MLK-25258: media: imx: unregister v4l2 async notifier when no sensor connected
In order to support hotplug-like mechanism, driver will call subdev notifier
complete function manually if there is sensor connected. If there there is no
valid sensor conneted when imx8-media-dev driver loaded, it will unregister
video device subdev. But in some case, sensor driver will be loaded after it.
In order to cover the case, imx8-media-dev driver unregister v4l2 async notifier
if there is no sensor connected. After sensor driver load, user can unload imx8-
media-dev driver and load it again.
Signed-off-by: Guoniu.zhou <guoniu.zhou@nxp.com>
Reviewed-by: Robby Cai <robby.cai@nxp.com>
projects / linux.git / commit