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SND_PCM_HW_CONSTRAIN(9) PCM API SND_PCM_HW_CONSTRAIN(9)

NAME

snd_pcm_hw_constraint_msbits - add a hw constraint msbits rule

SYNOPSIS

int snd_pcm_hw_constraint_msbits(struct snd_pcm_runtime * runtime, unsigned int cond, unsigned int width, unsigned int msbits);

ARGUMENTS

runtime
PCM runtime instance

cond

condition bits

width

sample bits width

msbits

msbits width

DESCRIPTION

This constraint will set the number of most significant bits (msbits) if a sample format with the specified width has been select. If width is set to 0 the msbits will be set for any sample format with a width larger than the specified msbits.

RETURN

Zero if successful, or a negative error code on failure.

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.