ASoC: wm8960: Fix ADC volume bits

Signed-off-by: Ma Haijun <mahaijuns@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
index 0a4ffdd..368d39f 100644
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -263,8 +263,8 @@
 SOC_SINGLE("Noise Gate Threshold", WM8960_NOISEG, 3, 31, 0),
 SOC_SINGLE("Noise Gate Switch", WM8960_NOISEG, 0, 1, 0),
 
-SOC_DOUBLE_R("ADC PCM Capture Volume", WM8960_LINPATH, WM8960_RINPATH,
-	0, 127, 0),
+SOC_DOUBLE_R_TLV("ADC PCM Capture Volume", WM8960_LADC, WM8960_RADC,
+	0, 255, 0, adc_tlv),
 
 SOC_SINGLE_TLV("Left Output Mixer Boost Bypass Volume",
 	       WM8960_BYPASS1, 4, 7, 1, bypass_tlv),