[Bug 23487] No sound on PowerBook 17" 1.67GHz (PowerBook5,7)

[vjrj]

Public bug report changed:
https://launchpad.net/malone/bugs/23487

Comment:
here with a PowerBook 15" 1.67GHz, no sound also using latest dapper kernel:
ii  linux-image-2.6.15-13-powerpc   2.6.15-13.18                    Linux kernel image for version 2.6.15 on PowerPC.

od  -x /proc/device-tree/pci at f2000000/mac-io at 17/i2s at 0/i2s-a at 10000/sound/layout-id
0000000 0000 0052
0000004

adding 0x52 in a same way to the sources and building a custom kernel,
detected as Tonnie and make beep works, but nothing more. No more
controls.