[Intel-wired-lan] [PATCH v1 iwl-next] igc: Add support for LEDs on i225/i226

Andrew Lunn andrew at lunn.ch
Thu Jan 25 16:47:52 UTC 2024


On Thu, Jan 25, 2024 at 08:31:54AM +0100, Kurt Kanzenbach wrote:
> On Wed Jan 24 2024, Andrew Lunn wrote:
> > On Wed, Jan 24, 2024 at 09:24:08AM +0100, Kurt Kanzenbach wrote:
> >> Add support for LEDs on i225/i226. The LEDs can be controlled via sysfs
> >> from user space using the netdev trigger. The LEDs are named as
> >> igc-<bus><device>-<led> to be easily identified.
> >> 
> >> Offloading activity and link speed is supported. Tested on Intel i225.
> >
> > Nice to see something not driver by phylib/DSA making use of LEDs.
> >
> > Is there no plain on/off support? Ideally we want that for software
> > blinking for when a mode is not supported.
> 
> Plain on and off is supported is supported, too. Should be possible to
> implement brightness_set().

Great.

Its actually better to first implement brightness_set(). That gives
you full support for everything the netdev trigger has. Then add
offload, which is optional, and will fall back to software for modes
which cannot be offloaded.

      Andrew


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