sound: Mark sound_setup() as optional

[oweals/u-boot.git] / include / sound.h

diff --git a/include/sound.h b/include/sound.h
index b7959cc260751da14009146858c3b0b4e1def955..7d528c479efb1cab041981a9c157ea8ad0375aae 100644 (file)
--- a/include/sound.h
+++ b/include/sound.h
@@ -54,7 +54,7 @@ void sound_create_square_wave(uint sample_rate, unsigned short *data, int size,
 /* Operations for sound */
 struct sound_ops {
        /**
-        * setup() - Set up to play a sound
+        * setup() - Set up to play a sound (optional)
         */
        int (*setup)(struct udevice *dev);