X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/7f9f97c792dee6875fbca9806422bdd7d6c5a657..49b09a2042368947ab34f788f00b710183912285:/LUFA/Drivers/USB/Class/Common/Audio.h

diff --git a/LUFA/Drivers/USB/Class/Common/Audio.h b/LUFA/Drivers/USB/Class/Common/Audio.h
index 0e2c6928e..5d19b6f42 100644
--- a/LUFA/Drivers/USB/Class/Common/Audio.h
+++ b/LUFA/Drivers/USB/Class/Common/Audio.h
@@ -51,6 +51,11 @@
 			extern "C" {
 		#endif
 
+	/* Preprocessor Checks: */
+		#if !defined(__INCLUDE_FROM_AUDIO_DRIVER)
+			#error Do not include this file directly. Include LUFA/Drivers/Class/Audio.h instead.
+		#endif
+
 	/* Macros: */
 		#if !defined(AUDIO_TOTAL_SAMPLE_RATES) || defined(__DOXYGEN__)
 			/** Total number of discrete audio sample rates supported by the device. This value can be overridden by defining this