From: "he, bo" <bo...@intel.com>
On some laptops, kxcjk1013 is powered off when system enters S3. We need
restore the range regiter during resume. Otherwise, the sensor doesn't
work properly after S3.
Signed-off-by: he, bo <bo...@intel.com>
Signed-off-by: Chen, Hu <hu1.c...@intel.com>
---
v3: Avoid unnecessary mutex_unlock (Hans).
v2: Handle return value independently (Jonathan).
drivers/iio/accel/kxcjk-1013.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c
index 7096e577b23f..50f3ff386bea 100644
--- a/drivers/iio/accel/kxcjk-1013.c
+++ b/drivers/iio/accel/kxcjk-1013.c
@@ -1437,6 +1437,8 @@ static int kxcjk1013_resume(struct device *dev)
mutex_lock(&data->mutex);
ret = kxcjk1013_set_mode(data, OPERATION);
+ if (ret == 0)
+ ret = kxcjk1013_set_range(data, data->range);
mutex_unlock(&data->mutex);
return ret;
--
2.20.1
