snd_ac97_pcm_open (9)

int snd_ac97_pcm_open(struct ac97_pcm * pcm, unsigned int rate, enum ac97_pcm_cfg cfg, unsigned short slots);

pcm

the ac97 pcm instance

rate

rate in Hz, if codec does not support VRA, this value must be 48000Hz

cfg

output stream characteristics

slots

a subset of allocated slots (snd_ac97_pcm_assign) for this pcm

It locks the specified slots and sets the given rate to AC97 registers.

Zero if successful, or a negative error code on failure.