--- tumbler.c~	2004-08-12 18:15:31.000000000 +0200
+++ tumbler.c	2004-08-12 18:14:47.000000000 +0200
@@ -846,7 +846,11 @@
 	}
 }
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+static struct tq_struct device_change;
+#else
 static struct work_struct device_change;
+#endif
 
 static void
 device_change_handler(void *self)
@@ -895,7 +899,11 @@
 
 		/* finally we need to schedule an update of the mixer values
 		   (master and DRC are enough for now) -ReneR */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+		schedule_task(&device_change);
+#else
 		schedule_work(&device_change);
+#endif
 
 	}
 }
@@ -1156,7 +1164,11 @@
 	chip->resume = tumbler_resume;
 #endif
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+	INIT_TQUEUE(&device_change, device_change_handler, (void *)chip);
+#else
 	INIT_WORK(&device_change, device_change_handler, (void *)chip);
+#endif
 
 #ifdef PMAC_SUPPORT_AUTOMUTE
 	if (mix->headphone_irq >=0 && (err = snd_pmac_add_automute(chip)) < 0)