C++ (Cpp) msi_wmi_input_setup Examples

Example #1

File: msi-wmi.c Project: AlexShiLucky/linux

static int __init msi_wmi_init(void)
{
	int err;
	int i;

	for (i = 0; i < ARRAY_SIZE(event_wmis); i++) {
		if (!wmi_has_guid(event_wmis[i].guid))
			continue;

		err = msi_wmi_input_setup();
		if (err) {
			pr_err("Unable to setup input device\n");
			return err;
		}

		err = wmi_install_notify_handler(event_wmis[i].guid,
			msi_wmi_notify, NULL);
		if (ACPI_FAILURE(err)) {
			pr_err("Unable to setup WMI notify handler\n");
			goto err_free_input;
		}

		pr_debug("Event handler installed\n");
		event_wmi = &event_wmis[i];
		break;
	}

	if (wmi_has_guid(MSIWMI_BIOS_GUID) &&
	    acpi_video_get_backlight_type() == acpi_backlight_vendor) {
		err = msi_wmi_backlight_setup();
		if (err) {
			pr_err("Unable to setup backlight device\n");
			goto err_uninstall_handler;
		}
		pr_debug("Backlight device created\n");
	}

	if (!event_wmi && !backlight) {
		pr_err("This machine doesn't have neither MSI-hotkeys nor backlight through WMI\n");
		return -ENODEV;
	}

	return 0;

err_uninstall_handler:
	if (event_wmi)
		wmi_remove_notify_handler(event_wmi->guid);
err_free_input:
	if (event_wmi)
		input_unregister_device(msi_wmi_input_dev);
	return err;
}

Example #2

File: msi-wmi.c Project: CSCLOG/beaglebone

static int __init msi_wmi_init(void)
{
	int err;

	if (!wmi_has_guid(MSIWMI_EVENT_GUID)) {
		pr_err("This machine doesn't have MSI-hotkeys through WMI\n");
		return -ENODEV;
	}
	err = wmi_install_notify_handler(MSIWMI_EVENT_GUID,
			msi_wmi_notify, NULL);
	if (ACPI_FAILURE(err))
		return -EINVAL;

	err = msi_wmi_input_setup();
	if (err)
		goto err_uninstall_notifier;

	if (!acpi_video_backlight_support()) {
		struct backlight_properties props;
		memset(&props, 0, sizeof(struct backlight_properties));
		props.type = BACKLIGHT_PLATFORM;
		props.max_brightness = ARRAY_SIZE(backlight_map) - 1;
		backlight = backlight_device_register(DRV_NAME, NULL, NULL,
						      &msi_backlight_ops,
						      &props);
		if (IS_ERR(backlight)) {
			err = PTR_ERR(backlight);
			goto err_free_input;
		}

		err = bl_get(NULL);
		if (err < 0)
			goto err_free_backlight;

		backlight->props.brightness = err;
	}
	pr_debug("Event handler installed\n");

	return 0;

err_free_backlight:
	backlight_device_unregister(backlight);
err_free_input:
	sparse_keymap_free(msi_wmi_input_dev);
	input_unregister_device(msi_wmi_input_dev);
err_uninstall_notifier:
	wmi_remove_notify_handler(MSIWMI_EVENT_GUID);
	return err;
}

Example #3

static int __init msi_wmi_init(void)
{
	int err;

	if (!wmi_has_guid(MSIWMI_EVENT_GUID)) {
		printk(KERN_ERR
		       "This machine doesn't have MSI-hotkeys through WMI\n");
		return -ENODEV;
	}
	err = wmi_install_notify_handler(MSIWMI_EVENT_GUID,
			msi_wmi_notify, NULL);
	if (err)
		return -EINVAL;

	err = msi_wmi_input_setup();
	if (err)
		goto err_uninstall_notifier;

	if (!acpi_video_backlight_support()) {
		backlight = backlight_device_register(DRV_NAME,
				NULL, NULL, &msi_backlight_ops);
		if (IS_ERR(backlight))
			goto err_free_input;

		backlight->props.max_brightness = ARRAY_SIZE(backlight_map) - 1;
		err = bl_get(NULL);
		if (err < 0)
			goto err_free_backlight;

		backlight->props.brightness = err;
	}
	dprintk("Event handler installed\n");

	return 0;

err_free_backlight:
	backlight_device_unregister(backlight);
err_free_input:
	input_unregister_device(msi_wmi_input_dev);
err_uninstall_notifier:
	wmi_remove_notify_handler(MSIWMI_EVENT_GUID);
	return err;
}