other versions
- stretch 4.9.168-1
SND_PCM_HW_CONSTRAIN(9) | PCM API | SND_PCM_HW_CONSTRAIN(9) |
NAME¶
snd_pcm_hw_constraint_minmax - apply a min/max range constraint to an intervalSYNOPSIS¶
int snd_pcm_hw_constraint_minmax(struct snd_pcm_runtime * runtime, snd_pcm_hw_param_t var, unsigned int min, unsigned int max);
ARGUMENTS¶
runtimePCM runtime instance
var
hw_params variable to apply the range
min
the minimal value
max
the maximal value
DESCRIPTION¶
Apply the min/max range constraint to an interval parameter.RETURN¶
Positive if the value is changed, zero if it's not changed, or a negative error code.COPYRIGHT¶
April 2019 | Kernel Hackers Manual 4.9. |