Date: Wed, 20 Nov 2013 12:28:58 +0100 From: Lars Engels <lars.engels@0x20.net> To: freebsd-mobile@freebsd.org Subject: Re: Story of a Desktop User Message-ID: <2906d296df7b8291c64f4d0bbd8a6eb6@mail.0x20.net> In-Reply-To: <CAN6yY1sGPNsNZCyoJpeSa%2B3YT6=Teg=GUH7_pcyE4ociRHYcvg@mail.gmail.com> References: <CAF6rxgmQVKizx2UOZst0MoeyP5fsKzT%2BGYi2RFEgvJFXzWbB8Q@mail.gmail.com> <201311191423.rAJENKDc010371@fire.js.berklix.net> <CAJ-Vmo=XpN9Bx4eZ-f_Jjq5gNR%2BnLCrZRqhsh1F-43LyF7OSiA@mail.gmail.com> <CAN6yY1sGPNsNZCyoJpeSa%2B3YT6=Teg=GUH7_pcyE4ociRHYcvg@mail.gmail.com>
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Am 2013-11-20 07:05, schrieb Kevin Oberman: > On Tue, Nov 19, 2013 at 7:20 PM, Adrian Chadd <adrian@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@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.
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