Daniel Kurtz wrote:

Writing to the object sysfs entry permits individual object table entries
to be modified in the device RAM at run time.  To permanently save
the settings, they must be written to Non-Volatile memory (NVM).
This patch adds a write-only sysfs entry to allow userspace to save
current settings to NVM, but restricts access to root.

Signed-off-by: Daniel Kurtz <redacted>

The process to update the stored chip configuration should be:

1) Change config setting
2) Backup (with delay)
3) Reset (with delay)
4) Get driver to re-read resolution etc

So I am worried that this is a half solution, and will lead to confusion.

-- 
Nick Dyer
Software Engineer, ITDev Ltd
Hardware and Software Development Consultancy
Website: http://www.itdev.co.uk