diff options
| author | Dinghao Liu <dinghao.liu@zju.edu.cn> | 2021-04-12 13:32:02 +0800 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-05-10 14:01:48 +0100 |
| commit | a2fa9242e89f27696515699fe0f0296bf1ac1815 (patch) | |
| tree | a328ed3606b783dad05713db5a1e4ef6cf11c319 /drivers/iio | |
| parent | 8edb79af88efc6e49e735f9baf61d9f0748b881f (diff) | |
| download | lwn-a2fa9242e89f27696515699fe0f0296bf1ac1815.tar.gz lwn-a2fa9242e89f27696515699fe0f0296bf1ac1815.zip | |
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: 4ac4e086fd8c5 ("iio: pulsedlight-lidar-lite: add runtime PM")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20210412053204.4889-1-dinghao.liu@zju.edu.cn
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/proximity/pulsedlight-lidar-lite-v2.c | 1 |
1 files changed, 1 insertions, 0 deletions
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; } |