centos man page for snd_ac97_pcm_open

SND_AC97_PCM_OPEN(9)						 Control/Mixer API					      SND_AC97_PCM_OPEN(9)

NAME
       snd_ac97_pcm_open - opens the given AC97 pcm

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

ARGUMENTS
       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

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

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

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						      SND_AC97_PCM_OPEN(9)