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C++ devm_input_allocate_device函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中devm_input_allocate_device函数的典型用法代码示例。如果您正苦于以下问题：C++ devm_input_allocate_device函数的具体用法？C++ devm_input_allocate_device怎么用？C++ devm_input_allocate_device使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了devm_input_allocate_device函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: vbg_create_input_device

/**
 * Creates the kernel input device.
 *
 * Return: 0 on success, negated errno on failure.
 */
static int vbg_create_input_device(struct vbg_dev *gdev)
{
	struct input_dev *input;

	input = devm_input_allocate_device(gdev->dev);
	if (!input)
		return -ENOMEM;

	input->id.bustype = BUS_PCI;
	input->id.vendor = VBOX_VENDORID;
	input->id.product = VMMDEV_DEVICEID;
	input->open = vbg_input_open;
	input->close = vbg_input_close;
	input->dev.parent = gdev->dev;
	input->name = "VirtualBox mouse integration";

	input_set_abs_params(input, ABS_X, VMMDEV_MOUSE_RANGE_MIN,
			     VMMDEV_MOUSE_RANGE_MAX, 0, 0);
	input_set_abs_params(input, ABS_Y, VMMDEV_MOUSE_RANGE_MIN,
			     VMMDEV_MOUSE_RANGE_MAX, 0, 0);
	input_set_capability(input, EV_KEY, BTN_MOUSE);
	input_set_drvdata(input, gdev);

	gdev->input = input;

	return input_register_device(gdev->input);
}
开发者ID:ReneNyffenegger，项目名称:linux，代码行数:32，代码来源:vboxguest_linux.c


示例2: pimhyp3_request_input_dev

/**
 * pimhyp3_request_input_dev - Allocate, populate and register the input device
 * @ts: our pimhyp3_ts_data pointer
 * Must be called during probe
 */
static int pimhyp3_request_input_dev(struct pimhyp3_ts_data *ts)
{
    int error;

    ts->input_dev = devm_input_allocate_device(&ts->client->dev);
    if (!ts->input_dev) {
        dev_err(&ts->client->dev, "Failed to allocate input device.");
        return -ENOMEM;
    }

    /* Set up device parameters */
    input_set_abs_params(ts->input_dev, ABS_MT_POSITION_X,
                 0, ts->abs_x_max, 0, 0);
    input_set_abs_params(ts->input_dev, ABS_MT_POSITION_Y,
                 0, ts->abs_y_max, 0, 0);

    input_mt_init_slots(ts->input_dev, ts->max_touch_num,
                INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED);

    ts->input_dev->name = "Cypress Capacitive TouchScreen";
    ts->input_dev->phys = "input/ts";
    ts->input_dev->id.bustype = BUS_I2C;
    ts->input_dev->id.vendor = 0x0416;
    ts->input_dev->id.product = ts->id;
    ts->input_dev->id.version = ts->version;

    error = input_register_device(ts->input_dev);
    if (error) {
        dev_err(&ts->client->dev,
        "Failed to register input device: %d", error);
    return error;
    }

    return 0;
}
开发者ID:procount，项目名称:pinn，代码行数:40，代码来源:pimhyp3.c


示例3: retu_pwrbutton_probe

static int retu_pwrbutton_probe(struct platform_device *pdev)
{
	struct retu_dev *rdev = dev_get_drvdata(pdev->dev.parent);
	struct input_dev *idev;
	int irq;
	int error;

	irq = platform_get_irq(pdev, 0);
	if (irq < 0)
		return irq;

	idev = devm_input_allocate_device(&pdev->dev);
	if (!idev)
		return -ENOMEM;

	idev->name = "retu-pwrbutton";
	idev->dev.parent = &pdev->dev;

	input_set_capability(idev, EV_KEY, KEY_POWER);
	input_set_drvdata(idev, rdev);

	error = devm_request_threaded_irq(&pdev->dev, irq,
					  NULL, retu_pwrbutton_irq, 0,
					  "retu-pwrbutton", idev);
	if (error)
		return error;

