SND_PCM_HW_CONSTRAIN(9)                      PCM API                      SND_PCM_HW_CONSTRAIN(9)



NAME
       snd_pcm_hw_constraint_ratnums - apply ratnums constraint to a parameter

SYNOPSIS
       int snd_pcm_hw_constraint_ratnums(struct snd_pcm_runtime * runtime, unsigned int cond,
                                         snd_pcm_hw_param_t var,
                                         const struct snd_pcm_hw_constraint_ratnums * r);

ARGUMENTS
       runtime
           PCM runtime instance

       cond
           condition bits

       var
           hw_params variable to apply the ratnums constraint

       r
           struct snd_ratnums constriants

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

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   SND_PCM_HW_CONSTRAIN(9)