Public bug reported:
Summary:
On a device without build-in microphone, plug-unplug headset, on
gnome-control-center sound setting input tab, input level keeps going up and
down even without mic/headset attached.
Steps to reproduce:
1. Fresh install Ubuntu 17.10.1 image
2. Boot up the device
3. Plug a headset(with mic) in the GHS jack
4. Open Sound settings(gnome-control-center)
5. Switch to "Input" tab, adjust the input volume amplifier to 100%, and then
notice that input level will start to float
6. Leave sound setting UI as open, unplug the headset => Problem: input volume
amplifier is still editable and input level keeps floating.
Expected behavior:
Ideally, when headset is unplugged, the input volume amplifier should become
in-editable and input level shouldn't keep floating.
Actual behavior:
Input level keeps moving.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: Confirmed
** Changed in: alsa-driver (Ubuntu)
Status: New => Confirmed
** Description changed:
Summary:
- On a device without build-in microphone, plugin-unplug headset, on
gnome-control-center sound setting input tab, input level keeps going up and
down even without mic/headset attached.
+ On a device without build-in microphone, plug-unplug headset, on
gnome-control-center sound setting input tab, input level keeps going up and
down even without mic/headset attached.
Steps to reproduce:
1. Fresh install Ubuntu 17.10.1 image
2. Boot up the device
3. Plug a headset(with mic) in the GHS jack
4. Open Sound settings(gnome-control-center)
5. Switch to "Input" tab, adjust the input volume amplifier to 100%, and then
notice that input level will start to float
6. Leave sound setting UI as open, unplug the headset => Problem: input
volume amplifier is still editable and input level keeps floating.
Expected behavior:
Ideally, when headset is unplugged, the input volume amplifier should become
in-editable and input level shouldn't keep floating.
Actual behavior:
Input level keeps moving.
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https://bugs.launchpad.net/bugs/1746141
Title:
Input level keeps changing even when there's no Mic attached
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