Re: [PATCH] media:v4l2-async:debugfs for registered subdevices

From: Sakari Ailus

Date: Fri Mar 13 2026 - 06:27:01 EST


Hi Luo,

On Fri, Mar 13, 2026 at 03:58:24PM +0800, luo.liu wrote:
> Add a new debugfs file "registered_subdevices" under the "v4l2-async"
> directory to display all registered subdevices in the subdev_list. This
> helps with debugging by providing a clear view of all currently registered
> V4L2 subdevices.

Could you elaborate a little how has providing this information over
debugfs helped you?

--
Regards,

Sakari Ailus