SND_PCM_HW_CONSTRAIN(9) Sound Devices SND_PCM_HW_CONSTRAIN(9)NAMEsnd_pcm_hw_constraint_step - add a hw constraint step rule
SYNOPSIS
int snd_pcm_hw_constraint_step(struct snd_pcm_runtime * runtime,
unsigned int cond,
snd_pcm_hw_param_t var,
unsigned long step);
ARGUMENTS
runtime
PCM runtime instance
cond
condition bits
var
hw_params variable to apply the step constraint
step
step size
RETURN
Zero if successful, or a negative error code on failure.
COPYRIGHTKernel Hackers Manual 3.11 November 2013 SND_PCM_HW_CONSTRAIN(9)