audio_source"
> +fi
> +
> +echo "Done"
> diff --git
> a/meta-arago-distro/recipes-multimedia/wireplumber/wireplumber_%.bbappend
> b/meta-arago-distro/recipes-multimedia/wireplumber/wireplumber_%.bbappend
> new file mode 100644
> index 00000000..9a697aa1
> --- /dev/null
> +++ b/meta-arago-distro/recipes-multimedia/wireplumber/wireplumber_%.bbappend
Same comment about guarding the bbappend of an upstream recipe.
> @@ -0,0 +1,27 @@
> +FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
> +
> +SRC_URI += " \
> + file://set-audio-defaults.sh \
> + file://set-audio-defaults.service \
> +"
> +
> +inherit systemd
> +
> +do_install:append() {
> + # Install the script
> + install -d ${D}${bindir}
> + install -m 0755 ${WORKDIR}/sources/set-audio-defaults.sh ${D}${bindir}/
Same comment about UNPACKDIR
> + # Install the systemd service file
> + install -d ${D}${systemd_system_unitdir}
> + install -m 0644 ${WORKDIR}/sources/set-audio-defaults.service
> ${D}${systemd_system_unitdir}/
And here
> +}
> +
> +RDEPENDS:${PN} += "bash"
> +SYSTEMD_PACKAGES = "${PN}"
> +SYSTEMD_SERVICE:${PN} = "set-audio-defaults.service"
> +SYSTEMD_AUTO_ENABLE:${PN} = "enable"
> +
> +FILES:${PN} += " \
> + ${bindir} \
> +"
> --
> 2.34.1
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