1 files changed, 12 insertions, 4 deletions

diff --git a/drivers/hwmon/tmp102.c b/drivers/hwmon/tmp102.c
index e9de28df0e4d..0da695d800c5 100644
--- a/drivers/hwmon/tmp102.c
+++ b/drivers/hwmon/tmp102.c
@@ -239,19 +239,27 @@ static int __devexit tmp102_remove(struct i2c_client *client)
 static int tmp102_suspend(struct device *dev)
 {
         struct i2c_client *client = to_i2c_client(dev);
+        int config;
 
-        tmp102_write_reg(client, TMP102_CONF_REG, TMP102_CONF_SD);
+        config = tmp102_read_reg(client, TMP102_CONF_REG);
+        if (config < 0)
+                return config;
 
-        return 0;
+        config |= TMP102_CONF_SD;
+        return tmp102_write_reg(client, TMP102_CONF_REG, config);
 }
 
 static int tmp102_resume(struct device *dev)
 {
         struct i2c_client *client = to_i2c_client(dev);
+        int config;
 
-        tmp102_write_reg(client, TMP102_CONF_REG, TMP102_CONFIG);
+        config = tmp102_read_reg(client, TMP102_CONF_REG);
+        if (config < 0)
+                return config;
 
-        return 0;
+        config &= ~TMP102_CONF_SD;
+        return tmp102_write_reg(client, TMP102_CONF_REG, config);
 }
 
 static const struct dev_pm_ops tmp102_dev_pm_ops = {