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From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= <linux@weissschuh.net>
Subject: [PATCH v2 0/5] ChromeOS Embedded Controller LED driver
Date: Fri, 31 May 2024 18:33:30 +0200
Message-Id: <20240531-cros_ec-led-v2-0-6cc34408b40d@weissschuh.net>
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To: Pavel Machek <pavel@ucw.cz>, Lee Jones <lee@kernel.org>, 
 =?utf-8?q?Thomas_Wei=C3=9Fschuh?= <thomas@weissschuh.net>, 
 Benson Leung <bleung@chromium.org>, Guenter Roeck <groeck@chromium.org>, 
 Tzung-Bi Shih <tzungbi@kernel.org>
Cc: linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org, 
 chrome-platform@lists.linux.dev, Dustin Howett <dustin@howett.net>, 
 Mario Limonciello <mario.limonciello@amd.com>, 
 =?utf-8?q?Thomas_Wei=C3=9Fschuh?= <linux@weissschuh.net>

Add a LED driver that supports the LED devices exposed by the
ChromeOS Embedded Controller.

Patch 1-3 add a utility function to the led subsystem.
Patch 4 introduces the actual driver.
Patch 5 registers the driver through the cros_ec mfd devices.

Currently the driver introduces some non-standard LED functions.
(See "cros_ec_led_functions")

Tested on a Framework 13 AMD, Firmware 3.05.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
---
Changes in v2:
- Cosmetic cleanups (Tzung-Bi)
- Add trailing comma to MFD cell array
- Rename LEDs and trigger to "chromeos" prefix, to align with kbd
  backlight driver
- Don't use type "rgb" anymore, they are only "multicolor"
- Align commit messages and subject to subsystem standards (Lee)
- Rename led_color_name() to led_get_color_name()
- The same for cros_ec_led_color_name()
- Link to v1: https://lore.kernel.org/r/20240520-cros_ec-led-v1-0-4068fc5c051a@weissschuh.net

---
Thomas Weißschuh (5):
      leds: core: Introduce led_get_color_name() function
      leds: multicolor: Use led_get_color_name() function
      leds: core: Unexport led_colors[] array
      leds: Add ChromeOS EC driver
      mfd: cros_ec: Register LED subdevice

 MAINTAINERS                         |   5 +
 drivers/leds/Kconfig                |  15 ++
 drivers/leds/Makefile               |   1 +
 drivers/leds/led-class-multicolor.c |   2 +-
 drivers/leds/led-core.c             |  12 +-
 drivers/leds/leds-cros_ec.c         | 297 ++++++++++++++++++++++++++++++++++++
 drivers/leds/leds.h                 |   1 -
 drivers/mfd/cros_ec_dev.c           |   9 ++
 include/linux/leds.h                |  10 ++
 9 files changed, 348 insertions(+), 4 deletions(-)
---
base-commit: 4a4be1ad3a6efea16c56615f31117590fd881358
change-id: 20240519-cros_ec-led-3efa24e3991e

Best regards,
-- 
Thomas Weißschuh <linux@weissschuh.net>