	error = input_register_device(idev);
	if (error)
		return error;

	return 0;
}
开发者ID:3null，项目名称:linux，代码行数:33，代码来源:retu-pwrbutton.c


示例4: chtdc_ti_pwrbtn_probe

static int chtdc_ti_pwrbtn_probe(struct platform_device *pdev)
{
	struct device *dev = &pdev->dev;
	struct intel_soc_pmic *pmic = dev_get_drvdata(dev->parent);
	struct input_dev *input;
	int irq, err;

	irq = platform_get_irq(pdev, 0);
	if (irq < 0)
		return irq;
	input = devm_input_allocate_device(dev);
	if (!input)
		return -ENOMEM;
	input->name = pdev->name;
	input->phys = "power-button/input0";
	input->id.bustype = BUS_HOST;
	input_set_capability(input, EV_KEY, KEY_POWER);
	err = input_register_device(input);
	if (err)
		return err;

	dev_set_drvdata(dev, pmic->regmap);

	err = devm_request_threaded_irq(dev, irq, NULL,
					chtdc_ti_pwrbtn_interrupt,
					0, KBUILD_MODNAME, input);
	if (err)
		return err;

	device_init_wakeup(dev, true);
	dev_pm_set_wake_irq(dev, irq);
	return 0;
}
开发者ID:Lyude，项目名称:linux，代码行数:33，代码来源:intel_chtdc_ti_pwrbtn.c


示例5: silead_ts_request_input_dev

static int silead_ts_request_input_dev(struct silead_ts_data *data)
{
	struct device *dev = &data->client->dev;
	int error;

	data->input = devm_input_allocate_device(dev);
	if (!data->input) {
		dev_err(dev,
			"Failed to allocate input device\n");
		return -ENOMEM;
	}

	input_set_abs_params(data->input, ABS_MT_POSITION_X, 0, 4095, 0, 0);
	input_set_abs_params(data->input, ABS_MT_POSITION_Y, 0, 4095, 0, 0);
	touchscreen_parse_properties(data->input, true, &data->prop);

	input_mt_init_slots(data->input, data->max_fingers,
			    INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED |
			    INPUT_MT_TRACK);

	if (device_property_read_bool(dev, "silead,home-button"))
		input_set_capability(data->input, EV_KEY, KEY_LEFTMETA);

	data->input->name = SILEAD_TS_NAME;
	data->input->phys = "input/ts";
	data->input->id.bustype = BUS_I2C;

	error = input_register_device(data->input);
	if (error) {
		dev_err(dev, "Failed to register input device: %d\n", error);
		return error;
	}

	return 0;
}
开发者ID:lumag，项目名称:linux，代码行数:35，代码来源:silead.c


示例6: hall_input_init

static int hall_input_init(struct platform_device *pdev,
		struct hall_data *data)
{
	int err = -1;

	data->hall_dev = devm_input_allocate_device(&pdev->dev);
	if (!data->hall_dev) {
		dev_err(&data->hall_dev->dev,
				"input device allocation failed\n");
		return -EINVAL;
	}
	data->hall_dev->name = LID_DEV_NAME;
	data->hall_dev->phys = HALL_INPUT;
	__set_bit(EV_SW, data->hall_dev->evbit);
	__set_bit(SW_LID, data->hall_dev->swbit);

	err = input_register_device(data->hall_dev);
	if (err < 0) {
		dev_err(&data->hall_dev->dev,
				"unable to register input device %s\n",
				LID_DEV_NAME);
		return err;
	}

	return 0;
}
开发者ID:DestructoSphere，项目名称:android_kernel_huawei_msm8909，代码行数:26，代码来源:hall_sensor.c


