tea575x: Switch to unlocked_ioctl

index 87e3aef..c1d6184 100644
@@ -25,6 +25,7 @@
 #include <linux/interrupt.h>
 #include <linux/init.h>
 #include <sound/core.h>
+#include <linux/smp_lock.h>
 #include <sound/tea575x-tuner.h>
 
 MODULE_AUTHOR("Jaroslav Kysela <[email protected]>");

@@ -84,12 +85,14 @@ static void snd_tea575x_set_freq(struct snd_tea575x *tea)
  * Linux Video interface
  */
 
-static int snd_tea575x_ioctl(struct inode *inode, struct file *file,
-			     unsigned int cmd, unsigned long data)
+static long snd_tea575x_ioctl(struct file *file, unsigned int cmd,
+						unsigned long data)
 {
 	struct video_device *dev = video_devdata(file);
 	struct snd_tea575x *tea = video_get_drvdata(dev);
 	void __user *arg = (void __user *)data;
+
+#warning "Video4Linux 1 is obsolete. Please update this driver"
 	
 	switch(cmd) {
 		case VIDIOCGCAP:

@@ -103,7 +106,9 @@ static int snd_tea575x_ioctl(struct inode *inode, struct file *file,
 			v.maxheight = 0;
 			v.minwidth = 0;
 			v.minheight = 0;
+			lock_kernel();
 			strcpy(v.name, tea->tea5759 ? "TEA5759" : "TEA5757");
+			unlock_kernel();
 			if (copy_to_user(arg,&v,sizeof(v)))
 				return -EFAULT;
 			return 0;

@@ -136,13 +141,16 @@ static int snd_tea575x_ioctl(struct inode *inode, struct file *file,
 			return 0;
 		}
 		case VIDIOCGFREQ:
+			/* FIXME: freq locking is needed ?? */
 			if(copy_to_user(arg, &tea->freq, sizeof(tea->freq)))
 				return -EFAULT;
 			return 0;
 		case VIDIOCSFREQ:
 			if(copy_from_user(&tea->freq, arg, sizeof(tea->freq)))
 				return -EFAULT;
+			lock_kernel();
 			snd_tea575x_set_freq(tea);
+			unlock_kernel();
 			return 0;
 		case VIDIOCGAUDIO:
 		{	

@@ -158,16 +166,18 @@ static int snd_tea575x_ioctl(struct inode *inode, struct file *file,
 			struct video_audio v;
 			if(copy_from_user(&v, arg, sizeof(v))) 
 				return -EFAULT;	
+			lock_kernel();
 			if (tea->ops->mute)
 				tea->ops->mute(tea,
 					       (v.flags &
 						VIDEO_AUDIO_MUTE) ? 1 : 0);
+			unlock_kernel();
 			if(v.audio) 
 				return -EINVAL;
 			return 0;
 		}
 		default:
-			return -ENOIOCTLCMD;
+			return -ENOTTY;
 	}
 }
 

@@ -198,7 +208,7 @@ void snd_tea575x_init(struct snd_tea575x *tea)
 	tea->fops.owner = tea->card->module;
 	tea->fops.open = video_exclusive_open;
 	tea->fops.release = video_exclusive_release;
-	tea->fops.ioctl = snd_tea575x_ioctl;
+	tea->fops.unlocked_ioctl = snd_tea575x_ioctl;
 	if (video_register_device(&tea->vd, VFL_TYPE_RADIO, tea->dev_nr - 1) < 0) {
 		snd_printk(KERN_ERR "unable to register tea575x tuner\n");
 		return;