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SubjectRe: [PATCH 07/20] Input: atmel_mxt_ts - add backupnv sysfs entry
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 <>

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

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