snd_pcm_plug_slave_format  885 sound/core/oss/pcm_oss.c 		sformat = snd_pcm_plug_slave_format(format, &sformat_mask);
snd_pcm_plug_slave_format  128 sound/core/oss/pcm_plugin.h int snd_pcm_plug_slave_format(int format, struct snd_mask *format_mask);