ASoC: wm8940: Fix check on error code form snd_soc_codec_set_cache_io

Fix for typo in commit 8d50e447d19fec64adebeef55f2b60d695435412
ASoC: Factor out I/O for Wolfson 8 bit data 16 bit register CODECs

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/sound/soc/codecs/wm8940.c b/sound/soc/codecs/wm8940.c
index da97aae475a2..1ef2454c5205 100644
--- a/sound/soc/codecs/wm8940.c
+++ b/sound/soc/codecs/wm8940.c
@@ -790,7 +790,7 @@ static int wm8940_register(struct wm8940_priv *wm8940,
         codec->reg_cache = &wm8940->reg_cache;
 
         ret = snd_soc_codec_set_cache_io(codec, 8, 16, control);
-        if (ret == 0) {
+        if (ret < 0) {
                 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
                 return ret;
         }