On Wed, Apr 7, 2021 at 7:59 AM Dinghao Liu <dinghao....@zju.edu.cn> wrote:
>
> When lidar_write_control() fails, a pairing PM usage counter
> decrement is needed to keep the counter balanced.
FWIW,
Reviewed-by: Andy Shevchenko <andy.shevche...@gmail.com>
> Signed-off-by: Dinghao Liu <dinghao....@zju.edu.cn>
> ---
> drivers/iio/proximity/pulsedlight-lidar-lite-v2.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
> b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
> index c685f10b5ae4..cc206bfa09c7 100644
> --- a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
> +++ b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c
> @@ -160,6 +160,7 @@ static int lidar_get_measurement(struct lidar_data *data,
> u16 *reg)
> ret = lidar_write_control(data, LIDAR_REG_CONTROL_ACQUIRE);
> if (ret < 0) {
> dev_err(&client->dev, "cannot send start measurement
> command");
> + pm_runtime_put_noidle(&client->dev);
> return ret;
> }
>
> --
> 2.17.1
>
--
With Best Regards,
Andy Shevchenko