示例7: gpio_vibrator_probe

static int gpio_vibrator_probe(struct platform_device *pdev)
{
	struct gpio_vibrator *vibrator;
	int err;

	vibrator = devm_kzalloc(&pdev->dev, sizeof(*vibrator), GFP_KERNEL);
	if (!vibrator)
		return -ENOMEM;

	vibrator->input = devm_input_allocate_device(&pdev->dev);
	if (!vibrator->input)
		return -ENOMEM;

	vibrator->vcc = devm_regulator_get(&pdev->dev, "vcc");
	err = PTR_ERR_OR_ZERO(vibrator->vcc);
	if (err) {
		if (err != -EPROBE_DEFER)
			dev_err(&pdev->dev, "Failed to request regulator: %d\n",
				err);
		return err;
	}

	vibrator->gpio = devm_gpiod_get(&pdev->dev, "enable", GPIOD_OUT_LOW);
	err = PTR_ERR_OR_ZERO(vibrator->gpio);
	if (err) {
		if (err != -EPROBE_DEFER)
			dev_err(&pdev->dev, "Failed to request main gpio: %d\n",
				err);
		return err;
	}

	INIT_WORK(&vibrator->play_work, gpio_vibrator_play_work);

	vibrator->input->name = "gpio-vibrator";
	vibrator->input->id.bustype = BUS_HOST;
	vibrator->input->close = gpio_vibrator_close;

	input_set_drvdata(vibrator->input, vibrator);
	input_set_capability(vibrator->input, EV_FF, FF_RUMBLE);

	err = input_ff_create_memless(vibrator->input, NULL,
				      gpio_vibrator_play_effect);
	if (err) {
		dev_err(&pdev->dev, "Couldn't create FF dev: %d\n", err);
		return err;
	}

	err = input_register_device(vibrator->input);
	if (err) {
		dev_err(&pdev->dev, "Couldn't register input dev: %d\n", err);
		return err;
	}

	platform_set_drvdata(pdev, vibrator);

	return 0;
}
开发者ID:avagin，项目名称:linux，代码行数:57，代码来源:gpio-vibra.c


示例8: pm8xxx_vib_probe

static int pm8xxx_vib_probe(struct platform_device *pdev)
{
	struct pm8xxx_vib *vib;
	struct input_dev *input_dev;
	int error;
	unsigned int val;

	vib = devm_kzalloc(&pdev->dev, sizeof(*vib), GFP_KERNEL);
	if (!vib)
		return -ENOMEM;

	vib->regmap = dev_get_regmap(pdev->dev.parent, NULL);
	if (!vib->regmap)
		return -ENODEV;

	input_dev = devm_input_allocate_device(&pdev->dev);
	if (!input_dev)
		return -ENOMEM;

	INIT_WORK(&vib->work, pm8xxx_work_handler);
	vib->vib_input_dev = input_dev;

	/* operate in manual mode */
	error = regmap_read(vib->regmap, VIB_DRV, &val);
	if (error < 0)
		return error;

	val &= ~VIB_DRV_EN_MANUAL_MASK;
	error = regmap_write(vib->regmap, VIB_DRV, val);
	if (error < 0)
		return error;

	vib->reg_vib_drv = val;

	input_dev->name = "pm8xxx_vib_ffmemless";
	input_dev->id.version = 1;
	input_dev->close = pm8xxx_vib_close;
	input_set_drvdata(input_dev, vib);
	input_set_capability(vib->vib_input_dev, EV_FF, FF_RUMBLE);

	error = input_ff_create_memless(input_dev, NULL,
					pm8xxx_vib_play_effect);
	if (error) {
		dev_err(&pdev->dev,
			"couldn't register vibrator as FF device\n");
		return error;
	}

	error = input_register_device(input_dev);
	if (error) {
		dev_err(&pdev->dev, "couldn't register input device\n");
		return error;
	}

	platform_set_drvdata(pdev, vib);
	return 0;
}
开发者ID:3null，项目名称:linux，代码行数:57，代码来源:pm8xxx-vibrator.c


