SOC: fix tests in cs4270_hw_params()

cs4270_hw_params does several times:

ret = snd_soc_write()
if (ret < 0)

	...

This only works when ret is signed.

Signed-off-by Roel Kluin <[email protected]>

---

sound/soc/codecs/cs4270.c +1 -1

index bf2ab72..e73fcfd 100644
@@ -372,7 +372,7 @@ static int cs4270_hw_params(struct snd_pcm_substream *substream,
 	struct snd_soc_device *socdev = rtd->socdev;
 	struct snd_soc_codec *codec = socdev->codec;
 	struct cs4270_private *cs4270 = codec->private_data;
-	unsigned int ret = 0;
+	int ret;
 	unsigned int i;
 	unsigned int rate;
 	unsigned int ratio;

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cs4270_hw_params does several times:

ret = snd_soc_write()
if (ret < 0)

	...

This only works when ret is signed.

Signed-off-by Roel Kluin <[email protected]>