linux-kernel - [PATCH v4 0/1] Input: cros_ec_keyb: add function key support

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Message-ID: <20260106112953.692304-1-fabiobaltieri@chromium.org>
Date: Tue,  6 Jan 2026 11:29:52 +0000
From: Fabio Baltieri <fabiobaltieri@...omium.org>
To: Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Benson Leung <bleung@...omium.org>,
	Guenter Roeck <groeck@...omium.org>
Cc: Fabio Baltieri <fabiobaltieri@...omium.org>,
	Tzung-Bi Shih <tzungbi@...nel.org>,
	Simon Glass <sjg@...omium.org>,
	linux-input@...r.kernel.org,
	chrome-platform@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: [PATCH v4 0/1] Input: cros_ec_keyb: add function key support

Hi, v4 of the cros-ec-keyb fn key support, reworked the logic to detect
the fn layer automatically, removed the dedicated dt property.

Changes from v3:
  - implemented fn layer runtime detection
  - tweaked cros_ec_keyb_fn_code to return back the correct position
    code

Changes from v2:
  - renamed the dt property to use-fn-map, dropped the example
  - added few function comments
  - added a helper for obtaining the fn code
  - reordered, dt patch first

Changes from v1:
  - change struct to short types
  - refactored the fn key handling in its own function
  - changed props to use the google, prefix
  - reworked the properties to use an overlay map rather than a
    dedicated one


Fabio Baltieri (1):
  Input: cros_ec_keyb - add function key support

 drivers/input/keyboard/cros_ec_keyb.c | 174 +++++++++++++++++++++++---
 1 file changed, 158 insertions(+), 16 deletions(-)

-- 
2.52.0.351.gbe84eed79e-goog