示例9: twl4030_vibra_probe

static int twl4030_vibra_probe(struct platform_device *pdev)
{
	struct twl4030_vibra_data *pdata = dev_get_platdata(&pdev->dev);
	struct device_node *twl4030_core_node = pdev->dev.parent->of_node;
	struct vibra_info *info;
	int ret;

	if (!pdata && !twl4030_core_node) {
		dev_dbg(&pdev->dev, "platform_data not available\n");
		return -EINVAL;
	}

	info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
	if (!info)
		return -ENOMEM;

	info->dev = &pdev->dev;
	info->coexist = twl4030_vibra_check_coexist(pdata, twl4030_core_node);
	INIT_WORK(&info->play_work, vibra_play_work);

	info->input_dev = devm_input_allocate_device(&pdev->dev);
	if (info->input_dev == NULL) {
		dev_err(&pdev->dev, "couldn't allocate input device\n");
		return -ENOMEM;
	}

	input_set_drvdata(info->input_dev, info);

	info->input_dev->name = "twl4030:vibrator";
	info->input_dev->id.version = 1;
	info->input_dev->dev.parent = pdev->dev.parent;
	info->input_dev->close = twl4030_vibra_close;
	__set_bit(FF_RUMBLE, info->input_dev->ffbit);

	ret = input_ff_create_memless(info->input_dev, NULL, vibra_play);
	if (ret < 0) {
		dev_dbg(&pdev->dev, "couldn't register vibrator to FF\n");
		return ret;
	}

	ret = input_register_device(info->input_dev);
	if (ret < 0) {
		dev_dbg(&pdev->dev, "couldn't register input device\n");
		goto err_iff;
	}

	vibra_disable_leds();

	platform_set_drvdata(pdev, info);
	return 0;

err_iff:
	input_ff_destroy(info->input_dev);
	return ret;
}
开发者ID:168519，项目名称:linux，代码行数:55，代码来源:twl4030-vibra.c


示例10: cht_pwrbtn_probe

static int
cht_pwrbtn_probe(struct platform_device *pdev)
{
	int ret;
	struct device *dev = &pdev->dev;
	struct input_dev *input;

	ret = devm_gpio_request_one(dev, CHT_PWRBTN_GPIO, GPIOF_DIR_IN | GPIOF_ACTIVE_LOW, CHT_PWRBTN_NAME);

	if (ret) {
		dev_err(dev, "Failed to request GPIO %d, error %d\n", CHT_PWRBTN_GPIO, ret);
		return ret;
	}

	input = devm_input_allocate_device(dev);

	if (!input) {
		dev_err(dev, "Failed to allocate input device\n");
		return -ENOMEM;
	}

	input->name = CHT_PWRBTN_NAME;
	input->evbit[0] = BIT_MASK(EV_KEY);
	input_set_capability(input, EV_KEY, KEY_POWER);

	ret = gpio_to_irq(CHT_PWRBTN_GPIO);

	if (ret < 0) {
		dev_err(dev, "Unable to get irq number for GPIO %d, error %d\n", CHT_PWRBTN_GPIO, ret);
		return ret;
	}

	ret = devm_request_irq(dev, ret, cht_pwrbtn_irq, (IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING), CHT_PWRBTN_NAME, input);

	if (ret) {
		dev_err(dev, "Unable to request irq, error: %d\n", ret);
		return ret;
	}

	ret = input_register_device(input);

	if (ret) {
		dev_err(dev, "Unable to register input device, error: %d\n", ret);
		return ret;
	}

	platform_set_drvdata(pdev, input);
	device_init_wakeup(&pdev->dev, 1);

	dev_info(dev, "Driver successfully loaded");
	return 0;
}
开发者ID:gregdel，项目名称:overthebox-feeds，代码行数:52，代码来源:cherrytrail-gpio-powerbutton.c


示例11: jornada720_kbd_probe

static int jornada720_kbd_probe(struct platform_device *pdev)
{
	struct jornadakbd *jornadakbd;
	struct input_dev *input_dev;
	int i, err, irq;

	irq = platform_get_irq(pdev, 0);
	if (irq <= 0)
		return irq < 0 ? irq : -EINVAL;

	jornadakbd = devm_kzalloc(&pdev->dev, sizeof(*jornadakbd), GFP_KERNEL);
	input_dev = devm_input_allocate_device(&pdev->dev);
	if (!jornadakbd || !input_dev)
		return -ENOMEM;

	platform_set_drvdata(pdev, jornadakbd);

