SND_PCM_FORMAT_PHYSI(9) PCM API SND_PCM_FORMAT_PHYSI(9)NAMEsnd_pcm_format_physical_width - return the physical bit-width of the
format
SYNOPSIS
int snd_pcm_format_physical_width(snd_pcm_format_t format);
ARGUMENTS
format
the format to check
DESCRIPTION
Returns the physical bit-width of the format, or a negative error code
if unknown format.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 SND_PCM_FORMAT_PHYSI(9)