linux-kernel - [PATCH 0/2] platform/x86: alienware-wmi-wmax: Add support for GPIO methods

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Message-Id: <20250423-awcc-gpio-v1-0-160a11bc3f9a@gmail.com>
Date: Wed, 23 Apr 2025 04:49:44 -0300
From: Kurt Borja <kuurtb@...il.com>
To: Hans de Goede <hdegoede@...hat.com>, 
 Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>, 
 Armin Wolf <W_Armin@....de>
Cc: Gabriel Marcano <gabemarcano@...oo.com>, 
 platform-driver-x86@...r.kernel.org, Dell.Client.Kernel@...l.com, 
 linux-kernel@...r.kernel.org, Kurt Borja <kuurtb@...il.com>
Subject: [PATCH 0/2] platform/x86: alienware-wmi-wmax: Add support for GPIO
 methods

Hi all,

I found a great blog post [1], which described the reverse engineering
process of the GPIO control methods present on this device.

In summary, these methods expose some debugging capabilities of the RGB
lighting controller present on Dell gaming laptops. See [Patch 2] for
more info.

Exposing these methods to DebugFS is useful for developers exploring
this RGB controllers (myself included).

Thanks for your feedback!

[1] https://gabriel.marcanobrady.family/blog/2024/12/16/dell-g5-5505-se-acpi-or-figuring-out-how-to-reset-the-rgb-controller/

Signed-off-by: Kurt Borja <kuurtb@...il.com>
---
Kurt Borja (2):
      platform/x86: alienware-wmi-wmax: Expose GPIO debug methods
      Documentation: wmi: alienware-wmi: Add GPIO control documentation

 Documentation/wmi/devices/alienware-wmi.rst    |  85 +++++++++++++++++-
 drivers/platform/x86/dell/alienware-wmi-wmax.c | 116 ++++++++++++++++++++++++-
 2 files changed, 196 insertions(+), 5 deletions(-)
---
base-commit: 981527828c301644bc4014faa9c523e8a5e32a32
change-id: 20250413-awcc-gpio-24b1f5c546d2

Best regards,
-- 
 ~ Kurt