[Buildroot] AC97 audio on AT91SAM9263

Matthew Dombroski matthew.dombroski at gmail.com
Thu Jun 26 04:50:38 UTC 2008

Has anyone here got the AC97 audio on the AT91 series working?
I am using the experimental driver from

The driver compiles, runs but alsa utils all fail with some IOCTL error.
alsamixer: function snd_mixer_load failed: Inappropriate ioctl for device
alsactl: get_control:259: Cannot read control '2,0,0,Master Playback
Switch,0': Inappropriate ioctl for device

I am using a buildroot snapshot (about a month old) and linux 2.6.24
(at91 + at91-exp patches)


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