netdev - Re: [PATCH net-next 5/5] igc: Export LEDs

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Message-ID: <YPIAnq6r3KgQ5ivI@lunn.ch>
Date:   Fri, 16 Jul 2021 23:56:46 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Tony Nguyen <anthony.l.nguyen@...el.com>
Cc:     davem@...emloft.net, kuba@...nel.org,
        Kurt Kanzenbach <kurt@...utronix.de>, netdev@...r.kernel.org,
        sasha.neftin@...el.com, vitaly.lifshits@...el.com,
        vinicius.gomes@...el.com,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Dvora Fuxbrumer <dvorax.fuxbrumer@...ux.intel.com>
Subject: Re: [PATCH net-next 5/5] igc: Export LEDs

On Fri, Jul 16, 2021 at 02:24:27PM -0700, Tony Nguyen wrote:
> From: Kurt Kanzenbach <kurt@...utronix.de>
> 
> Each i225 has three LEDs. Export them via the LED class framework.
> 
> Each LED is controllable via sysfs. Example:
> 
> $ cd /sys/class/leds/igc_led0
> $ cat brightness      # Current Mode
> $ cat max_brightness  # 15
> $ echo 0 > brightness # Mode 0
> $ echo 1 > brightness # Mode 1
> 
> The brightness field here reflects the different LED modes ranging
> from 0 to 15.

What do you mean by mode? Do you mean blink mode? Like On means 1G
link, and it blinks for packet TX?

    Andrew