Use pm_runtime_get_if_active() to get the device's runtime PM usage_count
and set controls, then use runtime PM autosuspend once the controls have
been set (instead of likely transitioning to suspended state immediately).
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
drivers/media/i2c/ov8858.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/media/i2c/ov8858.c b/drivers/media/i2c/ov8858.c
index 3af6125a2eee..a99b91700a8d 100644
--- a/drivers/media/i2c/ov8858.c
+++ b/drivers/media/i2c/ov8858.c
@@ -1538,7 +1538,7 @@ static int ov8858_set_ctrl(struct v4l2_ctrl *ctrl)
struct v4l2_subdev_state *state;
u16 digi_gain;
s64 max_exp;
- int ret;
+ int ret, pm_status;
/*
* The control handler and the subdev state use the same mutex and the
@@ -1561,7 +1561,8 @@ static int ov8858_set_ctrl(struct v4l2_ctrl *ctrl)
break;
}
- if (!pm_runtime_get_if_in_use(&client->dev))
+ pm_status = pm_runtime_get_if_active(&client->dev);
+ if (!pm_status)
return 0;
switch (ctrl->id) {
@@ -1601,7 +1602,8 @@ static int ov8858_set_ctrl(struct v4l2_ctrl *ctrl)
break;
}
- pm_runtime_put(&client->dev);
+ if (pm_status > 0)
+ pm_runtime_mark_busy_autosusp(&client->dev);
return ret;
}
--
2.39.2
