Re: [PATCH v4 5/7] platform/x86: topstar-laptop: add Topstar U931/RVP7 WLAN LED workaround

From: Andy Shevchenko
Date: Wed Feb 21 2018 - 11:25:17 EST


On Wed, Feb 21, 2018 at 6:10 PM, Guillaume DouÃzan-Grard
<gdouezangrard@xxxxxxxxx> wrote:
> Topstar U931 laptops provide a LED synced with the WLAN adapter
> hard-blocking state. Unfortunately, some models seem to be defective,
> making impossible to hard-block the adapter with the WLAN switch and
> thus the LED is useless.
>
> An ACPI method is available to programmatically control this switch and
> it indirectly allows to control the LED.
>
> This commit registers the LED within the corresponding subsystem, making
> possible for instance to use an rfkill-based trigger to synchronize the
> LED with the device state.
>
> This workaround is enabled automatically for Topstar U931/RVP7 laptops
> based on a DMI check.

> - * ACPI driver for Topstar notebooks (hotkeys support only)
> + * Topstar Laptop ACPI Extras driver

Nope.
I think it's previous one.

--
With Best Regards,
Andy Shevchenko