Re: [PATCH v3] io: accel: kxcjk1013: restore the range after resume.

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Hi,

On 06-03-19 03:32, Chen, Hu wrote:
From: "he, bo" <bo.he@xxxxxxxxx>

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@xxxxxxxxx>
Signed-off-by: Chen, Hu <hu1.chen@xxxxxxxxx>

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>

Regards,

Hans



---
  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;




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