linux-kernel - [PATCH v5 0/2] leds: add ktd20xx LED driver support

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Message-ID: <20220127090841.396-1-fe@dev.tdt.de>
Date:   Thu, 27 Jan 2022 10:08:39 +0100
From:   Florian Eckert <fe@....tdt.de>
To:     pavel@....cz, robh+dt@...nel.org, andy.shevchenko@...il.com
Cc:     Eckert.Florian@...glemail.com, linux-kernel@...r.kernel.org,
        linux-leds@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH v5 0/2] leds: add ktd20xx LED driver support

v1: Initial send
v2: Remove variant 1 from source
v3: Changes requested by Andy Shevchenko added. Thanks for reviewing
  - Removing OF dependency
  - Add missing includes
  - Use device_property_read_u32() instead of fwnode_property_read_u32()
  - Use one liner function pattern <test> ? <value-true> : <value-false>
  - Remove switch case call for intensity color selection use BIT()
    instead
  - Remove not needed fwnode_handle_put() in ktd200xx_probe_dt()
    function
  - Use dev_get_drvdata() instead of i2c_get_clientdata() function call
  - Use sysfs_emit() function call
  - Use kstrtobool() function call
  - Remove not needed comma after last array element
  - Use dev_err_probe() instead of dev_error() in driver probe function
  - Do not use dev_group registration function set .dev_groups directly
    into ktd20xx_driver struct.
v4: Changes requested by Andy Shevchenko. Thanks again for your review
  - Fix Author indentation
  - Reduce logging noise
  - Use 'if' standard pattern
  - Use set_bit function to make code cleaner
  - Use meaningful jump labels
  - Updating the logging output to better match the source code
  - Remove duplicate dev pointer usage. This is not necessary as the
    information can be used directly from the client structure
  - Do not hide return value from kstrbool function
  - Do not use mutex_destroy function in devm mananged structs
v5: Changes requested by Andy Shevchenko. Thanks again for your review
so I could learn a lot about good coding style.
  - Update file header
  - Add missing comma to last array element
  - Fix spelling
  - Replace not needed atomic bit set function set_bit() with __set_bit()
  - Use more meaningful goto jump labels
  - Use return statement and not goto jump labels where possible
  - Use probe_new function
  - Use dev_dbg() function instead of dev_info() function in probe

Florian Eckert (2):
  leds: ktd20xx: Extension of the KTD20xx family of LED drivers from
    Kinetic
  dt: bindings: KTD20xx: Introduce the ktd20xx family of RGB drivers

 .../bindings/leds/leds-ktd20xx.yaml           | 130 ++++
 MAINTAINERS                                   |   7 +
 drivers/leds/Kconfig                          |  12 +
 drivers/leds/Makefile                         |   1 +
 drivers/leds/leds-ktd20xx.c                   | 572 ++++++++++++++++++
 5 files changed, 722 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/leds/leds-ktd20xx.yaml
 create mode 100644 drivers/leds/leds-ktd20xx.c

-- 
2.20.1