Lines Matching +full:button +full:-
1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * button.c - ACPI Button Driver
9 #define pr_fmt(fmt) "ACPI: button: " fmt
22 #include <acpi/button.h>
24 #define ACPI_BUTTON_CLASS "button"
30 #define ACPI_BUTTON_DEVICE_NAME_POWER "Power Button"
34 #define ACPI_BUTTON_DEVICE_NAME_SLEEP "Sleep Button"
56 MODULE_DESCRIPTION("ACPI Button Driver");
72 /* GP-electronic T701, _LID method points to a floating GPIO */
160 .name = "button",
182 static long lid_init_state = -1;
197 status = acpi_evaluate_integer(device->handle, "_LID", NULL, &lid_state); in acpi_lid_evaluate_state()
199 return -ENODEV; in acpi_lid_evaluate_state()
206 struct acpi_button *button = acpi_driver_data(device); in acpi_lid_notify_state() local
218 button->last_state != !!state) in acpi_lid_notify_state()
223 next_report = ktime_add(button->last_time, in acpi_lid_notify_state()
225 if (button->last_state == !!state && in acpi_lid_notify_state()
267 input_report_switch(button->input, in acpi_lid_notify_state()
269 input_sync(button->input); in acpi_lid_notify_state()
275 acpi_handle_debug(device->handle, "ACPI LID %s\n", in acpi_lid_notify_state()
277 input_report_switch(button->input, SW_LID, !state); in acpi_lid_notify_state()
278 input_sync(button->input); in acpi_lid_notify_state()
279 button->last_state = !!state; in acpi_lid_notify_state()
280 button->last_time = ktime_get(); in acpi_lid_notify_state()
289 struct acpi_device *device = seq->private; in acpi_button_state_seq_show()
300 struct acpi_button *button = acpi_driver_data(device); in acpi_button_add_fs() local
305 if (button->type != ACPI_BUTTON_TYPE_LID) in acpi_button_add_fs()
310 return -EEXIST; in acpi_button_add_fs()
313 /* create /proc/acpi/button */ in acpi_button_add_fs()
316 return -ENODEV; in acpi_button_add_fs()
318 /* create /proc/acpi/button/lid */ in acpi_button_add_fs()
321 ret = -ENODEV; in acpi_button_add_fs()
325 /* create /proc/acpi/button/lid/LID/ */ in acpi_button_add_fs()
328 ret = -ENODEV; in acpi_button_add_fs()
332 /* create /proc/acpi/button/lid/LID/state */ in acpi_button_add_fs()
337 ret = -ENODEV; in acpi_button_add_fs()
359 struct acpi_button *button = acpi_driver_data(device); in acpi_button_remove_fs() local
361 if (button->type != ACPI_BUTTON_TYPE_LID) in acpi_button_remove_fs()
381 return -ENODEV; in acpi_lid_open()
397 acpi_pm_wakeup_event(&device->dev); in acpi_lid_update_state()
404 struct acpi_button *button = acpi_driver_data(device); in acpi_lid_initialize_state() local
418 button->lid_state_initialized = true; in acpi_lid_initialize_state()
424 struct acpi_button *button; in acpi_lid_notify() local
427 acpi_handle_debug(device->handle, "Unsupported event [0x%x]\n", in acpi_lid_notify()
432 button = acpi_driver_data(device); in acpi_lid_notify()
433 if (!button->lid_state_initialized) in acpi_lid_notify()
442 struct acpi_button *button; in acpi_button_notify() local
447 acpi_handle_debug(device->handle, "Unsupported event [0x%x]\n", in acpi_button_notify()
452 acpi_pm_wakeup_event(&device->dev); in acpi_button_notify()
454 button = acpi_driver_data(device); in acpi_button_notify()
455 if (button->suspended) in acpi_button_notify()
458 input = button->input; in acpi_button_notify()
459 keycode = test_bit(KEY_SLEEP, input->keybit) ? KEY_SLEEP : KEY_POWER; in acpi_button_notify()
466 acpi_bus_generate_netlink_event(device->pnp.device_class, in acpi_button_notify()
467 dev_name(&device->dev), in acpi_button_notify()
468 event, ++button->pushed); in acpi_button_notify()
486 struct acpi_button *button = acpi_driver_data(device); in acpi_button_suspend() local
488 button->suspended = true; in acpi_button_suspend()
495 struct acpi_button *button = acpi_driver_data(device); in acpi_button_resume() local
497 button->suspended = false; in acpi_button_resume()
498 if (button->type == ACPI_BUTTON_TYPE_LID) { in acpi_button_resume()
499 button->last_state = !!acpi_lid_evaluate_state(device); in acpi_button_resume()
500 button->last_time = ktime_get(); in acpi_button_resume()
510 struct acpi_button *button = acpi_driver_data(device); in acpi_lid_input_open() local
512 button->last_state = !!acpi_lid_evaluate_state(device); in acpi_lid_input_open()
513 button->last_time = ktime_get(); in acpi_lid_input_open()
522 struct acpi_button *button; in acpi_button_add() local
531 return -ENODEV; in acpi_button_add()
533 button = kzalloc(sizeof(struct acpi_button), GFP_KERNEL); in acpi_button_add()
534 if (!button) in acpi_button_add()
535 return -ENOMEM; in acpi_button_add()
537 device->driver_data = button; in acpi_button_add()
539 button->input = input = input_allocate_device(); in acpi_button_add()
541 error = -ENOMEM; in acpi_button_add()
550 button->type = ACPI_BUTTON_TYPE_POWER; in acpi_button_add()
557 button->type = ACPI_BUTTON_TYPE_SLEEP; in acpi_button_add()
563 button->type = ACPI_BUTTON_TYPE_LID; in acpi_button_add()
568 input->open = acpi_lid_input_open; in acpi_button_add()
571 error = -ENODEV; in acpi_button_add()
582 snprintf(button->phys, sizeof(button->phys), "%s/button/input0", hid); in acpi_button_add()
584 input->name = name; in acpi_button_add()
585 input->phys = button->phys; in acpi_button_add()
586 input->id.bustype = BUS_HOST; in acpi_button_add()
587 input->id.product = button->type; in acpi_button_add()
588 input->dev.parent = &device->dev; in acpi_button_add()
590 switch (button->type) { in acpi_button_add()
609 switch (device->device_type) { in acpi_button_add()
621 status = acpi_install_notify_handler(device->handle, in acpi_button_add()
627 error = -ENODEV; in acpi_button_add()
631 if (button->type == ACPI_BUTTON_TYPE_LID) { in acpi_button_add()
639 device_init_wakeup(&device->dev, true); in acpi_button_add()
648 kfree(button); in acpi_button_add()
654 struct acpi_button *button = acpi_driver_data(device); in acpi_button_remove() local
656 switch (device->device_type) { in acpi_button_remove()
666 acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, in acpi_button_remove()
667 button->type == ACPI_BUTTON_TYPE_LID ? in acpi_button_remove()
675 input_unregister_device(button->input); in acpi_button_remove()
676 kfree(button); in acpi_button_remove()
703 buf[c - 1] = '\n'; /* Replace the final space with a newline */ in param_get_lid_init_state()
717 if (lid_init_state == -1) { in acpi_button_register_driver()
720 lid_init_state = (long)dmi_id->driver_data; in acpi_button_register_driver()
728 * capable kernels booted in non-ACPI mode if the return value of in acpi_button_register_driver()