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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 interval

SYNOPSIS

int snd_pcm_hw_constraint_minmax(struct snd_pcm_runtime * runtime, snd_pcm_hw_param_t var, unsigned int min, unsigned int max);

ARGUMENTS

runtime

PCM 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

January 2017 Kernel Hackers Manual 4.8.