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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>
This commit is contained in:
Simon Glass 2018-11-15 19:56:12 -07:00
parent 68c81fb665
commit 03f11e87a8
1 changed files with 0 additions and 2 deletions
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2
drivers/sound/sound.c
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@ -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;
}
}
}