linux-kernel - Re: [PATCH v11 3/5] dt-bindings: leds: Add LED_FUNCTION

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Message-ID: <CAE+NS34D8a6Udt7ZZ0=U7oqm5POtihKvD3WjD_sAADamqQ=1AQ@mail.gmail.com>
Date:   Thu, 3 Dec 2020 14:42:08 +0800
From:   Gene Chen <gene.chen.richtek@...il.com>
To:     Pavel Machek <pavel@....cz>
Cc:     Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Dan Murphy <dmurphy@...com>,
        Linux LED Subsystem <linux-leds@...r.kernel.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Gene Chen <gene_chen@...htek.com>, Wilma.Wu@...iatek.com,
        shufan_lee@...htek.com, cy_huang@...htek.com,
        benjamin.chao@...iatek.com
Subject: Re: [PATCH v11 3/5] dt-bindings: leds: Add LED_FUNCTION_MOONLIGHT definitions

Pavel Machek <pavel@....cz> 於 2020年12月2日 週三 下午8:23寫道：
>
> On Wed 2020-12-02 18:46:49, Gene Chen wrote:
> > From: Gene Chen <gene_chen@...htek.com>
> >
> > Add LED_FUNCTION_MOONLIGHT definitions
> >
> > Signed-off-by: Gene Chen <gene_chen@...htek.com>
> > Acked-by: Jacek Anaszewski <jacek.anaszewski@...il.com>
> > Acked-by: Rob Herring <robh@...nel.org>
> > ---
> >  include/dt-bindings/leds/common.h | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/include/dt-bindings/leds/common.h b/include/dt-bindings/leds/common.h
> > index 52b619d..843e65d 100644
> > --- a/include/dt-bindings/leds/common.h
> > +++ b/include/dt-bindings/leds/common.h
> > @@ -78,6 +78,7 @@
> >  #define LED_FUNCTION_INDICATOR "indicator"
> >  #define LED_FUNCTION_LAN "lan"
> >  #define LED_FUNCTION_MAIL "mail"
> > +#define LED_FUNCTION_MOONLIGHT "moonlight"
>
> There's "torch" function that should be used for this. I guess comment
> should be added with explanation what exactly that is and how should
> the LED be named.
>

According to mail, 11/25 "Re: [PATCH v7 2/5] dt-bindings: leds: Add
LED_COLOR_ID_MOONLIGHT definitions",
The Moonlight LED is LED which maximum current more than torch, but
less than flash. Such as front camera fill light.
I think our channel is moonlight, not torch.
I will add this description to comment.
We can't exactly define moonlight current level, because every vendor
has their own specification.

> Best regards,
>                                                                 Pavel
> --
> http://www.livejournal.com/~pavelmachek