ALSA: Fixed compile warning about unused function.

Found by buildbot.
libsdl-org · Nov 5, 2016 · 7ad3a46 · 7ad3a46
1 parent 5819923
commit 7ad3a46
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/audio/alsa/SDL_alsa_audio.c b/src/audio/alsa/SDL_alsa_audio.c
@@ -310,12 +310,14 @@ swizzle_alsa_channels(_THIS, void *buffer, Uint32 bufferlen)
     /* !!! FIXME: update this for 7.1 if needed, later. */
 }
 
+#ifdef SND_CHMAP_API_VERSION
 /* Some devices have the right channel map, no swizzling necessary */
 static void
 no_swizzle(_THIS, void *buffer, Uint32 bufferlen)
 {
     return;
 }
+#endif /* SND_CHMAP_API_VERSION */
 
 
 static void