register_sound_dsp  330 arch/um/drivers/hostaudio_kern.c 	module_data.dev_audio = register_sound_dsp(&hostaudio_fops, -1);
register_sound_dsp   15 include/linux/sound.h extern int register_sound_dsp(const struct file_operations *fops, int dev);
register_sound_dsp 1181 sound/oss/dmasound/dmasound_core.c 	sq_unit = register_sound_dsp(fops, -1);
register_sound_dsp  470 sound/sound_core.c EXPORT_SYMBOL(register_sound_dsp);