ALSA: fix excessive background noise introduced by OSS emulation rate shrink
Steve Chen [Sat, 21 Feb 2009 14:05:04 +0000 (08:05 -0600)]
Incorrect variable was used to get the next sample which caused S2
to be stuck with the same value resulting in loud background noise.

Signed-off-by: Steve Chen <schen at mvista.com>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/core/oss/rate.c

index a466443..2fa9299 100644 (file)
@@ -157,7 +157,7 @@ static void resample_shrink(struct snd_pcm_plugin *plugin,
                while (dst_frames1 > 0) {
                        S1 = S2;
                        if (src_frames1-- > 0) {
-                               S1 = *src;
+                               S2 = *src;
                                src += src_step;
                        }
                        if (pos & ~R_MASK) {