From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <3982B587.31F515D4@gmx.de> Date: Sat, 29 Jul 2000 12:44:23 +0200 From: Matthias Pfisterer MIME-Version: 1.0 To: Benjamin Herrenschmidt CC: Iain Sandoe , linuxppc-dev@lists.linuxppc.org Subject: Re: internal speakers on Pismo References: <3981F1F7.9314DAD3@gmx.de> <20000728221634.5701@192.168.1.10> Content-Type: text/plain; charset=us-ascii Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: Hi, Benjamin Herrenschmidt wrote: > > Ok, I got it working here too. I've pushed changes in my rsync tree > (dmasound 2.2, I'll take care of 2.4 later, I'll send you patches, Iain). > > Basically, clearing the additional registers is not what made it work as > I originally expected ! What made it work was _not_ to enable the > parallel port output. Huh? Are you shure about this? I tried this first (not setting these two bits, but leaving the additional registers alone) and it didn't work. Well, I haven't tried only setting the new registers but enable parallel output. Perhaps I should. However, it is needed on some machines. So what I > did was to enable it conditionally in a way similar to what Darwin does. > I also fixed up detection of screamer chips. > Oddly, the master volume doesn't work (but the speaker volume does). I have no problems with this. I can use both independently from each other. What exactely is the behaviour for you? > Also, Apple code has some weird thing: They detect two different device- > id's for new iMacs (DV/SE). One is an inverted version. But they only > enable the parallel output one of them. I don't know if it's normal or if > it's actually a bug in their code. I did the same thing but left the case > of normal iMacDV in comments, so users of this machine can try and see if > it helps. I suspect that like other iMacs, there's an I2C amplifier/SRS > module that needs to be setup too, but I'm not completely sure. > > Ben. -- Matthias Pfisterer Share your knowledge. It's a way to achieve immortality. (from a nepalese mantra) Java Sound Examples: http://rupert.informatik.uni-stuttgart.de/~pfistere/jsexamples/ Tritonus, the open source implementation of the Java Sound API: http://tritonus.sourceforge.net/ -------------------------------------------------------------- ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/