snd_pcm_common_ioctl  676 sound/core/pcm_compat.c 		return snd_pcm_common_ioctl(file, substream, cmd, argp);
snd_pcm_common_ioctl 3013 sound/core/pcm_native.c 	return snd_pcm_common_ioctl(file, pcm_file->substream, cmd,