	memcpy(jornadakbd->keymap, jornada_std_keymap,
		sizeof(jornada_std_keymap));
	jornadakbd->input = input_dev;

	input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
	input_dev->name = "HP Jornada 720 keyboard";
	input_dev->phys = "jornadakbd/input0";
	input_dev->keycode = jornadakbd->keymap;
	input_dev->keycodesize = sizeof(unsigned short);
	input_dev->keycodemax = ARRAY_SIZE(jornada_std_keymap);
	input_dev->id.bustype = BUS_HOST;
	input_dev->dev.parent = &pdev->dev;

	for (i = 0; i < ARRAY_SIZE(jornadakbd->keymap); i++)
		__set_bit(jornadakbd->keymap[i], input_dev->keybit);
	__clear_bit(KEY_RESERVED, input_dev->keybit);

	input_set_capability(input_dev, EV_MSC, MSC_SCAN);

	err = devm_request_irq(&pdev->dev, irq, jornada720_kbd_interrupt,
			       IRQF_TRIGGER_FALLING, "jornadakbd", pdev);
	if (err) {
		dev_err(&pdev->dev, "unable to grab IRQ%d: %d\n", irq, err);
		return err;
	}

	return input_register_device(jornadakbd->input);
};
开发者ID:AlexShiLucky，项目名称:linux，代码行数:45，代码来源:jornada720_kbd.c


示例12: intel_hid_input_setup

static int intel_hid_input_setup(struct platform_device *device)
{
	struct intel_hid_priv *priv = dev_get_drvdata(&device->dev);
	int ret;

	priv->input_dev = devm_input_allocate_device(&device->dev);
	if (!priv->input_dev)
		return -ENOMEM;

	ret = sparse_keymap_setup(priv->input_dev, intel_hid_keymap, NULL);
	if (ret)
		return ret;

	priv->input_dev->name = "Intel HID events";
	priv->input_dev->id.bustype = BUS_HOST;

	return input_register_device(priv->input_dev);
}
开发者ID:asmalldev，项目名称:linux，代码行数:18，代码来源:intel-hid.c


示例13: intel_vbtn_input_setup

static int intel_vbtn_input_setup(struct platform_device *device)
{
	struct intel_vbtn_priv *priv = dev_get_drvdata(&device->dev);
	int ret;

	priv->input_dev = devm_input_allocate_device(&device->dev);
	if (!priv->input_dev)
		return -ENOMEM;

	ret = sparse_keymap_setup(priv->input_dev, intel_vbtn_keymap, NULL);
	if (ret)
		return ret;

	priv->input_dev->dev.parent = &device->dev;
	priv->input_dev->name = "Intel Virtual Button driver";
	priv->input_dev->id.bustype = BUS_HOST;

	return input_register_device(priv->input_dev);
}
开发者ID:AlexShiLucky，项目名称:linux，代码行数:19，代码来源:intel-vbtn.c


示例14: intel_button_array_input_setup

static int intel_button_array_input_setup(struct platform_device *device)
{
	struct intel_hid_priv *priv = dev_get_drvdata(&device->dev);
	int ret;

	/* Setup input device for 5 button array */
	priv->array = devm_input_allocate_device(&device->dev);
	if (!priv->array)
		return -ENOMEM;

	ret = sparse_keymap_setup(priv->array, intel_array_keymap, NULL);
	if (ret)
		return ret;

	priv->array->name = "Intel HID 5 button array";
	priv->array->id.bustype = BUS_HOST;

	return input_register_device(priv->array);
}
开发者ID:asmalldev，项目名称:linux，代码行数:19，代码来源:intel-hid.c


