[media] media: Pick a free ioctls range

Pick an unused range of ioctls in Documentation/ioctl/ioctl-number.txt
and use it for the MEDIA_IOC_* ioctls.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

Documentation/ioctl/ioctl-number.txt

@@ -272,6 +272,7 @@ Code  Seq#(hex)	Include File		Comments
 'z'	40-7F				CAN bus card	conflict!
 					<mailto:oe@port.de>
 'z'	10-4F	drivers/s390/crypto/zcrypt_api.h	conflict!
+'|'	00-7F	linux/media.h
 0x80	00-1F	linux/fb.h
 0x89	00-06	arch/x86/include/asm/sockios.h
 0x89	0B-DF	linux/sockios.h

include/linux/media.h

@@ -124,9 +124,9 @@ struct media_links_enum {
 	__u32 reserved[4];
 };
 
-#define MEDIA_IOC_DEVICE_INFO		_IOWR('M', 1, struct media_device_info)
-#define MEDIA_IOC_ENUM_ENTITIES		_IOWR('M', 2, struct media_entity_desc)
-#define MEDIA_IOC_ENUM_LINKS		_IOWR('M', 3, struct media_links_enum)
-#define MEDIA_IOC_SETUP_LINK		_IOWR('M', 4, struct media_link_desc)
+#define MEDIA_IOC_DEVICE_INFO		_IOWR('|', 0x00, struct media_device_info)
+#define MEDIA_IOC_ENUM_ENTITIES		_IOWR('|', 0x01, struct media_entity_desc)
+#define MEDIA_IOC_ENUM_LINKS		_IOWR('|', 0x02, struct media_links_enum)
+#define MEDIA_IOC_SETUP_LINK		_IOWR('|', 0x03, struct media_link_desc)
 
 #endif /* __LINUX_MEDIA_H */