snd_pcm_playback_ioctl1  502 sound/core/pcm_compat.c 			return snd_pcm_playback_ioctl1(file, substream, cmd, argp);
snd_pcm_playback_ioctl1 2739 sound/core/pcm_native.c 	return snd_pcm_playback_ioctl1(file, pcm_file->substream, cmd,
snd_pcm_playback_ioctl1 2766 sound/core/pcm_native.c 		result = snd_pcm_playback_ioctl1(NULL, substream, cmd,