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.