Commit a2fa9242 authored by Dinghao Liu's avatar Dinghao Liu Committed by Jonathan Cameron
Browse files

iio: proximity: pulsedlight: Fix rumtime PM imbalance on error 



When lidar_write_control() fails, a pairing PM usage counter
decrement is needed to keep the counter balanced.

Fixes: 4ac4e086 ("iio: pulsedlight-lidar-lite: add runtime PM")
Signed-off-by: default avatarDinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20210412053204.4889-1-dinghao.liu@zju.edu.cn


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 8edb79af

drivers/iio/proximity/pulsedlight-lidar-lite-v2.c

+1 −0
Original line number Diff line number Diff line
@@ -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;

	}