From 566db037828dcb44142ad59dfc400b8b258cf33b Mon Sep 17 00:00:00 2001
From: Joonyoung Shim <jy0922.shim@samsung.com>
Date: Mon, 7 Sep 2009 12:04:37 +0900
Subject: [PATCH] --- yaml --- r: 170127 b: refs/heads/master c:
 341c9b84bc01040bd5c75140303e32f6b10098f3 h: refs/heads/master i:   170125:
 92148e23d591535462d91c84f7d18ace7120a289   170123:
 2d740daf16c6e87d27e1c91845bd2b5b666249d7   170119:
 be8c4d7d4ed39c69819ca8069748fadca79d095a   170111:
 32f4783855c0e76c58d110a6c0b69b4017e72575 v: v3

---
 [refs]                      |  2 +-
 trunk/sound/soc/soc-cache.c | 30 ++++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 7ad256f7fe55..caa0e57d6ead 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 85488037bb9b533b064be66412dbe1dbcd2734d9
+refs/heads/master: 341c9b84bc01040bd5c75140303e32f6b10098f3
diff --git a/trunk/sound/soc/soc-cache.c b/trunk/sound/soc/soc-cache.c
index c8ceddc2a26c..404231ee8780 100644
--- a/trunk/sound/soc/soc-cache.c
+++ b/trunk/sound/soc/soc-cache.c
@@ -77,6 +77,35 @@ static int snd_soc_7_9_spi_write(void *control_data, const char *data,
 #define snd_soc_7_9_spi_write NULL
 #endif
 
+static int snd_soc_8_8_write(struct snd_soc_codec *codec, unsigned int reg,
+			     unsigned int value)
+{
+	u8 *cache = codec->reg_cache;
+	u8 data[2];
+
+	BUG_ON(codec->volatile_register);
+
+	data[0] = reg & 0xff;
+	data[1] = value & 0xff;
+
+	if (reg < codec->reg_cache_size)
+		cache[reg] = value;
+
+	if (codec->hw_write(codec->control_data, data, 2) == 2)
+		return 0;
+	else
+		return -EIO;
+}
+
+static unsigned int snd_soc_8_8_read(struct snd_soc_codec *codec,
+				     unsigned int reg)
+{
+	u8 *cache = codec->reg_cache;
+	if (reg >= codec->reg_cache_size)
+		return -1;
+	return cache[reg];
+}
+
 static int snd_soc_8_16_write(struct snd_soc_codec *codec, unsigned int reg,
 			      unsigned int value)
 {
@@ -151,6 +180,7 @@ static struct {
 	unsigned int (*i2c_read)(struct snd_soc_codec *, unsigned int);
 } io_types[] = {
 	{ 7, 9, snd_soc_7_9_write, snd_soc_7_9_spi_write, snd_soc_7_9_read },
+	{ 8, 8, snd_soc_8_8_write, NULL, snd_soc_8_8_read, NULL },
 	{ 8, 16, snd_soc_8_16_write, NULL, snd_soc_8_16_read,
 	  snd_soc_8_16_read_i2c },
 };