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33 lines
1.2 KiB
Bash
33 lines
1.2 KiB
Bash
#!/bin/sh
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# This is a script to enable automatic switching to and from HDMI audio output
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# To run this script whenever and HDMI cable is connected, copy this file to /usr/local/bin/ and run 'chmod +x /usr/local/bin/hdmi_sound_toggle.sh'
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# Then create the file /etc/udev/rules.d/99-hdmi_sound.rules with the following content :
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# KERNEL=="card0", SUBSYSTEM=="drm", ACTION=="change", RUN+="/usr/local/bin/hdmi_sound_toggle.sh"
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# Then run 'udevadm control --reload-rules' and reboot
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export PATH=/usr/bin
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USER_NAME=$(who | awk -v vt=tty$(fgconsole) '$0 ~ vt {print $1}')
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USER_ID=$(id -u "$USER_NAME")
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CARD_PATH="/sys/class/drm/card0/"
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AUDIO_OUTPUT="analog-stereo"
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PULSE_SERVER="unix:/run/user/"$USER_ID"/pulse/native"
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for OUTPUT in $(cd "$CARD_PATH" && echo card*); do
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OUT_STATUS=$(<"$CARD_PATH"/"$OUTPUT"/status)
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if [[ $OUT_STATUS == connected ]]
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then
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echo $OUTPUT connected
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case "$OUTPUT" in
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"card0-HDMI-A-1")
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AUDIO_OUTPUT="hdmi-stereo" # Digital Stereo (HDMI 1)
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;;
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"card0-HDMI-A-2")
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AUDIO_OUTPUT="hdmi-stereo-extra1" # Digital Stereo (HDMI 2)
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;;
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esac
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fi
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done
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echo selecting output $AUDIO_OUTPUT
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sudo -u "$USER_NAME" pactl --server "$PULSE_SERVER" set-card-profile 0 output:$AUDIO_OUTPUT+input:analog-stereo
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