snd_pcm_hw_constraint_ratdens (9)

int snd_pcm_hw_constraint_ratdens(struct snd_pcm_runtime * runtime, unsigned int cond, snd_pcm_hw_param_t var, struct snd_pcm_hw_constraint_ratdens * r);

runtime

PCM runtime instance

cond

condition bits

var

hw_params variable to apply the ratdens constraint

r

struct snd_ratdens constriants

Zero if successful, or a negative error code on failure.