SND_PCM_HW_CONSTRAIN(9) Sound Devices SND_PCM_HW_CONSTRAIN(9)NAMEsnd_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.
COPYRIGHTKernel Hackers Manual 3.11 November 2013 SND_PCM_HW_CONSTRAIN(9)