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| author | Raul E Rangel <rrangel@chromium.org> | 2022-09-29 10:19:09 -0600 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-10-04 15:41:12 +0200 |
| commit | 4c99256013fa4e0fe9733ca1bab2b5684ccc02a1 (patch) | |
| tree | d9451a32e7892ce880517830ee4a9a37d623ae4c /include/linux/acpi.h | |
| parent | f76349cf41451c5c42a99f18a9163377e4b364ff (diff) | |
| download | linux-4c99256013fa4e0fe9733ca1bab2b5684ccc02a1.tar.gz linux-4c99256013fa4e0fe9733ca1bab2b5684ccc02a1.tar.bz2 linux-4c99256013fa4e0fe9733ca1bab2b5684ccc02a1.zip | |
gpiolib: acpi: Add wake_capable variants of acpi_dev_gpio_irq_get
The ACPI spec defines the SharedAndWake and ExclusiveAndWake share type
keywords. This is an indication that the GPIO IRQ can also be used as a
wake source. This change exposes the wake_capable bit so drivers can
correctly enable wake functionality instead of making an assumption.
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/linux/acpi.h')
| -rw-r--r-- | include/linux/acpi.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 6f64b2f3dc54..cd7371a5f283 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -1202,7 +1202,8 @@ bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, struct acpi_resource_gpio **agpio); bool acpi_gpio_get_io_resource(struct acpi_resource *ares, struct acpi_resource_gpio **agpio); -int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name, int index); +int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, int index, + bool *wake_capable); #else static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, struct acpi_resource_gpio **agpio) @@ -1214,16 +1215,28 @@ static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, { return false; } -static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, - const char *name, int index) +static inline int acpi_dev_gpio_irq_wake_get_by(struct acpi_device *adev, const char *name, + int index, bool *wake_capable) { return -ENXIO; } #endif +static inline int acpi_dev_gpio_irq_wake_get(struct acpi_device *adev, int index, + bool *wake_capable) +{ + return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, wake_capable); +} + +static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name, + int index) +{ + return acpi_dev_gpio_irq_wake_get_by(adev, name, index, NULL); +} + static inline int acpi_dev_gpio_irq_get(struct acpi_device *adev, int index) { - return acpi_dev_gpio_irq_get_by(adev, NULL, index); + return acpi_dev_gpio_irq_wake_get_by(adev, NULL, index, NULL); } /* Device properties */ |