From: Nuno Sá <nuno.sa@analog.com>
Date: Wed, 13 Jul 2022 13:14:20 +0000 (+0200)
Subject: gpiolib: acpi: support bias pull disable
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6fd03f024828;p=linux.git

gpiolib: acpi: support bias pull disable

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>
---

diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index c2523ac26facd..9be1376f9a627 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -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;
 	}