| #ifndef _GPIO_KEYS_H |
| #define _GPIO_KEYS_H |
| |
| struct device; |
| struct gpio_desc; |
| |
| /** |
| * struct gpio_keys_button - configuration parameters |
| * @code: input event code (KEY_*, SW_*) |
| * @gpio: %-1 if this key does not support gpio |
| * @active_low: %true indicates that button is considered |
| * depressed when gpio is low |
| * @desc: label that will be attached to button's gpio |
| * @type: input event type (%EV_KEY, %EV_SW, %EV_ABS) |
| * @wakeup: configure the button as a wake-up source |
| * @debounce_interval: debounce ticks interval in msecs |
| * @can_disable: %true indicates that userspace is allowed to |
| * disable button via sysfs |
| * @value: axis value for %EV_ABS |
| * @irq: Irq number in case of interrupt keys |
| * @gpiod: GPIO descriptor |
| */ |
| struct gpio_keys_button { |
| unsigned int code; |
| int gpio; |
| int active_low; |
| const char *desc; |
| unsigned int type; |
| int wakeup; |
| int debounce_interval; |
| bool can_disable; |
| int value; |
| unsigned int irq; |
| struct gpio_desc *gpiod; |
| }; |
| |
| /** |
| * struct gpio_keys_platform_data - platform data for gpio_keys driver |
| * @buttons: pointer to array of &gpio_keys_button structures |
| * describing buttons attached to the device |
| * @nbuttons: number of elements in @buttons array |
| * @poll_interval: polling interval in msecs - for polling driver only |
| * @rep: enable input subsystem auto repeat |
| * @enable: platform hook for enabling the device |
| * @disable: platform hook for disabling the device |
| * @name: input device name |
| */ |
| struct gpio_keys_platform_data { |
| struct gpio_keys_button *buttons; |
| int nbuttons; |
| unsigned int poll_interval; |
| unsigned int rep:1; |
| int (*enable)(struct device *dev); |
| void (*disable)(struct device *dev); |
| const char *name; |
| }; |
| |
| #endif |
