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default.pa for Samsung Chromebook Plus (#14)
Include a default.pa file which corrects the volume level for the Samsung Chromebook Plus so that volume hotkeys and volume sliders in the desktop environment behave correctly over 0-100%.
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@ -11,3 +11,17 @@ ALSA_CONFIG_UCM=/opt/alsa/ucm alsaucm -c rk3399-gru-sound set _verb HiFi
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```
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Note that the port will display as "Headphones" despite using the speakers. When paired with pulseaudio and pulseaudio-alsa, be aware that the full volume range is addressed through levels 0-9 of the Master volume control. Levels 10-100 provide no additional gain.
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If using pulseaudio, the following can be placed in your `~/.config/pulse/default.pa` file to create a loopback device that fixes the volume levels, so that 0-100% in a desktop environment's volume bar will correspond to the audio level heard in the spaker.
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```
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.include /etc/pulse/default.pa
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load-module module-null-sink sink_name=corrected_speakers sink_properties=device.description=corrected_speakers
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load-module module-loopback source=corrected_speakers.monitor sink=alsa_output.platform-sound.stereo-fallback remix=false
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set-sink-volume alsa_output.platform-sound.stereo-fallback 6553
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set-default-sink corrected_speakers
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```
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