volume knob on USB headphones misbehaves
Bug #42654 reported by
Gintautas Miliauskas
This bug report is a duplicate of:
Bug #22876: There is no way to control which sound device or mixer the keyboard shortcuts use.
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Affects | Status | Importance | Assigned to | Milestone | |
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control-center (Ubuntu) |
Invalid
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Low
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Ubuntu Desktop Bugs |
Bug Description
I was suprised to find that the volume control knob on my USB headphones is actually handled by Ubuntu: a small overlay window appears in the centre of the screen and volume is changed. However, the problem is that the knob controls the volume setting of my internal soundcard rather than the external USB headphones.
In fact, when I just tried to reproduce this bug (I had noticed it earlier) I couldn't get the knob to work at all -- no overlay window would appear. This could be a regression in gnome-media, or just a quirk with my computer. If I can get it to work again, I'll let you know.
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I think the knob wasn't working because apparently I misconfigured some GNOME shortcuts. Now I see that the headset sends simple input events which probably look like multimedia keypresses on the keyboard. In that case it might not be easy to pinpoint the source of the keypress, however, the problem still remains.
I think this could be related to the problem that the sound applet does not notice that the default audio device has changed. I think these are related: bugzilla. gnome.org/ show_bug. cgi?id= 167606 bugzilla. gnome.org/ show_bug. cgi?id= 317899 bugzilla. gnome.org/ show_bug. cgi?id= 305907 bugzilla. gnome.org/ show_bug. cgi?id= 329112
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