[MPlayer-matrox] [PATCH] udev support for mga_vid 2.6.11

[Gergely Tamas]

Hi!

Following patch extends mga_vid 2.6.11 with udev support.

--- >>> --- >>> --- >>> ---
diff -ur mga-vid-2.6.11~/mga_vid.c mga-vid-2.6.11/mga_vid.c
--- mga-vid-2.6.11~/mga_vid.c	2005-03-06 12:12:28.000000000 +0100
+++ mga-vid-2.6.11/mga_vid.c	2005-06-05 18:11:05.858378328 +0200
@@ -58,6 +58,8 @@
 #include <linux/string.h>
 #include <linux/errno.h>
 
+#include <linux/device.h>
+
 #include <linux/pci.h>
 #include <linux/ioport.h>
 #include <linux/init.h>
@@ -255,6 +257,9 @@
 #define ICLEAR	    0x1e18
 #define STATUS      0x1e14
 
+struct class_simple *mga_vid_class;
+int mga_vid_major;
+
 /* Global handles for cdev */
 static struct cdev *mga_vid_cdev;
 static dev_t mga_cdev_handle;
@@ -1130,8 +1135,14 @@
 		else
 		{
 			mga_cdev_handle = MKDEV(major,0);
-			if(!register_chrdev_region(mga_cdev_handle, mga_cards_num, "mga_vid"))
+			if(!register_chrdev_region(mga_cdev_handle, mga_cards_num, "mga_vid")) {
+				mga_vid_major = major;
+
+				mga_vid_class = class_simple_create(THIS_MODULE, "mga_vid");
+				class_simple_device_add(mga_vid_class, MKDEV (mga_vid_major, 0), NULL, "mga_vid");
+
 				printk(KERN_INFO "mga_vid: using major: %d (assigned or default!)\n", major);
+			}
 		}
 		/* Allocate a cdev for this character device, and fill in some parameters it needs */
 		mga_vid_cdev = cdev_alloc();
@@ -1180,6 +1191,9 @@
 		}
 	}
 
+	class_simple_device_remove(MKDEV(mga_vid_major, 0));
+	class_simple_destroy(mga_vid_class);
+
 	//FIXME turn off BES
 	cdev_del(mga_vid_cdev);
 	unregister_chrdev_region(mga_cdev_handle, mga_cards_num);
--- <<< --- <<< --- <<< ---

Access permissions can be set ie.:

dice at moon:~$ cat /etc/udev/rules.d/mga_vid.rules
KERNEL="mga_vid", NAME="%k", MODE="0660", GROUP="video"

Gergely