snd-aoa on PowerMac 8,2

[Eduardo Trápani <mapache@debian.org>]

> > Mar 29 13:26:17 mapache kernel: snd-aoa-codec-onyx: found k2-i2c, checking if onyx chip is on it
> > Mar 29 13:26:17 mapache kernel: low_i2c:xfer() chan=0, addrdir=0x47, mode=4, subsize=1, subaddr=0x43, 1 bytes, bus /ht@0,f2000000/pci@2/mac-io@7/i2c@18000
> > Mar 29 13:26:17 mapache kernel: low_i2c:kw_handle_interrupt(state_addr, isr: 6)
> > Mar 29 13:26:17 mapache kernel: low_i2c:KW: NAK on address
> > Mar 29 13:26:17 mapache kernel: low_i2c:kw_handle_interrupt(state_stop, isr: 6)
> > Mar 29 13:26:17 mapache kernel: KW: wrong state. Got KW_I2C_IRQ_ADDR, state: state_stop (isr: 06)
> > Mar 29 13:26:17 mapache kernel: low_i2c:kw_handle_interrupt(state_stop, isr: 4)
> > Mar 29 13:26:17 mapache kernel: low_i2c:xfer error -5
> > Mar 29 13:26:17 mapache kernel: snd-aoa-codec-onyx: failed to read control register
> > Mar 29 13:26:18 mapache kernel: low_i2c:xfer() chan=11, addrdir=0x93, mode=4, subsize=1, subaddr=0x0, 2 bytes, bus /smu@0,0/smu-i2c-control@0/i2c-bus@b
> >
> >
> > Anything else to try? The following related modules were loaded:
>
>
> Looks like it is on another i2c address or bus on those machines.
> Bugger. I have no idea how to find out which one.

Would the tarball of device-tree help?  There must be a way ...

Is the address of the onyx codec hardwired in your code?

Eduardo.