diff --git a/include/sound/hdsp.h b/include/sound/hdsp.h
index 25e1951a9955..dec6b1dc37ea 100644
--- a/include/sound/hdsp.h
+++ b/include/sound/hdsp.h
@@ -30,13 +30,13 @@ enum HDSP_IO_Type {
 };
 
 struct hdsp_peak_rms {
-	u32 input_peaks[26];
-	u32 playback_peaks[26];
-	u32 output_peaks[28];
-	u64 input_rms[26];
-	u64 playback_rms[26];
+	__u32 input_peaks[26];
+	__u32 playback_peaks[26];
+	__u32 output_peaks[28];
+	__u64 input_rms[26];
+	__u64 playback_rms[26];
 	/* These are only used for H96xx cards */
-	u64 output_rms[26];
+	__u64 output_rms[26];
 };
 
 #define SNDRV_HDSP_IOCTL_GET_PEAK_RMS _IOR('H', 0x40, struct hdsp_peak_rms)