snd_pcm_hw_constraint_mask64 (9)

int snd_pcm_hw_constraint_mask64(struct snd_pcm_runtime * runtime, snd_pcm_hw_param_t var, u_int64_t mask);

runtime

PCM runtime instance

var

hw_params variable to apply the mask

mask

the 64bit bitmap mask

Apply the constraint of the given bitmap mask to a 64-bit mask parameter.

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