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-rw-r--r--target/linux/s3c24xx/patches-2.6.24/1004-asoc-neo1973_wm8753-power.patch.patch62
1 files changed, 62 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.24/1004-asoc-neo1973_wm8753-power.patch.patch b/target/linux/s3c24xx/patches-2.6.24/1004-asoc-neo1973_wm8753-power.patch.patch
new file mode 100644
index 0000000000..ffcbfce459
--- /dev/null
+++ b/target/linux/s3c24xx/patches-2.6.24/1004-asoc-neo1973_wm8753-power.patch.patch
@@ -0,0 +1,62 @@
+From dee63031aaa4377dea64113b0f6789ea053087fd Mon Sep 17 00:00:00 2001
+From: mokopatches <mokopatches@openmoko.org>
+Date: Fri, 4 Apr 2008 11:29:38 +0100
+Subject: [PATCH] asoc-neo1973_wm8753-power.patch
+
+---
+ sound/soc/s3c24xx/neo1973_wm8753.c | 32 ++++++++++++++++++++++++++++++++
+ 1 files changed, 32 insertions(+), 0 deletions(-)
+
+diff --git a/sound/soc/s3c24xx/neo1973_wm8753.c b/sound/soc/s3c24xx/neo1973_wm8753.c
+index 679b99d..0289d1d 100644
+--- a/sound/soc/s3c24xx/neo1973_wm8753.c
++++ b/sound/soc/s3c24xx/neo1973_wm8753.c
+@@ -617,6 +617,35 @@ 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 = {
+@@ -624,6 +653,9 @@ 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,
+--
+1.5.6.5
+