linux-kernel - [PATCH v4 0/7] Input: matrix-keypad: Various performance improvements

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Message-Id: <20250108134507.257268-1-markus.burri@mt.com>
Date: Wed,  8 Jan 2025 14:45:00 +0100
From: Markus Burri <markus.burri@...com>
To: linux-kernel@...r.kernel.org
Cc: Markus Burri <markus.burri@...com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Marek Vasut <marek.vasut@...il.com>,
	linux-input@...r.kernel.org,
	devicetree@...r.kernel.org,
	Manuel Traut <manuel.traut@...com>
Subject: [PATCH v4 0/7] Input: matrix-keypad: Various performance improvements

This series is needed to avoid key-loss if the GPIOs are connected via a
I2C GPIO MUX that introduces additional latencies between key change and
matrix scan.

This series applies on 6.13-rc6

Changes in V4:
* deprecate gpio-activelow in gpio-matrix-keypad.yaml
* change reference to linux,keymap in gpio-matrix-keypad.yaml

Changes in V3:
* fix 'references a file that doesn't exist' in wakeup-source.txt
* remove copied and deprecated properties from gpio-matrix-keypad.yaml
* extend patch description to clarify the changes
* rebase to 6.13-rc6

Changes in V2:
* added patch to convert dt-bindings to YAML
* added missing dt-bindings properties description
* removed [PATCH 1/6] Input: matrix_keypad - move gpio-row init to the init
  it would revert 01c84b03d80aab9f04c4e3e1f9085f4202ff7c29
* removed internally given Tested-by and Reviewed-by tags

V3: https://lore.kernel.org/lkml/20250107135659.185293-1-markus.burri@mt.com/
V2:https://lore.kernel.org/lkml/20241105130322.213623-1-markus.burri@mt.com/
V1:https://lore.kernel.org/lkml/20241031063004.69956-1-markus.burri@mt.com/

---
Markus Burri (7):
  Input: matrix_keypad - use fsleep for variable delay duration
  Input: matrix_keypad - add function for reading row state
  dt-bindings: input: matrix_keypad - convert to YAML
  dt-bindings: input: matrix_keypad - add missing property
  dt-bindings: input: matrix_keypad - add settle time after enable all
    columns
  Input: matrix_keypad - add settle time after enable all columns
  Input: matrix_keypad - detect change during scan

 .../bindings/input/gpio-matrix-keypad.txt     |  49 ---------
 .../bindings/input/gpio-matrix-keypad.yaml    | 100 ++++++++++++++++++
 .../bindings/power/wakeup-source.txt          |   2 +-
 drivers/input/keyboard/matrix_keypad.c        |  38 ++++++-
 4 files changed, 135 insertions(+), 54 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/input/gpio-matrix-keypad.txt
 create mode 100644 Documentation/devicetree/bindings/input/gpio-matrix-keypad.yaml

-- 
2.39.5