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SubjectRe: [RFC PATCH v2] pinctrl: add helper to expose pinctrl state in debugfs
On Sat, Jan 9, 2021 at 3:55 AM Drew Fustini <> wrote:

> I discussed my use case and this patch on #armlinux earlier this week
> and Alexandre Belloni suggested looking at the pinmux-pins debugfs file.

This sounds reasonable.

> This made me think that a possible solution could be to define a store
> function for pinmux-pins to handle something like "<pin#> <function#>".
> I believe the ability to activate a pin function (or pin group) from
> userspace would satisfy our use-case.
> Does that seem like a reasonable approach?

This sounds like a good approach.

Linus Walleij

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