diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-fwnode.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-fwnode.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c b/drivers/media/v4l2-core/v4l2-fwnode.c index 2283ff3b8e1d..9c1b38919491 100644 --- a/drivers/media/v4l2-core/v4l2-fwnode.c +++ b/drivers/media/v4l2-core/v4l2-fwnode.c @@ -1259,8 +1259,27 @@ v4l2_fwnode_reference_parse_int_props(struct device *dev, return !fwnode || PTR_ERR(fwnode) == -ENOENT ? 0 : PTR_ERR(fwnode); } -int v4l2_async_notifier_parse_fwnode_sensor_common(struct device *dev, - struct v4l2_async_notifier *notifier) +/** + * v4l2_async_notifier_parse_fwnode_sensor - parse common references on + * sensors for async sub-devices + * @dev: the device node the properties of which are parsed for references + * @notifier: the async notifier where the async subdevs will be added + * + * Parse common sensor properties for remote devices related to the + * sensor and set up async sub-devices for them. + * + * Any notifier populated using this function must be released with a call to + * v4l2_async_notifier_release() after it has been unregistered and the async + * sub-devices are no longer in use, even in the case the function returned an + * error. + * + * Return: 0 on success + * -ENOMEM if memory allocation failed + * -EINVAL if property parsing failed + */ +static int +v4l2_async_notifier_parse_fwnode_sensor(struct device *dev, + struct v4l2_async_notifier *notifier) { static const char * const led_props[] = { "led" }; static const struct v4l2_fwnode_int_props props[] = { @@ -1288,7 +1307,6 @@ int v4l2_async_notifier_parse_fwnode_sensor_common(struct device *dev, return 0; } -EXPORT_SYMBOL_GPL(v4l2_async_notifier_parse_fwnode_sensor_common); int v4l2_async_register_subdev_sensor_common(struct v4l2_subdev *sd) { @@ -1304,8 +1322,7 @@ int v4l2_async_register_subdev_sensor_common(struct v4l2_subdev *sd) v4l2_async_notifier_init(notifier); - ret = v4l2_async_notifier_parse_fwnode_sensor_common(sd->dev, - notifier); + ret = v4l2_async_notifier_parse_fwnode_sensor(sd->dev, notifier); if (ret < 0) goto out_cleanup; |