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>
77 /* GP-electronic T701, _LID method points to a floating GPIO */
87 * Medion Akoya E2215T, notification of the LID device only
98 * Medion Akoya E2228T, notification of the LID device only
110 * only happens on close, not on open and _LID always returns closed.
148 struct input_dev *input; member
149 char phys[32]; /* for input device */
158 static long lid_init_state = -1;
164 /* --------------------------------------------------------------------------
166 -------------------------------------------------------------------------- */
176 status = acpi_evaluate_integer(device->handle, "_LID", NULL, &lid_state); in acpi_lid_evaluate_state()
178 return -ENODEV; in acpi_lid_evaluate_state()
193 * So "last_time" is only updated after a timeout or an actual in acpi_lid_notify_state()
197 button->last_state != !!state) in acpi_lid_notify_state()
202 next_report = ktime_add(button->last_time, in acpi_lid_notify_state()
204 if (button->last_state == !!state && in acpi_lid_notify_state()
227 * But SW_LID is typed as input switch event, the input in acpi_lid_notify_state()
246 input_report_switch(button->input, in acpi_lid_notify_state()
248 input_sync(button->input); in acpi_lid_notify_state()
254 acpi_handle_debug(device->handle, "ACPI LID %s\n", in acpi_lid_notify_state()
256 input_report_switch(button->input, SW_LID, !state); in acpi_lid_notify_state()
257 input_sync(button->input); in acpi_lid_notify_state()
258 button->last_state = !!state; in acpi_lid_notify_state()
259 button->last_time = ktime_get(); in acpi_lid_notify_state()
268 struct acpi_device *device = seq->private; in acpi_button_state_seq_show()
283 /* procfs I/F for ACPI lid device only */ in acpi_button_add_fs()
284 if (button->type != ACPI_BUTTON_TYPE_LID) in acpi_button_add_fs()
289 return -EEXIST; in acpi_button_add_fs()
295 return -ENODEV; in acpi_button_add_fs()
300 ret = -ENODEV; in acpi_button_add_fs()
307 ret = -ENODEV; in acpi_button_add_fs()
316 ret = -ENODEV; in acpi_button_add_fs()
340 if (button->type != ACPI_BUTTON_TYPE_LID) in acpi_button_remove_fs()
356 /* --------------------------------------------------------------------------
358 -------------------------------------------------------------------------- */
362 return -ENODEV; in acpi_lid_open()
378 acpi_pm_wakeup_event(&device->dev); in acpi_lid_update_state()
399 button->lid_state_initialized = true; in acpi_lid_initialize_state()
405 struct input_dev *input; in acpi_button_notify() local
412 input = button->input; in acpi_button_notify()
413 if (button->type == ACPI_BUTTON_TYPE_LID) { in acpi_button_notify()
414 if (button->lid_state_initialized) in acpi_button_notify()
419 acpi_pm_wakeup_event(&device->dev); in acpi_button_notify()
420 if (button->suspended) in acpi_button_notify()
423 keycode = test_bit(KEY_SLEEP, input->keybit) ? in acpi_button_notify()
425 input_report_key(input, keycode, 1); in acpi_button_notify()
426 input_sync(input); in acpi_button_notify()
427 input_report_key(input, keycode, 0); in acpi_button_notify()
428 input_sync(input); in acpi_button_notify()
431 device->pnp.device_class, in acpi_button_notify()
432 dev_name(&device->dev), in acpi_button_notify()
433 event, ++button->pushed); in acpi_button_notify()
449 button->suspended = true; in acpi_button_suspend()
458 button->suspended = false; in acpi_button_resume()
459 if (button->type == ACPI_BUTTON_TYPE_LID) { in acpi_button_resume()
460 button->last_state = !!acpi_lid_evaluate_state(device); in acpi_button_resume()
461 button->last_time = ktime_get(); in acpi_button_resume()
468 static int acpi_lid_input_open(struct input_dev *input) in acpi_lid_input_open() argument
470 struct acpi_device *device = input_get_drvdata(input); in acpi_lid_input_open()
473 button->last_state = !!acpi_lid_evaluate_state(device); in acpi_lid_input_open()
474 button->last_time = ktime_get(); in acpi_lid_input_open()
483 struct input_dev *input; in acpi_button_add() local
490 return -ENODEV; in acpi_button_add()
494 return -ENOMEM; in acpi_button_add()
496 device->driver_data = button; in acpi_button_add()
498 button->input = input = input_allocate_device(); in acpi_button_add()
499 if (!input) { in acpi_button_add()
500 error = -ENOMEM; in acpi_button_add()
509 button->type = ACPI_BUTTON_TYPE_POWER; in acpi_button_add()
515 button->type = ACPI_BUTTON_TYPE_SLEEP; in acpi_button_add()
520 button->type = ACPI_BUTTON_TYPE_LID; in acpi_button_add()
524 input->open = acpi_lid_input_open; in acpi_button_add()
527 error = -ENODEV; in acpi_button_add()
535 snprintf(button->phys, sizeof(button->phys), "%s/button/input0", hid); in acpi_button_add()
537 input->name = name; in acpi_button_add()
538 input->phys = button->phys; in acpi_button_add()
539 input->id.bustype = BUS_HOST; in acpi_button_add()
540 input->id.product = button->type; in acpi_button_add()
541 input->dev.parent = &device->dev; in acpi_button_add()
543 switch (button->type) { in acpi_button_add()
545 input_set_capability(input, EV_KEY, KEY_POWER); in acpi_button_add()
549 input_set_capability(input, EV_KEY, KEY_SLEEP); in acpi_button_add()
553 input_set_capability(input, EV_SW, SW_LID); in acpi_button_add()
557 input_set_drvdata(input, device); in acpi_button_add()
558 error = input_register_device(input); in acpi_button_add()
561 if (button->type == ACPI_BUTTON_TYPE_LID) { in acpi_button_add()
563 * This assumes there's only one lid device, or if there are in acpi_button_add()
564 * more we only care about the last one... in acpi_button_add()
569 device_init_wakeup(&device->dev, true); in acpi_button_add()
576 input_free_device(input); in acpi_button_add()
587 input_unregister_device(button->input); in acpi_button_remove()
616 buf[c - 1] = '\n'; /* Replace the final space with a newline */ in param_get_lid_init_state()
630 if (lid_init_state == -1) { in acpi_button_register_driver()
633 lid_init_state = (long)dmi_id->driver_data; in acpi_button_register_driver()
641 * capable kernels booted in non-ACPI mode if the return value of in acpi_button_register_driver()