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>
26 #define ACPI_BUTTON_CLASS "button"
32 #define ACPI_BUTTON_DEVICE_NAME_POWER "Power Button"
36 #define ACPI_BUTTON_DEVICE_NAME_SLEEP "Sleep Button"
58 ACPI_MODULE_NAME("button");
61 MODULE_DESCRIPTION("ACPI Button Driver");
77 /* GP-electronic T701, _LID method points to a floating GPIO */
144 .name = "button",
167 static long lid_init_state = -1;
173 /* --------------------------------------------------------------------------
175 -------------------------------------------------------------------------- */
185 status = acpi_evaluate_integer(device->handle, "_LID", NULL, &lid_state); in acpi_lid_evaluate_state()
187 return -ENODEV; in acpi_lid_evaluate_state()
194 struct acpi_button *button = acpi_driver_data(device); in acpi_lid_notify_state() local
206 button->last_state != !!state) in acpi_lid_notify_state()
211 next_report = ktime_add(button->last_time, in acpi_lid_notify_state()
213 if (button->last_state == !!state && in acpi_lid_notify_state()
255 input_report_switch(button->input, in acpi_lid_notify_state()
257 input_sync(button->input); in acpi_lid_notify_state()
263 acpi_handle_debug(device->handle, "ACPI LID %s\n", in acpi_lid_notify_state()
265 input_report_switch(button->input, SW_LID, !state); in acpi_lid_notify_state()
266 input_sync(button->input); in acpi_lid_notify_state()
267 button->last_state = !!state; in acpi_lid_notify_state()
268 button->last_time = ktime_get(); in acpi_lid_notify_state()
277 struct acpi_device *device = seq->private; in acpi_button_state_seq_show()
288 struct acpi_button *button = acpi_driver_data(device); in acpi_button_add_fs() local
293 if (button->type != ACPI_BUTTON_TYPE_LID) in acpi_button_add_fs()
298 return -EEXIST; in acpi_button_add_fs()
301 /* create /proc/acpi/button */ in acpi_button_add_fs()
304 return -ENODEV; in acpi_button_add_fs()
306 /* create /proc/acpi/button/lid */ in acpi_button_add_fs()
309 ret = -ENODEV; in acpi_button_add_fs()
313 /* create /proc/acpi/button/lid/LID/ */ in acpi_button_add_fs()
316 ret = -ENODEV; in acpi_button_add_fs()
320 /* create /proc/acpi/button/lid/LID/state */ in acpi_button_add_fs()
325 ret = -ENODEV; in acpi_button_add_fs()
347 struct acpi_button *button = acpi_driver_data(device); in acpi_button_remove_fs() local
349 if (button->type != ACPI_BUTTON_TYPE_LID) in acpi_button_remove_fs()
365 /* --------------------------------------------------------------------------
367 -------------------------------------------------------------------------- */
371 return -ENODEV; in acpi_lid_open()
387 acpi_pm_wakeup_event(&device->dev); in acpi_lid_update_state()
394 struct acpi_button *button = acpi_driver_data(device); in acpi_lid_initialize_state() local
408 button->lid_state_initialized = true; in acpi_lid_initialize_state()
413 struct acpi_button *button = acpi_driver_data(device); in acpi_button_notify() local
421 input = button->input; in acpi_button_notify()
422 if (button->type == ACPI_BUTTON_TYPE_LID) { in acpi_button_notify()
423 if (button->lid_state_initialized) in acpi_button_notify()
428 acpi_pm_wakeup_event(&device->dev); in acpi_button_notify()
429 if (button->suspended) in acpi_button_notify()
432 keycode = test_bit(KEY_SLEEP, input->keybit) ? in acpi_button_notify()
440 device->pnp.device_class, in acpi_button_notify()
441 dev_name(&device->dev), in acpi_button_notify()
442 event, ++button->pushed); in acpi_button_notify()
456 struct acpi_button *button = acpi_driver_data(device); in acpi_button_suspend() local
458 button->suspended = true; in acpi_button_suspend()
465 struct acpi_button *button = acpi_driver_data(device); in acpi_button_resume() local
467 button->suspended = false; in acpi_button_resume()
468 if (button->type == ACPI_BUTTON_TYPE_LID) { in acpi_button_resume()
469 button->last_state = !!acpi_lid_evaluate_state(device); in acpi_button_resume()
470 button->last_time = ktime_get(); in acpi_button_resume()
480 struct acpi_button *button = acpi_driver_data(device); in acpi_lid_input_open() local
482 button->last_state = !!acpi_lid_evaluate_state(device); in acpi_lid_input_open()
483 button->last_time = ktime_get(); in acpi_lid_input_open()
491 struct acpi_button *button; in acpi_button_add() local
499 return -ENODEV; in acpi_button_add()
501 button = kzalloc(sizeof(struct acpi_button), GFP_KERNEL); in acpi_button_add()
502 if (!button) in acpi_button_add()
503 return -ENOMEM; in acpi_button_add()
505 device->driver_data = button; in acpi_button_add()
507 button->input = input = input_allocate_device(); in acpi_button_add()
509 error = -ENOMEM; in acpi_button_add()
518 button->type = ACPI_BUTTON_TYPE_POWER; in acpi_button_add()
524 button->type = ACPI_BUTTON_TYPE_SLEEP; in acpi_button_add()
529 button->type = ACPI_BUTTON_TYPE_LID; in acpi_button_add()
533 input->open = acpi_lid_input_open; in acpi_button_add()
536 error = -ENODEV; in acpi_button_add()
544 snprintf(button->phys, sizeof(button->phys), "%s/button/input0", hid); in acpi_button_add()
546 input->name = name; in acpi_button_add()
547 input->phys = button->phys; in acpi_button_add()
548 input->id.bustype = BUS_HOST; in acpi_button_add()
549 input->id.product = button->type; in acpi_button_add()
550 input->dev.parent = &device->dev; in acpi_button_add()
552 switch (button->type) { in acpi_button_add()
570 if (button->type == ACPI_BUTTON_TYPE_LID) { in acpi_button_add()
578 device_init_wakeup(&device->dev, true); in acpi_button_add()
587 kfree(button); in acpi_button_add()
593 struct acpi_button *button = acpi_driver_data(device); in acpi_button_remove() local
596 input_unregister_device(button->input); in acpi_button_remove()
597 kfree(button); in acpi_button_remove()
625 buf[c - 1] = '\n'; /* Replace the final space with a newline */ in param_get_lid_init_state()
639 if (lid_init_state == -1) { in acpi_button_register_driver()
642 lid_init_state = (long)dmi_id->driver_data; in acpi_button_register_driver()
650 * capable kernels booted in non-ACPI mode if the return value of in acpi_button_register_driver()