platform/chrome: cros_kbd_led_backlight: support EC PWM backend

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EC PWM backend uses EC_CMD_PWM_SET_KEYBOARD_BACKLIGHT and
EC_CMD_PWM_GET_KEYBOARD_BACKLIGHT for setting and getting the brightness
respectively.

Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Tested-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20220523090822.3035189-6-tzungbi@kernel.org

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Tzung-Bi Shih 2022-05-23 17:08:22 +08:00

parent fd1e8054ff

commit 40f5814374

2 changed files with 99 additions and 16 deletions

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2

drivers/platform/chrome/Kconfig

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113

drivers/platform/chrome/cros_kbd_led_backlight.c

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