On Tue, Nov 19, 2013 at 7:20 PM, Adrian Chadd <[email protected]> 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 <[email protected]> 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). -- R. Kevin Oberman, Network Engineer E-mail: [email protected] _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-desktop To unsubscribe, send any mail to "[email protected]"