示例15: silead_ts_request_input_dev

static int silead_ts_request_input_dev(struct silead_ts_data *data)
{
	struct device *dev = &data->client->dev;
	int ret;

	data->input_dev = devm_input_allocate_device(dev);
	if (!data->input_dev) {
		dev_err(dev,
			"Failed to allocate input device\n");
		return -ENOMEM;
	}

	data->input_dev->evbit[0] = BIT_MASK(EV_SYN) |
				    BIT_MASK(EV_KEY) |
				    BIT_MASK(EV_ABS);

	input_set_abs_params(data->input_dev, ABS_MT_POSITION_X, 0,
			     data->x_max, 0, 0);
	input_set_abs_params(data->input_dev, ABS_MT_POSITION_Y, 0,
			     data->y_max, 0, 0);
	input_set_abs_params(data->input_dev, ABS_MT_TOUCH_MAJOR, 0,
			     255, 0, 0);
	input_set_abs_params(data->input_dev, ABS_MT_WIDTH_MAJOR, 0,
			     200, 0, 0);

	input_mt_init_slots(data->input_dev, data->max_fingers,
			    INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED);

	data->input_dev->name = SILEAD_TS_NAME;
	data->input_dev->phys = "input/ts";
	data->input_dev->id.bustype = BUS_I2C;

	ret = input_register_device(data->input_dev);
	if (ret) {
		dev_err(dev, "Failed to register input device: %d\n", ret);
		return ret;
	}

	return 0;
}
开发者ID:tinocyngn，项目名称:sofia-kernel，代码行数:40，代码来源:silead.c


示例16: goodix_request_input_dev

/**
 * goodix_request_input_dev - Allocate, populate and register the input device
 *
 * @ts: our goodix_ts_data pointer
 *
 * Must be called during probe
 */
static int goodix_request_input_dev(struct goodix_ts_data *ts)
{
	int error;

	ts->input_dev = devm_input_allocate_device(&ts->client->dev);
	if (!ts->input_dev) {
		dev_err(&ts->client->dev, "Failed to allocate input device.");
		return -ENOMEM;
	}

	ts->input_dev->evbit[0] = BIT_MASK(EV_SYN) |
				  BIT_MASK(EV_KEY) |
				  BIT_MASK(EV_ABS);

	input_set_abs_params(ts->input_dev, ABS_MT_POSITION_X, 0,
				ts->abs_x_max, 0, 0);
	input_set_abs_params(ts->input_dev, ABS_MT_POSITION_Y, 0,
				ts->abs_y_max, 0, 0);
	input_set_abs_params(ts->input_dev, ABS_MT_WIDTH_MAJOR, 0, 255, 0, 0);
	input_set_abs_params(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);

	input_mt_init_slots(ts->input_dev, ts->max_touch_num,
			    INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED);

	ts->input_dev->name = "Goodix Capacitive TouchScreen";
	ts->input_dev->phys = "input/ts";
	ts->input_dev->id.bustype = BUS_I2C;
	ts->input_dev->id.vendor = 0x0416;
	ts->input_dev->id.product = 0x1001;
	ts->input_dev->id.version = 10427;

	error = input_register_device(ts->input_dev);
	if (error) {
		dev_err(&ts->client->dev,
			"Failed to register input device: %d", error);
		return error;
	}

	return 0;
}
开发者ID:19Dan01，项目名称:linux，代码行数:47，代码来源:goodix.c


示例17: gpio_beeper_probe

static int gpio_beeper_probe(struct platform_device *pdev)
{
	struct gpio_beeper *beep;
	struct input_dev *input;
	int err;

	beep = devm_kzalloc(&pdev->dev, sizeof(*beep), GFP_KERNEL);
	if (!beep)
		return -ENOMEM;

	beep->desc = devm_gpiod_get(&pdev->dev, NULL);
	if (IS_ERR(beep->desc))
		return PTR_ERR(beep->desc);

	input = devm_input_allocate_device(&pdev->dev);
	if (!input)
		return -ENOMEM;

	INIT_WORK(&beep->work, gpio_beeper_work);

	input->name		= pdev->name;
	input->id.bustype	= BUS_HOST;
	input->id.vendor	= 0x0001;
	input->id.product	= 0x0001;
	input->id.version	= 0x0100;
	input->close		= gpio_beeper_close;
	input->event		= gpio_beeper_event;

	input_set_capability(input, EV_SND, SND_BELL);

	err = gpiod_direction_output(beep->desc, 0);
	if (err)
		return err;

	input_set_drvdata(input, beep);

	return input_register_device(input);
}
开发者ID:3null，项目名称:linux，代码行数:38，代码来源:gpio-beeper.c


