SND_PCM_HW_CONSTRAIN(9)                      PCM API                      SND_PCM_HW_CONSTRAIN(9)



NAME
       snd_pcm_hw_constraint_integer - apply an integer constraint to an interval

SYNOPSIS
       int snd_pcm_hw_constraint_integer(struct snd_pcm_runtime * runtime,
                                         snd_pcm_hw_param_t var);

ARGUMENTS
       runtime
           PCM runtime instance

       var
           hw_params variable to apply the integer constraint

DESCRIPTION
       Apply the constraint of integer to an interval parameter.

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)