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userspace: teach sound init about the simple audio card #553

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userspace: teach sound init about the simple audio card #553

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38 changes: 31 additions & 7 deletions userspace/usr/comma/sound/sound_init.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -3,21 +3,45 @@
/usr/comma/sound/adsp-start.sh

echo "waiting for sound card to come online"
while [ ! -d /proc/asound/sdm845tavilsndc ] || [ "$(cat /proc/asound/card0/state 2> /dev/null)" != "ONLINE" ] ; do
while [ ! -f /proc/asound/card0/state ] || [ "$(cat /proc/asound/card0/state 2> /dev/null)" != "ONLINE" ] ; do
sleep 0.01
done
echo "sound card online"

while ! /usr/comma/sound/tinymix controls | grep -q "SEC_MI2S_RX Audio Mixer MultiMedia1"; do
find_control() {
local control

for control in "$@"; do
if /usr/comma/sound/tinymix controls | grep -F -q "$control"; then
echo "$control"
return 0
fi
done

return 1
}

if grep -q mici /sys/firmware/devicetree/base/model; then
CAPTURE_CANDIDATES=("Comma Audio Mixer SEC_MI2S_TX" "MultiMedia1 Mixer SEC_MI2S_TX")
else
CAPTURE_CANDIDATES=("Comma Audio Mixer TERT_MI2S_TX" "MultiMedia1 Mixer TERT_MI2S_TX")
fi

PLAYBACK_CANDIDATES=("SEC_MI2S_RX Audio Mixer Comma Audio" "SEC_MI2S_RX Audio Mixer MultiMedia1")

while true; do
PLAYBACK_CONTROL=$(find_control "${PLAYBACK_CANDIDATES[@]}")
CAPTURE_CONTROL=$(find_control "${CAPTURE_CANDIDATES[@]}")
if [ -n "$PLAYBACK_CONTROL" ] && [ -n "$CAPTURE_CONTROL" ]; then
break
fi
sleep 0.01
done
echo "tinymix controls ready"

/usr/comma/sound/tinymix set "SEC_MI2S_RX Audio Mixer MultiMedia1" 1
if grep -q mici /sys/firmware/devicetree/base/model; then
/usr/comma/sound/tinymix set "MultiMedia1 Mixer SEC_MI2S_TX" 1
else
/usr/comma/sound/tinymix set "MultiMedia1 Mixer TERT_MI2S_TX" 1
/usr/comma/sound/tinymix set "$PLAYBACK_CONTROL" 1
/usr/comma/sound/tinymix set "$CAPTURE_CONTROL" 1
if /usr/comma/sound/tinymix controls | grep -F -q "TERT_MI2S_TX Channels"; then
/usr/comma/sound/tinymix set "TERT_MI2S_TX Channels" Two
fi

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