ASoC: wm8904: Fill the cache for WM8904_ADC_TEST_0 register

[platform/kernel/linux-starfive.git] / sound / soc / codecs / wm8904.c

diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c
index 791d873..a05d4da 100644 (file)
--- a/sound/soc/codecs/wm8904.c
+++ b/sound/soc/codecs/wm8904.c
@@ -2308,6 +2308,9 @@ static int wm8904_i2c_probe(struct i2c_client *i2c)
        regmap_update_bits(wm8904->regmap, WM8904_BIAS_CONTROL_0,
                            WM8904_POBCTRL, 0);
 
+       /* Fill the cache for the ADC test register */
+       regmap_read(wm8904->regmap, WM8904_ADC_TEST_0, &val);
+
        /* Can leave the device powered off until we need it */
        regcache_cache_only(wm8904->regmap, true);
        regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), wm8904->supplies);