netdev - Re: [PATCH net-next 2/2] net: phy: mxl-gpy: add LED dimming support

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Message-ID: <ce7d9ef9-e788-4e36-84ec-ef8b858c1050@lunn.ch>
Date: Mon, 24 Feb 2025 14:53:28 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Aleksander Jan Bajkowski <olek2@...pl>
Cc: lxu@...linear.com, hkallweit1@...il.com, linux@...linux.org.uk,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, Daniel Golle <daniel@...rotopia.org>
Subject: Re: [PATCH net-next 2/2] net: phy: mxl-gpy: add LED dimming support

On Sat, Feb 22, 2025 at 07:38:14PM +0100, Aleksander Jan Bajkowski wrote:
> Some PHYs support LED dimming. The use case is a router that dims LEDs
> at night. In the GPY2xx series, the PWM control register is common to
> all LEDs. To avoid confusing users, only the first LED used has
> brightness control enabled.

Please Cc: the LED mailing list, and Lee Jones.

I've no idea myself what is the normal way to represent a single
brightness control shared by a number of LEDs. I would like to ensure
whatever we do with PHYs is the same as what other LEDs do. I had a
quick look at leds-class.rst, but i did not see anything there.

    Andrew

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