ASoC: ad193x: fix dac word len setting

dac word len value should left shift before setting

Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Acked-by: Barry Song <21cnbao@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@kernel.org

2 files changed, 3 insertions, 1 deletions

diff --git a/sound/soc/codecs/ad193x.c b/sound/soc/codecs/ad193x.c
index 2374ca5ffe68..f1a8be58255b 100644
--- a/sound/soc/codecs/ad193x.c
+++ b/sound/soc/codecs/ad193x.c
@@ -307,7 +307,8 @@ static int ad193x_hw_params(struct snd_pcm_substream *substream,
         snd_soc_write(codec, AD193X_PLL_CLK_CTRL0, reg);
 
         reg = snd_soc_read(codec, AD193X_DAC_CTRL2);
-        reg = (reg & (~AD193X_DAC_WORD_LEN_MASK)) | word_len;
+        reg = (reg & (~AD193X_DAC_WORD_LEN_MASK))
+                | (word_len << AD193X_DAC_WORD_LEN_SHFT);
         snd_soc_write(codec, AD193X_DAC_CTRL2, reg);
 
         reg = snd_soc_read(codec, AD193X_ADC_CTRL1);
diff --git a/sound/soc/codecs/ad193x.h b/sound/soc/codecs/ad193x.h
index c1029d242c84..cccc2e8e5fbd 100644
--- a/sound/soc/codecs/ad193x.h
+++ b/sound/soc/codecs/ad193x.h
@@ -34,6 +34,7 @@
 #define AD193X_DAC_LEFT_HIGH    (1 << 3)
 #define AD193X_DAC_BCLK_INV     (1 << 7)
 #define AD193X_DAC_CTRL2        0x804
+#define AD193X_DAC_WORD_LEN_SHFT        3
 #define AD193X_DAC_WORD_LEN_MASK        0x18
 #define AD193X_DAC_MASTER_MUTE  1
 #define AD193X_DAC_CHNL_MUTE    0x805