On 29/07/2017 02:15, Fred Smith wrote:
Anybody have the same problem that I have with JACK plugged headphones
(analogic) ?
The volume controls on the cable of the headphones do not work on CentOS
7 on my Lenovo Thinkpad T530...
How could I solve this ?
On Sat, Jul 29, 2017 at 12:28:40AM +0200, Bernard Lheureux wrote:
Hi all,
I hope someone could enlighten me...
How could I resolve the fact that the volume controls of all the
headphones I try on CentOS 7 are not working, they are OK on CentOS
6 but impossible to make them work on my Thinkpad Laptop with an
iPhone headphones or a Marshal Monitor plugged with a jack
connector...
Those 2 headphones work correctly in CentOS 6...
What could I do to get the same behavior on CentOS 7 and this damned
Gnome 3 ?
Thanks for your help...
On Centos-7, some apps use PulseAudioVolumeControl (pavucontrol)
instead of the one that defaults to the top panel. (I am running
Mate, not Gnome--yuck--so YMMV).
I wish there was a way to control all from a single place, but AFAICF
there isn't. for some things I use the one on the top panel (which is
Mate Volume Control) and for others I gotta start up pavucontrol.
it's a nuisance.
My USB phones seem to be controlled by the pavu control, while the
speakers tend to be controlled by the mate volume control. and I can't
get my old analog (1/8 inch plug) headphones to work at all anymore,
no matter what control I use or how I poke at it, all the sound comes
from the speakers (which are plugged into the line out [green} jack
on the rear of the computer, while the headphones are plugged into the
green jack on the front.)
digressing a little... A few years ago my systems all supported
auto-switching between speakers and headphones when the phone plug
was inserted, but the only one I have now that does that is my netbook.
the current desk-side system and its last couple of predecessors now
do not do that. Go figure.
--
(°- Bernard Lheureux
//\ Linux System Administrator
v_/_ MailTo:bernard@xxxxxxxxxxx
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