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rpi-config: enable RPi 3 x64 audio support only with 'ENABLE_AUDIO_BCM2835' #1611

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rpi-config: enable RPi 3 x64 audio support only with 'ENABLE_AUDIO_BCM2835' #1611

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5c77338
rpi-config: minor condition syntax improvement
AdrianDC Jul 18, 2026
743ad24
rpi-config: enable RPi 3 x64 audio support only with 'ENABLE_AUDIO_BC…
AdrianDC Jul 17, 2026
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7 changes: 7 additions & 0 deletions docs/extra-build-config.md
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Expand Up @@ -398,6 +398,13 @@ discovered via all 1-Wire busses check the interface with this command

`ls /sys/bus/w1/devices/`

## Enable audio BCM2835 sound support

Audio driver for BCM2835 depends on the 'snd_bcm2835' module.
To enable the audio support explicitly set it in `local.conf`

ENABLE_AUDIO_BCM2835 = "1"

## Manual additions to config.txt

The `RPI_EXTRA_CONFIG` variable can be used to manually add additional lines to
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9 changes: 6 additions & 3 deletions recipes-bsp/bootfiles/rpi-config_git.bb
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Expand Up @@ -200,7 +200,7 @@ do_deploy() {
esac
fi

if [ "${ENABLE_UART}" = "1" ] && [ "${MACHINE}" = "raspberrypi-cm5-io-board" ]; then
if [ "${ENABLE_UART}" = "1" ] && [ "${MACHINE}" = "raspberrypi-cm5-io-board" ]; then
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# Enable UART on the 40-pin header of the CM5 IO Board
echo "dtoverlay=uart0" >>$CONFIG
echo "dtparam=uart0_console" >>$CONFIG
Expand Down Expand Up @@ -339,8 +339,11 @@ do_deploy:append:raspberrypi3-64() {
echo "# have a properly sized image" >> $CONFIG
echo "disable_overscan=1" >> $CONFIG

echo "# Enable audio (loads snd_bcm2835)" >> $CONFIG
echo "dtparam=audio=on" >> $CONFIG
# Audio support
if [ "${ENABLE_AUDIO_BCM2835}" = "1" ]; then
echo "# Enable audio (loads snd_bcm2835)" >> $CONFIG
echo "dtparam=audio=on" >> $CONFIG
fi
}

do_deploy:append() {
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