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

[Hans de Goede]

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;