SND_PCM_HW_CONSTRAIN(9)                      PCM API                      SND_PCM_HW_CONSTRAIN(9)



NAME
       snd_pcm_hw_constraint_minmax - apply a min/max range constraint to an interval

SYNOPSIS
       int snd_pcm_hw_constraint_minmax(struct snd_pcm_runtime * runtime, snd_pcm_hw_param_t var,
                                        unsigned int min, unsigned int max);

ARGUMENTS
       runtime
           PCM runtime instance

       var
           hw_params variable to apply the range

       min
           the minimal value

       max
           the maximal value

DESCRIPTION
       Apply the min/max range constraint 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)