The series adds EC PWM as an backend option for ChromeOS keyboard LED backlight. The 1st patch reorder the headers alphabetically. The 2nd patch separates the ACPI backend. The 3rd patch is the DT binding document for the proposed compatible string. The 4th patch supports OF match. The 5th patch adds EC PWM as another backend. Changes from v3: (https://patchwork.kernel.org/project/chrome-platform/cover/20220321085547.1162312-1-tzungbi@xxxxxxxxxx/) - Fix review comments on 5th patch. Changes from v2: (https://patchwork.kernel.org/project/chrome-platform/cover/20220314090835.3822093-1-tzungbi@xxxxxxxxxx/) - Fix per review comments. Changes from v1: (https://patchwork.kernel.org/project/chrome-platform/cover/20220214053646.3088298-1-tzungbi@xxxxxxxxxx/) - Update email address accordingly. Tzung-Bi Shih (5): platform/chrome: cros_kbd_led_backlight: sort headers alphabetically platform/chrome: cros_kbd_led_backlight: separate ACPI backend dt-bindings: add google,cros-kbd-led-backlight platform/chrome: cros_kbd_led_backlight: support OF match platform/chrome: cros_kbd_led_backlight: support EC PWM backend .../chrome/google,cros-kbd-led-backlight.yaml | 35 ++++ .../bindings/mfd/google,cros-ec.yaml | 3 + drivers/platform/chrome/Kconfig | 2 +- .../platform/chrome/cros_kbd_led_backlight.c | 196 ++++++++++++++++-- 4 files changed, 213 insertions(+), 23 deletions(-) create mode 100644 Documentation/devicetree/bindings/chrome/google,cros-kbd-led-backlight.yaml -- 2.36.1.124.g0e6072fb45-goog