add parens around args in MIDI_EVENT macro

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Common / MIDIClassCommon.h

diff --git a/LUFA/Drivers/USB/Class/Common/MIDIClassCommon.h b/LUFA/Drivers/USB/Class/Common/MIDIClassCommon.h
index f52013c..b6f6034 100644 (file)
--- a/LUFA/Drivers/USB/Class/Common/MIDIClassCommon.h
+++ b/LUFA/Drivers/USB/Class/Common/MIDIClassCommon.h
@@ -135,7 +135,7 @@
                 *
                 *  \return Constructed MIDI event ID.
                 */
-               #define MIDI_EVENT(virtualcable, command)  ((virtualcable << 4) | (command >> 4))
+               #define MIDI_EVENT(virtualcable, command)  (((virtualcable) << 4) | ((command) >> 4))
 
        /* Enums: */
                /** Enum for the possible MIDI jack types in a MIDI device jack descriptor. */