---

yaml --- r: 201329 b: refs/heads/master c: 2884fce h: refs/heads/master i: 201327: 1ccd7d5 v: v3
git-mirror · Jul 27, 2010 · 7b4c86b · 7b4c86b
1 parent e23ab95
commit 7b4c86b
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Showing 2 changed files with 18 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b82bab4bbe9efa7bc7177fc20620fff19bd95484
+refs/heads/master: 2884fce165047db7df422e52a672970fa09c87b5
diff --git a/trunk/drivers/rtc/rtc-rx8581.c b/trunk/drivers/rtc/rtc-rx8581.c
@@ -168,7 +168,7 @@ static int rx8581_set_datetime(struct i2c_client *client, struct rtc_time *tm)
 		return -EIO;
 	}
 
-	err = i2c_smbus_write_byte_data(client, RX8581_REG_FLAG,
+	err = i2c_smbus_write_byte_data(client, RX8581_REG_CTRL,
 		(data | RX8581_CTRL_STOP));
 	if (err < 0) {
 		dev_err(&client->dev, "Unable to write control register\n");
@@ -182,15 +182,29 @@ static int rx8581_set_datetime(struct i2c_client *client, struct rtc_time *tm)
 		return -EIO;
 	}
 
+	/* get VLF and clear it */
+	data = i2c_smbus_read_byte_data(client, RX8581_REG_FLAG);
+	if (data < 0) {
+		dev_err(&client->dev, "Unable to read flag register\n");
+		return -EIO;
+	}
+
+	err = i2c_smbus_write_byte_data(client, RX8581_REG_FLAG,
+		(data & ~(RX8581_FLAG_VLF)));
+	if (err != 0) {
+		dev_err(&client->dev, "Unable to write flag register\n");
+		return -EIO;
+	}
+
 	/* Restart the clock */
 	data = i2c_smbus_read_byte_data(client, RX8581_REG_CTRL);
 	if (data < 0) {
 		dev_err(&client->dev, "Unable to read control register\n");
 		return -EIO;
 	}
 
-	err = i2c_smbus_write_byte_data(client, RX8581_REG_FLAG,
-		(data | ~(RX8581_CTRL_STOP)));
+	err = i2c_smbus_write_byte_data(client, RX8581_REG_CTRL,
+		(data & ~(RX8581_CTRL_STOP)));
 	if (err != 0) {
 		dev_err(&client->dev, "Unable to write control register\n");
 		return -EIO;