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ACPI: button: Use different notify handlers for lid and buttons

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Since the lid handling in acpi_button_notify() is special, introduce
acpi_lid_notify() specifically for handling lid notifications.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2023-06-04 17:20:27 +02:00
parent 0d51157dfa
commit e4e62d5fd8
1 changed files with 27 additions and 12 deletions
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39
drivers/acpi/button.c
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@ -398,6 +398,24 @@ static void acpi_lid_initialize_state(struct acpi_device *device)
button->lid_state_initialized = true;
}
static void acpi_lid_notify(acpi_handle handle, u32 event, void *data)
{
struct acpi_device *device = data;
struct acpi_button *button;
if (event != ACPI_BUTTON_NOTIFY_STATUS) {
acpi_handle_debug(device->handle, "Unsupported event [0x%x]\n",
event);
return;
}
button = acpi_driver_data(device);
if (!button->lid_state_initialized)
return;
acpi_lid_update_state(device, true);
}
static void acpi_button_notify(acpi_handle handle, u32 event, void *data)
{
struct acpi_device *device = data;
@ -411,17 +429,9 @@ static void acpi_button_notify(acpi_handle handle, u32 event, void *data)
return;
}
button = acpi_driver_data(device);
if (button->type == ACPI_BUTTON_TYPE_LID) {
if (button->lid_state_initialized)
acpi_lid_update_state(device, true);
return;
}
acpi_pm_wakeup_event(&device->dev);
button = acpi_driver_data(device);
if (button->suspended)
return;
@ -488,6 +498,7 @@ static int acpi_lid_input_open(struct input_dev *input)
static int acpi_button_add(struct acpi_device *device)
{
acpi_notify_handler handler;
struct acpi_button *button;
struct input_dev *input;
const char *hid = acpi_device_hid(device);
@ -517,17 +528,20 @@ static int acpi_button_add(struct acpi_device *device)
if (!strcmp(hid, ACPI_BUTTON_HID_POWER) ||
!strcmp(hid, ACPI_BUTTON_HID_POWERF)) {
button->type = ACPI_BUTTON_TYPE_POWER;
handler = acpi_button_notify;
strcpy(name, ACPI_BUTTON_DEVICE_NAME_POWER);
sprintf(class, "%s/%s",
ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_POWER);
} else if (!strcmp(hid, ACPI_BUTTON_HID_SLEEP) ||
!strcmp(hid, ACPI_BUTTON_HID_SLEEPF)) {
button->type = ACPI_BUTTON_TYPE_SLEEP;
handler = acpi_button_notify;
strcpy(name, ACPI_BUTTON_DEVICE_NAME_SLEEP);
sprintf(class, "%s/%s",
ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_SLEEP);
} else if (!strcmp(hid, ACPI_BUTTON_HID_LID)) {
button->type = ACPI_BUTTON_TYPE_LID;
handler = acpi_lid_notify;
strcpy(name, ACPI_BUTTON_DEVICE_NAME_LID);
sprintf(class, "%s/%s",
ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_LID);
@ -585,8 +599,7 @@ static int acpi_button_add(struct acpi_device *device)
break;
default:
status = acpi_install_notify_handler(device->handle,
ACPI_DEVICE_NOTIFY,
acpi_button_notify,
ACPI_DEVICE_NOTIFY, handler,
device);
break;
}
@ -631,7 +644,9 @@ static void acpi_button_remove(struct acpi_device *device)
break;
default:
acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
acpi_button_notify);
button->type == ACPI_BUTTON_TYPE_LID ?
acpi_lid_notify :
acpi_button_notify);
break;
}
acpi_os_wait_events_complete();