snd_pcm_hw_constraint_step(9) centos man page | unix.com

SND_PCM_HW_CONSTRAIN(9) 					      PCM API						   SND_PCM_HW_CONSTRAIN(9)

NAME
       snd_pcm_hw_constraint_step - add a hw constraint step rule

SYNOPSIS
       int snd_pcm_hw_constraint_step(struct snd_pcm_runtime * runtime, unsigned int cond, snd_pcm_hw_param_t var, unsigned long step);

ARGUMENTS
       runtime
	   PCM runtime instance

       cond
	   condition bits

       var
	   hw_params variable to apply the step constraint

       step
	   step size

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

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   SND_PCM_HW_CONSTRAIN(9)