diff --git a/sys/dev/pcm/isa/mss.c b/sys/dev/pcm/isa/mss.c
index aaf53c09e6ca..82c5e13288e8 100644
--- a/sys/dev/pcm/isa/mss.c
+++ b/sys/dev/pcm/isa/mss.c
@@ -357,7 +357,7 @@ mss_close(dev_t dev, int flags, int mode, struct proc * p)
 }
 
 static int
-mss_ioctl(dev_t dev, int cmd, caddr_t arg, int mode, struct proc * p)
+mss_ioctl(dev_t dev, u_long cmd, caddr_t arg, int mode, struct proc * p)
 {
     snddev_info *d;
     int unit;
diff --git a/sys/dev/pcm/isa/sb.c b/sys/dev/pcm/isa/sb.c
index b76df8f49d34..7fd92ad38b21 100644
--- a/sys/dev/pcm/isa/sb.c
+++ b/sys/dev/pcm/isa/sb.c
@@ -238,7 +238,7 @@ sb_dsp_close(dev_t dev, int flags, int mode, struct proc * p)
 }
 
 static int
-sb_dsp_ioctl(dev_t dev, int cmd, caddr_t arg, int mode, struct proc * p)
+sb_dsp_ioctl(dev_t dev, u_long cmd, caddr_t arg, int mode, struct proc * p)
 {
     int unit;
     snddev_info *d;
diff --git a/sys/dev/sound/isa/mss.c b/sys/dev/sound/isa/mss.c
index aaf53c09e6ca..82c5e13288e8 100644
--- a/sys/dev/sound/isa/mss.c
+++ b/sys/dev/sound/isa/mss.c
@@ -357,7 +357,7 @@ mss_close(dev_t dev, int flags, int mode, struct proc * p)
 }
 
 static int
-mss_ioctl(dev_t dev, int cmd, caddr_t arg, int mode, struct proc * p)
+mss_ioctl(dev_t dev, u_long cmd, caddr_t arg, int mode, struct proc * p)
 {
     snddev_info *d;
     int unit;
diff --git a/sys/dev/sound/isa/sb.c b/sys/dev/sound/isa/sb.c
index b76df8f49d34..7fd92ad38b21 100644
--- a/sys/dev/sound/isa/sb.c
+++ b/sys/dev/sound/isa/sb.c
@@ -238,7 +238,7 @@ sb_dsp_close(dev_t dev, int flags, int mode, struct proc * p)
 }
 
 static int
-sb_dsp_ioctl(dev_t dev, int cmd, caddr_t arg, int mode, struct proc * p)
+sb_dsp_ioctl(dev_t dev, u_long cmd, caddr_t arg, int mode, struct proc * p)
 {
     int unit;
     snddev_info *d;
diff --git a/sys/dev/sound/isa/sb16.c b/sys/dev/sound/isa/sb16.c
index b76df8f49d34..7fd92ad38b21 100644
--- a/sys/dev/sound/isa/sb16.c
+++ b/sys/dev/sound/isa/sb16.c
@@ -238,7 +238,7 @@ sb_dsp_close(dev_t dev, int flags, int mode, struct proc * p)
 }
 
 static int
-sb_dsp_ioctl(dev_t dev, int cmd, caddr_t arg, int mode, struct proc * p)
+sb_dsp_ioctl(dev_t dev, u_long cmd, caddr_t arg, int mode, struct proc * p)
 {
     int unit;
     snddev_info *d;
diff --git a/sys/dev/sound/isa/sb8.c b/sys/dev/sound/isa/sb8.c
index b76df8f49d34..7fd92ad38b21 100644
--- a/sys/dev/sound/isa/sb8.c
+++ b/sys/dev/sound/isa/sb8.c
@@ -238,7 +238,7 @@ sb_dsp_close(dev_t dev, int flags, int mode, struct proc * p)
 }
 
 static int
-sb_dsp_ioctl(dev_t dev, int cmd, caddr_t arg, int mode, struct proc * p)
+sb_dsp_ioctl(dev_t dev, u_long cmd, caddr_t arg, int mode, struct proc * p)
 {
     int unit;
     snddev_info *d;
diff --git a/sys/i386/isa/snd/ad1848.c b/sys/i386/isa/snd/ad1848.c
index aaf53c09e6ca..82c5e13288e8 100644
--- a/sys/i386/isa/snd/ad1848.c
+++ b/sys/i386/isa/snd/ad1848.c
@@ -357,7 +357,7 @@ mss_close(dev_t dev, int flags, int mode, struct proc * p)
 }
 
 static int
-mss_ioctl(dev_t dev, int cmd, caddr_t arg, int mode, struct proc * p)
+mss_ioctl(dev_t dev, u_long cmd, caddr_t arg, int mode, struct proc * p)
 {
     snddev_info *d;
     int unit;
diff --git a/sys/i386/isa/snd/sb_dsp.c b/sys/i386/isa/snd/sb_dsp.c
index b76df8f49d34..7fd92ad38b21 100644
--- a/sys/i386/isa/snd/sb_dsp.c
+++ b/sys/i386/isa/snd/sb_dsp.c
@@ -238,7 +238,7 @@ sb_dsp_close(dev_t dev, int flags, int mode, struct proc * p)
 }
 
 static int
-sb_dsp_ioctl(dev_t dev, int cmd, caddr_t arg, int mode, struct proc * p)
+sb_dsp_ioctl(dev_t dev, u_long cmd, caddr_t arg, int mode, struct proc * p)
 {
     int unit;
     snddev_info *d;
diff --git a/sys/i386/isa/snd/sound.c b/sys/i386/isa/snd/sound.c
index 24fa61b6f9be..72577156025d 100644
--- a/sys/i386/isa/snd/sound.c
+++ b/sys/i386/isa/snd/sound.c
@@ -641,7 +641,7 @@ sndwrite(dev_t i_dev, struct uio * buf, int flag)
  */
 
 static int
-sndioctl(dev_t i_dev, int cmd, caddr_t arg, int mode, struct proc * p)
+sndioctl(dev_t i_dev, u_long cmd, caddr_t arg, int mode, struct proc * p)
 {
     int ret = ENOSYS, dev, unit ;
     snddev_info *d;