[U-Boot] [PATCH 1/4] sound: Correct data output in sound_create_square_wave()
Simon Glass
sjg at chromium.org
Fri Nov 16 02:56:12 UTC 2018
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 at chromium.org>
---
drivers/sound/sound.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/sound/sound.c b/drivers/sound/sound.c
index 969408186fd..6c1eb4c19cc 100644
--- 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;
}
}
}
--
2.19.1.1215.g8438c0b245-goog
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