Story of a Desktop User

[Lars Engels]

Am 2013-11-20 07:05, schrieb Kevin Oberman:
> On Tue, Nov 19, 2013 at 7:20 PM, Adrian Chadd <adrian at freebsd.org> 
> wrote:
> 
>> The newer sound stuff has a whole bunch of interesting interconnects
>> internally that let you wire things around between functional blocks,
>> inputs and outputs.
>> 
>> I seem to recall that sometimes you have a hardware-only jack that
>> does this. Sometimes its a software only thing where the hardware has
>> a switch that the software uses to flip the output wiring.
>> 
>> So depending upon the chipset and what it implements, it may be some
>> automagic wiring done by the driver that's enumerated at boot time.
>> Boot with -v and see if you get this nice verbose output from the
>> sound driver explaining how all the connections are wired up.
>> 
>> 
>> 
>> 
>> -adrian
>> 
>> 
>> On 19 November 2013 06:23, Julian H. Stacey <jhs at berklix.com> wrote:
>> > Eitan Adler wrote:
>> >> The hardware switches from speakers to headphones automagically when I
>> >> plug in headphones.  I like this behavior but it would be great if
>> >> there were a sysctl to disable it.
>> >
>> > If it's a mini jack that may be an artifact of the socket,
>> > in which case no software can control it.
>> >
>> > Cheers,
>> > Julian
>> > --
>> > Julian Stacey, BSD Unix Linux C Sys Eng Consultant, Munich
>> http://berklix.com
>> >  Interleave replies below like a play script.  Indent old text with "> ".
>> >  Send plain text, not quoted-printable, HTML, base64, or
>> multipart/alternative.
>> >     Extradite NSA spy chief Alexander.
>> http://berklix.eu/jhs/blog/2013_10_30
>> 
> 
> On most sound systems using snd_hda you can do this fairly easily, 
> though
> figuring out the exact incantations can require a bit of reading and
> thought. Details (including sysctls) may be found in snd_hda(4).

It would be uber-awesome if someone wrote a simple gui or ncurses 
interface to
snd_hda(4)'s runtime configuration.