Esempi in C++ (Cpp) per pmf_register_irq_client

Esempio n. 1

File: ams-core.c Progetto: 12rafael/jellytimekernel

/* Call with ams_info.lock held! */
int ams_sensor_attach(void)
{
	int result;
	const u32 *prop;

	/* Get orientation */
	prop = of_get_property(ams_info.of_node, "orientation", NULL);
	if (!prop)
		return -ENODEV;
	ams_info.orient1 = *prop;
	ams_info.orient2 = *(prop + 1);

	/* Register freefall interrupt handler */
	result = pmf_register_irq_client(ams_info.of_node,
			"accel-int-1",
			&ams_freefall_client);
	if (result < 0)
		return -ENODEV;

	/* Reset saved irqs */
	ams_info.worker_irqs = 0;

	/* Register shock interrupt handler */
	result = pmf_register_irq_client(ams_info.of_node,
			"accel-int-2",
			&ams_shock_client);
	if (result < 0)
		goto release_freefall;

	/* Create device */
	ams_info.of_dev = of_platform_device_create(ams_info.of_node, "ams", NULL);
	if (!ams_info.of_dev) {
		result = -ENODEV;
		goto release_shock;
	}

	/* Create attributes */
	result = device_create_file(&ams_info.of_dev->dev, &dev_attr_current);
	if (result)
		goto release_of;

	ams_info.vflag = !!(ams_info.get_vendor() & 0x10);

	/* Init input device */
	result = ams_input_init();
	if (result)
		goto release_device_file;

	return result;
release_device_file:
	device_remove_file(&ams_info.of_dev->dev, &dev_attr_current);
release_of:
	of_device_unregister(ams_info.of_dev);
release_shock:
	pmf_unregister_irq_client(&ams_shock_client);
release_freefall:
	pmf_unregister_irq_client(&ams_freefall_client);
	return result;
}

Esempio n. 2

File: gpio-pmf.c Progetto: CSCLOG/beaglebone

static int pmf_set_notify(struct gpio_runtime *rt,
			  enum notify_type type,
			  notify_func_t notify,
			  void *data)
{
	struct gpio_notification *notif;
	notify_func_t old;
	struct pmf_irq_client *irq_client;
	char *name;
	int err = -EBUSY;

	switch (type) {
	case AOA_NOTIFY_HEADPHONE:
		notif = &rt->headphone_notify;
		name = "headphone-detect";
		break;
	case AOA_NOTIFY_LINE_IN:
		notif = &rt->line_in_notify;
		name = "linein-detect";
		break;
	case AOA_NOTIFY_LINE_OUT:
		notif = &rt->line_out_notify;
		name = "lineout-detect";
		break;
	default:
		return -EINVAL;
	}

	mutex_lock(&notif->mutex);

	old = notif->notify;

	if (!old && !notify) {
		err = 0;
		goto out_unlock;
	}

	if (old && notify) {
		if (old == notify && notif->data == data)
			err = 0;
		goto out_unlock;
	}

	if (old && !notify) {
		irq_client = notif->gpio_private;
		pmf_unregister_irq_client(irq_client);
		kfree(irq_client);
		notif->gpio_private = NULL;
	}
	if (!old && notify) {
		irq_client = kzalloc(sizeof(struct pmf_irq_client),
				     GFP_KERNEL);
		if (!irq_client) {
			err = -ENOMEM;
			goto out_unlock;
		}
		irq_client->data = notif;
		irq_client->handler = pmf_handle_notify_irq;
		irq_client->owner = THIS_MODULE;
		err = pmf_register_irq_client(rt->node,
					      name,
					      irq_client);
		if (err) {
			printk(KERN_ERR "snd-aoa: gpio layer failed to"
					" register %s irq (%d)\n", name, err);
			kfree(irq_client);
			goto out_unlock;
		}
		notif->gpio_private = irq_client;
	}
	notif->notify = notify;
	notif->data = data;

	err = 0;
 out_unlock:
	mutex_unlock(&notif->mutex);
	return err;
}