diff --git a/sound/soc/codecs/rt5682-sdw.c b/sound/soc/codecs/rt5682-sdw.c
index fc31d04b5203..1d6963dd6403 100644
--- a/sound/soc/codecs/rt5682-sdw.c
+++ b/sound/soc/codecs/rt5682-sdw.c
@@ -160,7 +160,7 @@ static int rt5682_read_prop(struct sdw_slave *slave)
 #define RT5682_CLK_FREQ_2400000HZ 2400000
 #define RT5682_CLK_FREQ_12288000HZ 12288000
 
-int rt5682_clock_config(struct device *dev)
+static int rt5682_clock_config(struct device *dev)
 {
 	struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
 	unsigned int clk_freq, value;