sound: Correct data output in sound_create_square_wave()

This function currently outputs twice as much data as it should and
overwrites its buffer as a result. Fix it.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/sound/sound.c b/drivers/sound/sound.c
index 969408186fd8f1a2c0bf049a1fc5c113ed8c3df5..6c1eb4c19cc3fad00f727241544213ceaec99507 100644 (file)
--- a/drivers/sound/sound.c
+++ b/drivers/sound/sound.c
@@ -25,12 +25,10 @@ void sound_create_square_wave(unsigned short *data, int size, uint32_t freq)
                for (i = 0; size && i < half; i++) {
                        size -= 2;
                        *data++ = amplitude;
-                       *data++ = amplitude;
                }
                for (i = 0; size && i < period - half; i++) {
                        size -= 2;
                        *data++ = -amplitude;
-                       *data++ = -amplitude;
                }
        }
 }