From: Vishal Thanki <vishalthanki@gmail.com>
To: Andrew Lunn <andrew@lunn.ch>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
Matus Ujhelyi <ujhelyi.m@gmail.com>,
netdev@vger.kernel.org
Subject: Re: [PATCH 0/3] Control ethernet PHY LEDs via LED subsystem
Date: Wed, 23 Mar 2016 21:24:00 +0100 [thread overview]
Message-ID: <CAC3a_SCD6aMF=triCQDJrW9GQ3HOMMH9q_J9GEw56qrnwgFXKA@mail.gmail.com> (raw)
In-Reply-To: <20160323185006.GL5250@lunn.ch>
Hi,
> My suggestion was that the hardware needs to control the LEDs. You
> have software doing it. You might be able to do this with the PHY
> state machine for link. But activity is never going to be accepted if
> software control.
>
> The LED trigger attached to an LED should be used to configure the
> hardware to drive the LED as wanted.
>
The eth-phy-activity trigger uses the blink_set which I think uses the
hardware acceleration if available. I am not sure how to handles LEDs
which does not have hardware acceleration for this (eth-phy-activity)
trigger.
> The exception to this is when there is no trigger attached, and the
> brightness can set the on/off state, if the hardware supports this.
>
> Andrew
next prev parent reply other threads:[~2016-03-23 20:24 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-23 17:51 [PATCH 0/3] Control ethernet PHY LEDs via LED subsystem Vishal Thanki
2016-03-23 17:51 ` [PATCH 1/3] net: phy: Add ethernet PHY LED triggers Vishal Thanki
2016-03-23 17:51 ` [PATCH 2/3] net: phy: at8030: Expose the Link and Activity LEDs Vishal Thanki
2016-03-23 18:56 ` Andrew Lunn
2016-03-23 17:51 ` [PATCH 3/3] led: at8030: Add LED driver for AT8030 ethernet PHY Vishal Thanki
2016-03-23 18:52 ` Andrew Lunn
2016-03-23 18:50 ` [PATCH 0/3] Control ethernet PHY LEDs via LED subsystem Andrew Lunn
2016-03-23 20:24 ` Vishal Thanki [this message]
2016-03-23 21:10 ` Andrew Lunn
2016-03-23 21:24 ` Vishal Thanki
2016-03-24 13:29 ` Andrew Lunn
2016-03-24 17:35 ` Vishal Thanki
2016-03-24 18:50 ` Andrew Lunn
2016-03-28 15:43 ` Stephen Hemminger
2016-03-28 16:10 ` Andrew Lunn
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