diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c
index af49721ba0e3..102e8fd1d450 100644
--- a/sound/core/pcm_compat.c
+++ b/sound/core/pcm_compat.c
@@ -101,7 +101,9 @@ struct snd_pcm_sw_params32 {
 	u32 silence_threshold;
 	u32 silence_size;
 	u32 boundary;
-	unsigned char reserved[64];
+	u32 proto;
+	u32 tstamp_type;
+	unsigned char reserved[56];
 };
 
 /* recalcuate the boundary within 32bit */
@@ -133,7 +135,9 @@ static int snd_pcm_ioctl_sw_params_compat(struct snd_pcm_substream *substream,
 	    get_user(params.start_threshold, &src->start_threshold) ||
 	    get_user(params.stop_threshold, &src->stop_threshold) ||
 	    get_user(params.silence_threshold, &src->silence_threshold) ||
-	    get_user(params.silence_size, &src->silence_size))
+	    get_user(params.silence_size, &src->silence_size) ||
+	    get_user(params.tstamp_type, &src->tstamp_type) ||
+	    get_user(params.proto, &src->proto))
 		return -EFAULT;
 	/*
 	 * Check silent_size parameter.  Since we have 64bit boundary,