hwmon/mpu3050: Increase device power up delay

BZ: 32281

Increase the device power up delay to avert reporting incorrect data
before the data sampling is stable.

Change-Id: Ic2abe753f3857dfd8274545895b18b837d90b6de
Signed-off-by: Leo Yan <leo.yan@intel.com>
Reviewed-on: http://android.intel.com:8080/43957
Reviewed-by: Liu, Hong <hong.liu@intel.com>
Reviewed-by: Wang, Zhifeng <zhifeng.wang@intel.com>
Reviewed-by: Du, Alek <alek.du@intel.com>
Tested-by: Wang, Zhifeng <zhifeng.wang@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>

diff --git a/drivers/hwmon/mpu3050.c b/drivers/hwmon/mpu3050.c
index 60614f7..4aec054 100644 (file)
--- a/drivers/hwmon/mpu3050.c
+++ b/drivers/hwmon/mpu3050.c
@@ -254,7 +254,7 @@ enum mpu_ext_sync {
 #define DEFAULT_POLL_INTERVAL  200
 #define DEFAULT_FS_RANGE       3
 #define MPU_RESET_DELAY                15
-#define MPU_ENABLE_DELAY       80
+#define MPU_ENABLE_DELAY       200
 
 struct mpu_data {
        struct i2c_client       *client;