El día lunes, junio 19, 2017 a las 01:02:58p. m. +0200, Matthias Apitz escribió:
>
> Hello,
>
> I have configured in KDE 4.14.x for sound control:
>
> System Settings --> Shortcuts and Gestures --> Global Keyboard Shortcuts -->
> KMix
>
> Alt + f8 --> Mute
> Alt + f9 --> Decrease Volume
> Alt + f10 --> Increase Volume
>
> This works fine with the default (internal) sound device. But when I
> plug-in an USB audio headset, the default device is switched correctly
> to the USB audio which works fine to and the 'mixer' command line works to:
>
> $ cat /dev/sndstat
> Installed devices:
> pcm0: <Intel Haswell (HDMI/DP 8ch)> (play)
> pcm1: <Realtek (0x0283) (Analog 2.0+HP/4ch)> (play/rec)
> pcm2: <USB audio> (play/rec) default
>
> # tail /etc/sysctl.conf
> ...
> #
> # last attached snd device gets 'default'
> # see man sound(4)
> hw.snd.default_auto=2
>
> # mixer
> Mixer vol is currently set to 75:75
> Mixer pcm is currently set to 75:75
> Mixer mic is currently set to 0:0
>
>
> What is not working, is controlling the mixer with the Alt+F.. keys. It
> seems that KMix does not see the switch to the new device.
>
KMix sees all sound devices which are present on KDE startup. A later
plug-in needs a restart of KDE. Then all is fine.
Si the questions is more: why it does no see new pluged-in devices?
matthias
--
Matthias Apitz, ✉ [email protected], ⌂ http://www.unixarea.de/ ☎
+49-176-38902045
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8. Mai 1945: Wer nicht feiert hat den Krieg verloren.
8 de mayo de 1945: Quien no festeja perdió la Guerra.
May 8, 1945: Who does not celebrate lost the War.
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