table of contents
| SND_PCM_HW_PARAM_VAL(9) | PCM API | SND_PCM_HW_PARAM_VAL(9) |
NAME¶
snd_pcm_hw_param_value - return params field var value
SYNOPSIS¶
int snd_pcm_hw_param_value(const struct snd_pcm_hw_params * params, snd_pcm_hw_param_t var, int * dir);
ARGUMENTS¶
params
the hw_params instance
var
parameter to retrieve
dir
pointer to the direction (-1,0,1) or NULL
DESCRIPTION¶
Return the value for field var if it´s fixed in configuration space defined by params. Return -EINVAL otherwise.
COPYRIGHT¶
| April 2023 | Kernel Hackers Manual 2.6. |