Exemplos de acpi_enable_event em C++ (Cpp)

Exemplo n.º 1

Arquivo: evxface.c Projeto: kzlin129/tt-gpl

acpi_status
acpi_install_fixed_event_handler (
	u32                             event,
	acpi_event_handler              handler,
	void                            *context)
{
	acpi_status                     status;


	ACPI_FUNCTION_TRACE ("acpi_install_fixed_event_handler");


	/* Parameter validation */

	if (event > ACPI_EVENT_MAX) {
		return_ACPI_STATUS (AE_BAD_PARAMETER);
	}

	status = acpi_ut_acquire_mutex (ACPI_MTX_EVENTS);
	if (ACPI_FAILURE (status)) {
		return_ACPI_STATUS (status);
	}

	/* Don't allow two handlers. */

	if (NULL != acpi_gbl_fixed_event_handlers[event].handler) {
		status = AE_ALREADY_EXISTS;
		goto cleanup;
	}

	/* Install the handler before enabling the event */

	acpi_gbl_fixed_event_handlers[event].handler = handler;
	acpi_gbl_fixed_event_handlers[event].context = context;

	status = acpi_clear_event (event);
	if (ACPI_SUCCESS(status))
		status = acpi_enable_event (event, 0);
	if (ACPI_FAILURE (status)) {
		ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "Could not enable fixed event.\n"));

		/* Remove the handler */

		acpi_gbl_fixed_event_handlers[event].handler = NULL;
		acpi_gbl_fixed_event_handlers[event].context = NULL;
	}
	else {
		ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
			"Enabled fixed event %X, Handler=%p\n", event, handler));
	}


cleanup:
	(void) acpi_ut_release_mutex (ACPI_MTX_EVENTS);
	return_ACPI_STATUS (status);
}

Exemplo n.º 2

acpi_status
acpi_install_fixed_event_handler(u32 event,
				 acpi_event_handler handler, void *context)
{
	acpi_status status;

	ACPI_FUNCTION_TRACE(acpi_install_fixed_event_handler);

	

	if (event > ACPI_EVENT_MAX) {
		return_ACPI_STATUS(AE_BAD_PARAMETER);
	}

	status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
	if (ACPI_FAILURE(status)) {
		return_ACPI_STATUS(status);
	}

	

	if (NULL != acpi_gbl_fixed_event_handlers[event].handler) {
		status = AE_ALREADY_EXISTS;
		goto cleanup;
	}

	

	acpi_gbl_fixed_event_handlers[event].handler = handler;
	acpi_gbl_fixed_event_handlers[event].context = context;

	status = acpi_clear_event(event);
	if (ACPI_SUCCESS(status))
		status = acpi_enable_event(event, 0);
	if (ACPI_FAILURE(status)) {
		ACPI_WARNING((AE_INFO, "Could not enable fixed event %X",
			      event));

		

		acpi_gbl_fixed_event_handlers[event].handler = NULL;
		acpi_gbl_fixed_event_handlers[event].context = NULL;
	} else {
		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
				  "Enabled fixed event %X, Handler=%p\n", event,
				  handler));
	}

      cleanup:
	(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
	return_ACPI_STATUS(status);
}

Exemplo n.º 3

Arquivo: rtc-cmos.c Projeto: AICP/kernel_moto_shamu

static void rtc_wake_on(struct device *dev)
{
	acpi_clear_event(ACPI_EVENT_RTC);
	acpi_enable_event(ACPI_EVENT_RTC, 0);
}