Re: [PATCH] leds: add NCT6795D driver

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Hi Jacek,

On Thu, Jul 16, 2020 at 4:32 AM Jacek Anaszewski
<jacek.anaszewski@xxxxxxxxx> wrote:
>
> Hi Alexandre,
>
> On 7/15/20 3:54 AM, Alexandre Courbot wrote:
> > Hi Pavel,
> >
> > On Wed, Jul 15, 2020 at 7:33 AM Pavel Machek <pavel@xxxxxx> wrote:
> >>
> >> Hi!
> >>
> >>> Add support for the LED feature of the NCT6795D chip found on some
> >>> motherboards, notably MSI ones. The LEDs are typically used using a
> >>> RGB connector so this driver creates one LED device for each color
> >>> component.
> >>
> >> Ok, let me take a look. What entries does it present in /sys?
> >
> > Right now these 3 directories in /sys/class/leds:
> >
> > nct6795d:blue:
> > nct6795d:green:
> > nct6795d:red:
> >
> > with the usual suspects `brightness` and `max_brightness` in each. I
> > am not 100% sure I got the names right so please let me know if that
> > is not correct.
>
> You miss LED function, that should be in the second section.

The reason for not having a function at the moment is that I took a
look at include/dt-bindings/leds/common.h and could not find any
function that could reasonably apply. This basically controls a RGB
connector on the motherboard which serves no particular function - you
can plug a RGB fan or anything else you want and control it in any
fashion. Is there a function that applies to this use-case?



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