From: he, bo <bo.he@intel.com>
Date: Wed, 6 Mar 2019 02:32:20 +0000 (+0800)
Subject: io: accel: kxcjk1013: restore the range after resume.
X-Git-Tag: v5.1-rc6~15^2~6^2~8
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=fe2d3df639a7940a125a33d6460529b9689c5406;p=users%2Fjedix%2Flinux-maple.git

io: accel: kxcjk1013: restore the range after resume.

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.he@intel.com>
Signed-off-by: Chen, Hu <hu1.chen@intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---

diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c
index 7096e577b23f8..50f3ff386bea4 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;