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.

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