-------------- Original message ---------------------- From: "Clemens Ladisch" <cladisch@xxxxxxxxxxxx> > Thomas Witzel wrote: > > I'm not sure this really belongs here, but I have nowhere else to ask. I'm > > writing an Intel ICH sound driver for Xenomai (real time Linux) and got stuck > > with no sound. I'm not doing this for a common audio application but rather > > in an attempt to generate an experimental setup with low-cost arbitrary > > waveform function generators (which are the sound chips). > > Long story short, I learned as much as I could from looking at the ALSA driver > > and the datasheet. > > Did you read the PRM, too? Yes, that gave me the instructions on how to do the DMA. > > I'm running the DMA on the PCM OUT I believe, but I get no sound. I > > set all mixer volume controls to max (and read them back to confirm) > > and make sure they are unmuted. Codec one is ready, AC97 power is up. > > What codec are you using? Many codecs must be configured to route the > sound to the correct output. On my development machine its a ALC650 (RealTek) in the oldest incarnation (0x414c,0x4720). If it helps I can post an archive of my code somewhere. Thanks for your help so far ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-devel
