Adrian McMenamin wrote:
I am writing a PCM driver for the AICA device on the Sega Dreamcast for a 2.6.0-testX kernel.

The driver is far from complete, but I am having various problems when I test bits of it...

A simple write of a file gives me this...

/dev/snd # cat /test.txt > pcmC0D0p
ALSA sound/sh/aica.c:165: In snd_aica_playback_open
ALSA sound/sh/aica.c:80: Disabling AICA device
ALSA sound/sh/aica.c:66: Enabling AICA device
cat: write: File descriptor in bad state

The three snd_printk messages are just what I would expect but I am not sure why I get the message about the file descriptor.

Why don't you do instead: -
aplay test.txt

I don't think you can write to pcmC0D0p directly, you have to go via the alsa-lib.

Cheers
James




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