Index: uspace/lib/c/include/ipc/dev_iface.h
===================================================================
--- uspace/lib/c/include/ipc/dev_iface.h	(revision 03c971f2e2115454ea0fbcaca3ac08bd88ac0a3c)
+++ uspace/lib/c/include/ipc/dev_iface.h	(revision da41cc2d54491f3247d0c490a56072e5fa815891)
@@ -37,9 +37,4 @@
 	HW_RES_DEV_IFACE = 0,
 
-	/** Audio device mixer interface */
-	AUDIO_MIXER_IFACE,
-	/** Audio device pcm buffer interface */
-	AUDIO_PCM_BUFFER_IFACE,
-
 	/** Character device interface */
 	CHAR_DEV_IFACE,
@@ -47,4 +42,9 @@
 	/** Graphic device interface */
 	GRAPH_DEV_IFACE,
+
+	/** Audio device mixer interface */
+	AUDIO_MIXER_IFACE,
+	/** Audio device pcm buffer interface */
+	AUDIO_PCM_BUFFER_IFACE,
 	
 	/** Network interface controller interface */
@@ -60,8 +60,11 @@
 	/** Interface provided by USB HID devices. */
 	USBHID_DEV_IFACE,
+
 	/** Interface provided by Real Time Clock devices */
 	CLOCK_DEV_IFACE,
+
 	/** Interface provided by battery powered devices */
 	BATTERY_DEV_IFACE,
+
 	/** Interface provided by AHCI devices. */
 	AHCI_DEV_IFACE,