From 0d87c60d8581717dc75643a3a9a0360b1efd61f8 Mon Sep 17 00:00:00 2001
From: Daniel Mack <daniel@caiaq.de>
Date: Tue, 28 Apr 2009 10:55:01 +0200
Subject: [PATCH] --- yaml --- r: 154302 b: refs/heads/master c:
 0b47b5703b1cc6c3aa89663ac70e28dadedf6ccc h: refs/heads/master v: v3

---
 [refs]                              |  2 +-
 trunk/drivers/w1/slaves/w1_ds2760.c | 30 +++++++++++++++++++++++++++++
 trunk/drivers/w1/slaves/w1_ds2760.h |  2 ++
 3 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 3f37c30a8c94..781aafacad5c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ae9fb6e814ecede683bcd404910085cea3ab1260
+refs/heads/master: 0b47b5703b1cc6c3aa89663ac70e28dadedf6ccc
diff --git a/trunk/drivers/w1/slaves/w1_ds2760.c b/trunk/drivers/w1/slaves/w1_ds2760.c
index 1f09d4e4144c..59f708efe25f 100644
--- a/trunk/drivers/w1/slaves/w1_ds2760.c
+++ b/trunk/drivers/w1/slaves/w1_ds2760.c
@@ -68,6 +68,34 @@ int w1_ds2760_write(struct device *dev, char *buf, int addr, size_t count)
 	return w1_ds2760_io(dev, buf, addr, count, 1);
 }
 
+static int w1_ds2760_eeprom_cmd(struct device *dev, int addr, int cmd)
+{
+	struct w1_slave *sl = container_of(dev, struct w1_slave, dev);
+
+	if (!dev)
+		return -EINVAL;
+
+	mutex_lock(&sl->master->mutex);
+
+	if (w1_reset_select_slave(sl) == 0) {
+		w1_write_8(sl->master, cmd);
+		w1_write_8(sl->master, addr);
+	}
+
+	mutex_unlock(&sl->master->mutex);
+	return 0;
+}
+
+int w1_ds2760_store_eeprom(struct device *dev, int addr)
+{
+	return w1_ds2760_eeprom_cmd(dev, addr, W1_DS2760_COPY_DATA);
+}
+
+int w1_ds2760_recall_eeprom(struct device *dev, int addr)
+{
+	return w1_ds2760_eeprom_cmd(dev, addr, W1_DS2760_RECALL_DATA);
+}
+
 static ssize_t w1_ds2760_read_bin(struct kobject *kobj,
 				  struct bin_attribute *bin_attr,
 				  char *buf, loff_t off, size_t count)
@@ -200,6 +228,8 @@ static void __exit w1_ds2760_exit(void)
 
 EXPORT_SYMBOL(w1_ds2760_read);
 EXPORT_SYMBOL(w1_ds2760_write);
+EXPORT_SYMBOL(w1_ds2760_store_eeprom);
+EXPORT_SYMBOL(w1_ds2760_recall_eeprom);
 
 module_init(w1_ds2760_init);
 module_exit(w1_ds2760_exit);
diff --git a/trunk/drivers/w1/slaves/w1_ds2760.h b/trunk/drivers/w1/slaves/w1_ds2760.h
index f1302429cb02..ea39419172a6 100644
--- a/trunk/drivers/w1/slaves/w1_ds2760.h
+++ b/trunk/drivers/w1/slaves/w1_ds2760.h
@@ -46,5 +46,7 @@ extern int w1_ds2760_read(struct device *dev, char *buf, int addr,
 			  size_t count);
 extern int w1_ds2760_write(struct device *dev, char *buf, int addr,
 			   size_t count);
+extern int w1_ds2760_store_eeprom(struct device *dev, int addr);
+extern int w1_ds2760_recall_eeprom(struct device *dev, int addr);
 
 #endif /* !__w1_ds2760_h__ */