platform/x86: x86-android-tablets: Stop using gpiolib private APIs

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Refactor x86_android_tablet_get_gpiod() to no longer use
gpiolib private functions like gpiochip_find().

As a bonus this allows specifying that the GPIO is active-low,
like the /CE (charge enable) pin on the bq25892 charger on
the Lenovo Yoga Tablet 3.

Reported-by: Bartosz Golaszewski <brgl@bgdev.pl>
Closes: https://lore.kernel.org/platform-driver-x86/20230905185309.131295-12-brgl@bgdev.pl/
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20230909141816.58358-7-hdegoede@redhat.com

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This commit is contained in:

Hans de Goede 2023-09-09 16:18:14 +02:00

parent 8b57d33a6f

commit 4014ae236b

5 changed files with 55 additions and 37 deletions

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1

drivers/platform/x86/x86-android-tablets/asus.c

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51

drivers/platform/x86/x86-android-tablets/core.c

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drivers/platform/x86/x86-android-tablets/lenovo.c

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drivers/platform/x86/x86-android-tablets/other.c

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drivers/platform/x86/x86-android-tablets/x86-android-tablets.h

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