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authorMika Westerberg <mika.westerberg@linux.intel.com>2013-10-10 10:01:10 +0200
committerLinus Walleij <linus.walleij@linaro.org>2013-10-19 23:32:14 +0200
commite01f440a689aeb2d0e81c696fe2069f8d01d5d49 (patch)
tree656695ddd5ab89bf661b5d1a721d3f086328fcea /include
parentgpiolib / ACPI: add ACPI support for gpiod_get_index() (diff)
downloadlinux-e01f440a689aeb2d0e81c696fe2069f8d01d5d49.tar.xz
linux-e01f440a689aeb2d0e81c696fe2069f8d01d5d49.zip
gpiolib / ACPI: allow passing GPIOF_ACTIVE_LOW for GpioInt resources
The ACPI GpioInt resources contain polarity field that is used to specify whether the interrupt is active high or low. Since gpiolib supports GPIOF_ACTIVE_LOW we can pass this information in the flags field in acpi_find_gpio(), analogous to the DeviceTree version. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/acpi_gpio.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/acpi_gpio.h b/include/linux/acpi_gpio.h
index b6ce601e55a2..d875bc3dba3c 100644
--- a/include/linux/acpi_gpio.h
+++ b/include/linux/acpi_gpio.h
@@ -10,9 +10,11 @@
/**
* struct acpi_gpio_info - ACPI GPIO specific information
* @gpioint: if %true this GPIO is of type GpioInt otherwise type is GpioIo
+ * @active_low: in case of @gpioint, the pin is active low
*/
struct acpi_gpio_info {
bool gpioint;
+ bool active_low;
};
#ifdef CONFIG_GPIO_ACPI