SND_PCM_HW_CONSTRAIN(9)                      PCM API                      SND_PCM_HW_CONSTRAIN(9)



NAME
       snd_pcm_hw_constraint_single - Constrain parameter to a single value

SYNOPSIS
       int snd_pcm_hw_constraint_single(struct snd_pcm_runtime * runtime, snd_pcm_hw_param_t var,
                                        unsigned int val);

ARGUMENTS
       runtime
           PCM runtime instance

       var
           The hw_params variable to constrain

       val
           The value to constrain to

RETURN
       Positive if the value is changed, zero if it's not changed, or a negative error code.

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