[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: volunteer to fix ALSA for every PPC subarch found! :-)



> > I can provide almost all the necessary informations. I have specs for
> > most chips, and those I don't have spec for have Darwin drivers that
> > should tell us all we need to know.
> >
> > There are several issues though, as I wrote earlier. More than just
> > "fixups", we need some real re-architecture of the driver. We need to
> > properly separate the transport layer (can be davbus or i2s) from the
> > codecs, deal with multiple codecs (G5s have that typically) and multiple
> > transport busses (some machines have codecs on the 2 i2s interfaces), we
> > need to properly reprogram the i2s clocks, we need to do clock switching
> > when fed with a digital input signal, etc...
> >
> > Also, on pretty much all recent machines, the only info that you have
> > about the sound hardware is an "ID" value in the device-tree. Apple code
> > matches that value with some XML structure in the driver property list
> > that indicates what set of codecs etc... to use.
> >
> > I don't have time to actually do the work, but I'm willing to help.
> 
> Adding the above info as a comment to the ALSA BTS bug I opened would already be 
> a tremendous start. :)

Please do it for me, I can't be bothered opening yet another account to
some random BTS ...

Ben.




Reply to: