diff --git a/include/sound/asound.h b/include/sound/asound.h
index 475eb71d65ba6fece13ae474f645852a95a14d54..eda5c63ea547a1235c6ebab1b214564a5c2955e0 100644
--- a/include/sound/asound.h
+++ b/include/sound/asound.h
@@ -443,6 +443,7 @@ enum {
 enum {
 	SNDRV_PCM_IOCTL_PVERSION = _IOR('A', 0x00, int),
 	SNDRV_PCM_IOCTL_INFO = _IOR('A', 0x01, struct snd_pcm_info),
+	SNDRV_PCM_IOCTL_TSTAMP = _IOW('A', 0x02, int),
 	SNDRV_PCM_IOCTL_TTSTAMP = _IOW('A', 0x03, int),
 	SNDRV_PCM_IOCTL_HW_REFINE = _IOWR('A', 0x10, struct snd_pcm_hw_params),
 	SNDRV_PCM_IOCTL_HW_PARAMS = _IOWR('A', 0x11, struct snd_pcm_hw_params),
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 7fb7c921b27d29f7ab3c306f30bc45c52b1c191c..2e7b1e63db94ce7899efb6ec373cd04b441d9b7a 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -2546,6 +2546,8 @@ static int snd_pcm_common_ioctl1(struct file *file,
 		return put_user(SNDRV_PCM_VERSION, (int __user *)arg) ? -EFAULT : 0;
 	case SNDRV_PCM_IOCTL_INFO:
 		return snd_pcm_info_user(substream, arg);
+	case SNDRV_PCM_IOCTL_TSTAMP:	/* just for compatibility */
+		return 0;
 	case SNDRV_PCM_IOCTL_TTSTAMP:
 		return snd_pcm_tstamp(substream, arg);
 	case SNDRV_PCM_IOCTL_HW_REFINE: