From f4bf13ef1c43737f81a70d0935c887359af56efa Mon Sep 17 00:00:00 2001
From: Graeme Gregory <graeme@openmoko.org>
Date: Wed, 30 Apr 2008 20:26:45 +0200
Subject: [PATCH] --- yaml --- r: 95415 b: refs/heads/master c:
 fd403dc84f29aee613d13bde5656ba74cdee1e7b h: refs/heads/master i:   95413:
 958f5b0a2bd5d14a7df48802030283e089d2aa29   95411:
 4798b27472010ebf3336c2692223d57413f4e3a0   95407:
 686c54c290abc4b0f65f634f042965a71b679381 v: v3

---
 [refs]                                   |  2 +-
 trunk/sound/soc/s3c24xx/neo1973_wm8753.c | 32 ++++++++++++++++++++++++
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 9c0f49f7fd70..d65265a3a3c5 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 443590e6f1823cd4bc1199cc658074bc3e30acbf
+refs/heads/master: fd403dc84f29aee613d13bde5656ba74cdee1e7b
diff --git a/trunk/sound/soc/s3c24xx/neo1973_wm8753.c b/trunk/sound/soc/s3c24xx/neo1973_wm8753.c
index c8caddffc42d..0e9d1c5f2484 100644
--- a/trunk/sound/soc/s3c24xx/neo1973_wm8753.c
+++ b/trunk/sound/soc/s3c24xx/neo1973_wm8753.c
@@ -616,6 +616,35 @@ static int lm4857_i2c_attach(struct i2c_adapter *adap)
 	return i2c_probe(adap, &addr_data, lm4857_amp_probe);
 }
 
+static u8 lm4857_state;
+
+static int lm4857_suspend(struct i2c_client *dev, pm_message_t state)
+{
+	dev_dbg(&dev->dev, "lm4857_suspend\n");
+	lm4857_state = lm4857_regs[LM4857_CTRL] & 0xf;
+	if (lm4857_state) {
+		lm4857_regs[LM4857_CTRL] &= 0xf0;
+		lm4857_write_regs();
+	}
+	return 0;
+}
+
+static int lm4857_resume(struct i2c_client *dev)
+{
+	if (lm4857_state) {
+		lm4857_regs[LM4857_CTRL] |= (lm4857_state & 0x0f);
+		lm4857_write_regs();
+	}
+	return 0;
+}
+
+static void lm4857_shutdown(struct i2c_client *dev)
+{
+	dev_dbg(&dev->dev, "lm4857_shutdown\n");
+	lm4857_regs[LM4857_CTRL] &= 0xf0;
+	lm4857_write_regs();
+}
+
 /* corgi i2c codec control layer */
 static struct i2c_driver lm4857_i2c_driver = {
 	.driver = {
@@ -623,6 +652,9 @@ static struct i2c_driver lm4857_i2c_driver = {
 		.owner = THIS_MODULE,
 	},
 	.id =             I2C_DRIVERID_LM4857,
+	.suspend =        lm4857_suspend,
+	.resume	=         lm4857_resume,
+	.shutdown =       lm4857_shutdown,
 	.attach_adapter = lm4857_i2c_attach,
 	.detach_client =  lm4857_i2c_detach,
 	.command =        NULL,