mirror of
https://github.com/linux-msm/laptops-kernel.git
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Arnd Bergmann
0b333ae1a5
Most users of gpio-keys and gpio-keys-polled use modern gpiolib interfaces, but there are still number of ancient sh, arm32 and x86 machines that have never been converted. Add an #ifdef block for the parts of the driver that are only used on those legacy machines. Link: https://lore.kernel.org/all/b3c94552-c104-42e3-be15-7e8362e8039e@gmail.com/ Link: https://lore.kernel.org/all/afJXG4_rtaj3l2Dk@google.com/ Link: https://lore.kernel.org/all/ajQ-CtU131FAJ9ES@google.com/ Acked-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> # for input Signed-off-by: Arnd Bergmann <arnd@arndb.de>
65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _GPIO_KEYS_H
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#define _GPIO_KEYS_H
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#include <linux/types.h>
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struct device;
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/**
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* struct gpio_keys_button - configuration parameters
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* @code: input event code (KEY_*, SW_*)
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* @gpio: %-1 if this key does not support gpio
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* @active_low: %true indicates that button is considered
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* depressed when gpio is low
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* @desc: label that will be attached to button's gpio
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* @type: input event type (%EV_KEY, %EV_SW, %EV_ABS)
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* @wakeup: configure the button as a wake-up source
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* @wakeup_event_action: event action to trigger wakeup
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* @debounce_interval: debounce ticks interval in msecs
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* @can_disable: %true indicates that userspace is allowed to
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* disable button via sysfs
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* @value: axis value for %EV_ABS
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* @irq: Irq number in case of interrupt keys
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* @wakeirq: Optional dedicated wake-up interrupt
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*/
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struct gpio_keys_button {
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unsigned int code;
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#ifdef CONFIG_GPIOLIB_LEGACY
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int gpio;
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#endif
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int active_low;
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const char *desc;
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unsigned int type;
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int wakeup;
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int wakeup_event_action;
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int debounce_interval;
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bool can_disable;
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int value;
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unsigned int irq;
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unsigned int wakeirq;
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};
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/**
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* struct gpio_keys_platform_data - platform data for gpio_keys driver
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* @buttons: pointer to array of &gpio_keys_button structures
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* describing buttons attached to the device
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* @nbuttons: number of elements in @buttons array
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* @poll_interval: polling interval in msecs - for polling driver only
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* @rep: enable input subsystem auto repeat
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* @enable: platform hook for enabling the device
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* @disable: platform hook for disabling the device
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* @name: input device name
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*/
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struct gpio_keys_platform_data {
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const struct gpio_keys_button *buttons;
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int nbuttons;
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unsigned int poll_interval;
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unsigned int rep:1;
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int (*enable)(struct device *dev);
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void (*disable)(struct device *dev);
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const char *name;
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};
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#endif
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