[ALSA] 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 <12o3l@tiscali.nl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c
index bf2ab72d49bf21488032258350b926b75ea000eb..e73fcfd9f5cd41638acbc8d3ad5e30f532fe829f 100644 (file)
--- a/sound/soc/codecs/cs4270.c
+++ b/sound/soc/codecs/cs4270.c
@@ -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;