--- em8300-0.18.0-n/modules/em8300_main.c	2011-01-14 17:24:18.798732449 +0200
+++ em8300-0.18.0-nn/modules/em8300_main.c	2011-01-14 17:36:43.685891526 +0200
@@ -864,7 +864,12 @@
 	init_waitqueue_head(&em->sp_ptsfifo_wait);
 
 	em->audio_driver_style = NONE;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)
+	/* TODO: check if this should be a mutex instead */
+	sema_init(&em->audio_driver_style_lock, 1);
+#else
 	init_MUTEX(&em->audio_driver_style_lock);
+#endif
 
 	result = request_irq(dev->irq, em8300_irq, IRQF_SHARED | IRQF_DISABLED, "em8300", (void *) em);
 
--- em8300-0.18.0-n/include/linux/em8300.h	2009-12-21 00:24:55.000000000 +0200
+++ em8300-0.18.0-nn/include/linux/em8300.h	2011-01-14 17:35:16.483771864 +0200
@@ -233,6 +233,9 @@
 #include <linux/time.h> /* struct timeval */
 #include <linux/wait.h> /* wait_queue_head_t */
 #include <linux/list.h> /* struct list_head */
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26)
+#include <linux/semaphore.h> /* struct semaphore */
+#endif
 
 #if defined(CONFIG_SND) || defined(CONFIG_SND_MODULE)
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,16)
--- em8300-0.18.0-n/modules/em8300_alsa.c	2009-12-21 00:24:55.000000000 +0200
+++ em8300-0.18.0-nn/modules/em8300_alsa.c	2011-01-14 17:50:49.185523277 +0200
@@ -487,7 +487,12 @@
 
 	memset(em8300_alsa, 0, sizeof(em8300_alsa_t));
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)
+	/* TODO: check if this should be a mutex instead */
+	sema_init(&em8300_alsa->lock, 1);
+#else
 	init_MUTEX(&em8300_alsa->lock);
+#endif
 
 	em8300_alsa->em = em;
 	em8300_alsa->card = card;
--- em8300-0.18.0-n/modules/em8300_fifo.c	2009-12-21 00:24:55.000000000 +0200
+++ em8300-0.18.0-nn/modules/em8300_fifo.c	2011-01-14 17:51:17.594450229 +0200
@@ -115,7 +115,12 @@
 		}
 	}
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)
+	/* TODO: check if this should be a mutex instead */
+	sema_init(&f->lock, 1);
+#else
 	init_MUTEX(&f->lock);
+#endif
 	f->valid = 1;
 
 	return 0;