gpiolib / ACPI: allow passing GPIOF_ACTIVE_LOW for GpioInt resources

[karo-tx-linux.git] / drivers / gpio / gpiolib-acpi.c

diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index 03187d0a30453786b7f8a560d5981cdb08da4975..ae0ffdce8bd57d4857b46cdc963f708923839982 100644 (file)
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -253,6 +253,8 @@ static int acpi_find_gpio(struct acpi_resource *ares, void *data)
                                              agpio->pin_table[0]);
                lookup->info.gpioint =
                        agpio->connection_type == ACPI_RESOURCE_GPIO_TYPE_INT;
+               lookup->info.active_low =
+                       agpio->polarity == ACPI_ACTIVE_LOW;
        }
 
        return 1;