X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fhwmon%2Fadt7411.c;h=a7f886961830cf9c5ca7ecfaf9d8839ce1accbaf;hb=e46c9b02e2422e7b8f8a63ff53f1f8eddc23b247;hp=827c037031287637c602f4f3d6ca9c1790686f16;hpb=ae36e95cf81c98b111b84317adeb358aaffa80e2;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/hwmon/adt7411.c b/drivers/hwmon/adt7411.c
index 827c03703128..a7f886961830 100644
--- a/drivers/hwmon/adt7411.c
+++ b/drivers/hwmon/adt7411.c
@@ -30,6 +30,7 @@
 
 #define ADT7411_REG_CFG1			0x18
 #define ADT7411_CFG1_START_MONITOR		(1 << 0)
+#define ADT7411_CFG1_RESERVED_BIT3		(1 << 3)
 
 #define ADT7411_REG_CFG2			0x19
 #define ADT7411_CFG2_DISABLE_AVG		(1 << 5)
@@ -296,8 +297,10 @@ static int adt7411_probe(struct i2c_client *client,
 	mutex_init(&data->device_lock);
 	mutex_init(&data->update_lock);
 
+	/* According to the datasheet, we must only write 1 to bit 3 */
 	ret = adt7411_modify_bit(client, ADT7411_REG_CFG1,
-				 ADT7411_CFG1_START_MONITOR, 1);
+				 ADT7411_CFG1_RESERVED_BIT3
+				 | ADT7411_CFG1_START_MONITOR, 1);
 	if (ret < 0)
 		return ret;