[PATCH] ASoC: ak4613: use snd_soc_update_bits() to avoid Reserve bit on I/O CTRL

[Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>]

From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
 sound/soc/codecs/ak4613.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/ak4613.c b/sound/soc/codecs/ak4613.c
index e819dd8..b2dfdde 100644
--- a/sound/soc/codecs/ak4613.c
+++ b/sound/soc/codecs/ak4613.c
@@ -75,6 +75,12 @@
 #define DFS_DOUBLE_SPEED	(1 << 2)
 #define DFS_QUAD_SPEED		(2 << 2)
 
+/* ICTRL */
+#define ICTRL_MASK	(0x3)
+
+/* OCTRL */
+#define OCTRL_MASK	(0x3F)
+
 struct ak4613_formats {
 	unsigned int width;
 	unsigned int fmt;
@@ -365,8 +371,8 @@ static int ak4613_dai_hw_params(struct snd_pcm_substream *substream,
 	snd_soc_update_bits(codec, CTRL1, FMT_MASK, fmt_ctrl);
 	snd_soc_update_bits(codec, CTRL2, DFS_MASK, ctrl2);
 
-	snd_soc_write(codec, ICTRL, priv->ic);
-	snd_soc_write(codec, OCTRL, priv->oc);
+	snd_soc_update_bits(codec, ICTRL, ICTRL_MASK, priv->ic);
+	snd_soc_update_bits(codec, OCTRL, OCTRL_MASK, priv->oc);
 
 hw_params_end:
 	if (ret < 0)
-- 
1.9.1