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gpiolib: acpi: support bias pull disable

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On top of looking at PULL_UP and PULL_DOWN flags, also look at
PULL_DISABLE and set the appropriate GPIO flag. The GPIO core will then
pass down this to controllers that support it.

Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
This commit is contained in:
Nuno Sá 2022-07-13 15:14:20 +02:00 committed by Bartosz Golaszewski
parent 31bea23119
commit 6fd03f0248
1 changed files with 3 additions and 0 deletions
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3
drivers/gpio/gpiolib-acpi.c
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@ -687,6 +687,9 @@ int acpi_gpio_update_gpiod_lookup_flags(unsigned long *lookupflags,
case ACPI_PIN_CONFIG_PULLDOWN:
*lookupflags |= GPIO_PULL_DOWN;
break;
case ACPI_PIN_CONFIG_NOPULL:
*lookupflags |= GPIO_PULL_DISABLE;
break;
default:
break;
}