SND_PCM_FORMAT_SIGNE(9) PCM API SND_PCM_FORMAT_SIGNE(9)NAMEsnd_pcm_format_signed - Check the PCM format is signed linear
SYNOPSIS
int snd_pcm_format_signed(snd_pcm_format_t format);
ARGUMENTS
format
the format to check
RETURN
1 if the given PCM format is signed linear, 0 if unsigned linear, and a
negative error code for non-linear formats.
COPYRIGHTKernel Hackers Manual 3.11 November 2013 SND_PCM_FORMAT_SIGNE(9)