ASoC: Fix return value of wm8580_set_sysclk()

We can't just pass back the return value of snd_soc_update_bits() as it
will be 1 if a bit changed rather than zero.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c
index b1c8d3de08b2..211285164d70 100644
--- a/sound/soc/codecs/wm8580.c
+++ b/sound/soc/codecs/wm8580.c
@@ -670,7 +670,7 @@ static int wm8580_set_sysclk(struct snd_soc_dai *dai, int clk_id,
 {
         struct snd_soc_codec *codec = dai->codec;
         struct wm8580_priv *wm8580 = snd_soc_codec_get_drvdata(codec);
-        int sel, sel_mask, sel_shift;
+        int ret, sel, sel_mask, sel_shift;
 
         switch (dai->driver->id) {
         case WM8580_DAI_PAIFRX:
@@ -711,7 +711,11 @@ static int wm8580_set_sysclk(struct snd_soc_dai *dai, int clk_id,
         /* We really should validate PLL settings but not yet */
         wm8580->sysclk[dai->driver->id] = freq;
 
-        return snd_soc_update_bits(codec, WM8580_CLKSEL, sel_mask, sel);
+        ret = snd_soc_update_bits(codec, WM8580_CLKSEL, sel_mask, sel);
+        if (ret < 0)
+                return ret;
+
+        return 0;
 }
 
 static int wm8580_digital_mute(struct snd_soc_dai *codec_dai, int mute)