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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

RETURN

The value for field var if it's fixed in configuration space defined by params. -EINVAL otherwise.

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.