Lines Matching +full:input +full:- +full:only
1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * button.c - ACPI Button Driver
18 #include <linux/input.h>
72 /* GP-electronic T701, _LID method points to a floating GPIO */
102 * Medion Akoya E2215T, notification of the LID device only
113 * Medion Akoya E2228T, notification of the LID device only
125 * only happens on close, not on open and _LID always returns closed.
161 struct input_dev *input; member
162 char phys[32]; /* for input device */
171 static long lid_init_state = -1;
186 status = acpi_evaluate_integer(device->handle, "_LID", NULL, &lid_state); in acpi_lid_evaluate_state()
188 return -ENODEV; in acpi_lid_evaluate_state()
203 * So "last_time" is only updated after a timeout or an actual in acpi_lid_notify_state()
207 button->last_state != !!state) in acpi_lid_notify_state()
212 next_report = ktime_add(button->last_time, in acpi_lid_notify_state()
214 if (button->last_state == !!state && in acpi_lid_notify_state()
237 * But SW_LID is typed as input switch event, the input in acpi_lid_notify_state()
256 input_report_switch(button->input, in acpi_lid_notify_state()
258 input_sync(button->input); in acpi_lid_notify_state()
264 acpi_handle_debug(device->handle, "ACPI LID %s\n", in acpi_lid_notify_state()
266 input_report_switch(button->input, SW_LID, !state); in acpi_lid_notify_state()
267 input_sync(button->input); in acpi_lid_notify_state()
268 button->last_state = !!state; in acpi_lid_notify_state()
269 button->last_time = ktime_get(); in acpi_lid_notify_state()
278 struct acpi_device *device = seq->private; in acpi_button_state_seq_show()
293 /* procfs I/F for ACPI lid device only */ in acpi_button_add_fs()
294 if (button->type != ACPI_BUTTON_TYPE_LID) in acpi_button_add_fs()
299 return -EEXIST; in acpi_button_add_fs()
305 return -ENODEV; in acpi_button_add_fs()
310 ret = -ENODEV; in acpi_button_add_fs()
317 ret = -ENODEV; in acpi_button_add_fs()
326 ret = -ENODEV; in acpi_button_add_fs()
350 if (button->type != ACPI_BUTTON_TYPE_LID) in acpi_button_remove_fs()
370 return -ENODEV; in acpi_lid_open()
386 acpi_pm_wakeup_event(&device->dev); in acpi_lid_update_state()
407 button->lid_state_initialized = true; in acpi_lid_initialize_state()
416 acpi_handle_debug(device->handle, "Unsupported event [0x%x]\n", in acpi_lid_notify()
422 if (!button->lid_state_initialized) in acpi_lid_notify()
432 struct input_dev *input; in acpi_button_notify() local
436 acpi_handle_debug(device->handle, "Unsupported event [0x%x]\n", in acpi_button_notify()
441 acpi_pm_wakeup_event(&device->dev); in acpi_button_notify()
444 if (button->suspended) in acpi_button_notify()
447 input = button->input; in acpi_button_notify()
448 keycode = test_bit(KEY_SLEEP, input->keybit) ? KEY_SLEEP : KEY_POWER; in acpi_button_notify()
450 input_report_key(input, keycode, 1); in acpi_button_notify()
451 input_sync(input); in acpi_button_notify()
452 input_report_key(input, keycode, 0); in acpi_button_notify()
453 input_sync(input); in acpi_button_notify()
455 acpi_bus_generate_netlink_event(device->pnp.device_class, in acpi_button_notify()
456 dev_name(&device->dev), in acpi_button_notify()
457 event, ++button->pushed); in acpi_button_notify()
477 button->suspended = true; in acpi_button_suspend()
486 button->suspended = false; in acpi_button_resume()
487 if (button->type == ACPI_BUTTON_TYPE_LID) { in acpi_button_resume()
488 button->last_state = !!acpi_lid_evaluate_state(device); in acpi_button_resume()
489 button->last_time = ktime_get(); in acpi_button_resume()
496 static int acpi_lid_input_open(struct input_dev *input) in acpi_lid_input_open() argument
498 struct acpi_device *device = input_get_drvdata(input); in acpi_lid_input_open()
501 button->last_state = !!acpi_lid_evaluate_state(device); in acpi_lid_input_open()
502 button->last_time = ktime_get(); in acpi_lid_input_open()
512 struct input_dev *input; in acpi_button_add() local
520 return -ENODEV; in acpi_button_add()
524 return -ENOMEM; in acpi_button_add()
526 device->driver_data = button; in acpi_button_add()
528 button->input = input = input_allocate_device(); in acpi_button_add()
529 if (!input) { in acpi_button_add()
530 error = -ENOMEM; in acpi_button_add()
539 button->type = ACPI_BUTTON_TYPE_POWER; in acpi_button_add()
546 button->type = ACPI_BUTTON_TYPE_SLEEP; in acpi_button_add()
552 button->type = ACPI_BUTTON_TYPE_LID; in acpi_button_add()
557 input->open = acpi_lid_input_open; in acpi_button_add()
560 error = -ENODEV; in acpi_button_add()
567 input_free_device(input); in acpi_button_add()
571 snprintf(button->phys, sizeof(button->phys), "%s/button/input0", hid); in acpi_button_add()
573 input->name = name; in acpi_button_add()
574 input->phys = button->phys; in acpi_button_add()
575 input->id.bustype = BUS_HOST; in acpi_button_add()
576 input->id.product = button->type; in acpi_button_add()
577 input->dev.parent = &device->dev; in acpi_button_add()
579 switch (button->type) { in acpi_button_add()
581 input_set_capability(input, EV_KEY, KEY_POWER); in acpi_button_add()
585 input_set_capability(input, EV_KEY, KEY_SLEEP); in acpi_button_add()
589 input_set_capability(input, EV_SW, SW_LID); in acpi_button_add()
593 input_set_drvdata(input, device); in acpi_button_add()
594 error = input_register_device(input); in acpi_button_add()
598 switch (device->device_type) { in acpi_button_add()
610 status = acpi_install_notify_handler(device->handle, in acpi_button_add()
616 error = -ENODEV; in acpi_button_add()
620 if (button->type == ACPI_BUTTON_TYPE_LID) { in acpi_button_add()
622 * This assumes there's only one lid device, or if there are in acpi_button_add()
623 * more we only care about the last one... in acpi_button_add()
628 device_init_wakeup(&device->dev, true); in acpi_button_add()
633 input_unregister_device(input); in acpi_button_add()
645 switch (device->device_type) { in acpi_button_remove()
655 acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, in acpi_button_remove()
656 button->type == ACPI_BUTTON_TYPE_LID ? in acpi_button_remove()
664 input_unregister_device(button->input); in acpi_button_remove()
692 buf[c - 1] = '\n'; /* Replace the final space with a newline */ in param_get_lid_init_state()
706 if (lid_init_state == -1) { in acpi_button_register_driver()
709 lid_init_state = (long)dmi_id->driver_data; in acpi_button_register_driver()
717 * capable kernels booted in non-ACPI mode if the return value of in acpi_button_register_driver()