示例18: twl4030_pwrbutton_probe

static int twl4030_pwrbutton_probe(struct platform_device *pdev)
{
	struct input_dev *pwr;
	int irq = platform_get_irq(pdev, 0);
	int err;

	pwr = devm_input_allocate_device(&pdev->dev);
	if (!pwr) {
		dev_err(&pdev->dev, "Can't allocate power button\n");
		return -ENOMEM;
	}

	pwr->evbit[0] = BIT_MASK(EV_KEY);
	pwr->keybit[BIT_WORD(KEY_POWER)] = BIT_MASK(KEY_POWER);
	pwr->name = "twl4030_pwrbutton";
	pwr->phys = "twl4030_pwrbutton/input0";
	pwr->dev.parent = &pdev->dev;

	err = devm_request_threaded_irq(&pwr->dev, irq, NULL, powerbutton_irq,
			IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING |
			IRQF_ONESHOT,
			"twl4030_pwrbutton", pwr);
	if (err < 0) {
		dev_err(&pdev->dev, "Can't get IRQ for pwrbutton: %d\n", err);
		return err;
	}

	err = input_register_device(pwr);
	if (err) {
		dev_err(&pdev->dev, "Can't register power button: %d\n", err);
		return err;
	}

	platform_set_drvdata(pdev, pwr);
	device_init_wakeup(&pdev->dev, true);

	return 0;
}
开发者ID:020gzh，项目名称:linux，代码行数:38，代码来源:twl4030-pwrbutton.c


示例19: devm_input_allocate_device

static struct input_dev *allocate_and_setup(struct hid_device *hdev,
		const char *name)
{
	struct input_dev *input_dev;

	input_dev = devm_input_allocate_device(&hdev->dev);
	if (!input_dev)
		return NULL;

	input_dev->name = name;
	input_dev->phys = hdev->phys;
	input_dev->dev.parent = &hdev->dev;
	input_dev->open = udraw_open;
	input_dev->close = udraw_close;
	input_dev->uniq = hdev->uniq;
	input_dev->id.bustype = hdev->bus;
	input_dev->id.vendor  = hdev->vendor;
	input_dev->id.product = hdev->product;
	input_dev->id.version = hdev->version;
	input_set_drvdata(input_dev, hid_get_drvdata(hdev));

	return input_dev;
}
开发者ID:AlexShiLucky，项目名称:linux，代码行数:23，代码来源:hid-udraw-ps3.c


示例20: cs42l52_init_beep

static void cs42l52_init_beep(struct snd_soc_codec *codec)
{
	struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec);
	int ret;

	cs42l52->beep = devm_input_allocate_device(codec->dev);
	if (!cs42l52->beep) {
		dev_err(codec->dev, "Failed to allocate beep device\n");
		return;
	}

	INIT_WORK(&cs42l52->beep_work, cs42l52_beep_work);
	cs42l52->beep_rate = 0;

	cs42l52->beep->name = "CS42L52 Beep Generator";
	cs42l52->beep->phys = dev_name(codec->dev);
	cs42l52->beep->id.bustype = BUS_I2C;

	cs42l52->beep->evbit[0] = BIT_MASK(EV_SND);
	cs42l52->beep->sndbit[0] = BIT_MASK(SND_BELL) | BIT_MASK(SND_TONE);
	cs42l52->beep->event = cs42l52_beep_event;
	cs42l52->beep->dev.parent = codec->dev;
	input_set_drvdata(cs42l52->beep, codec);

	ret = input_register_device(cs42l52->beep);
	if (ret != 0) {
		cs42l52->beep = NULL;
		dev_err(codec->dev, "Failed to register beep device\n");
	}

	ret = device_create_file(codec->dev, &dev_attr_beep);
	if (ret != 0) {
		dev_err(codec->dev, "Failed to create keyclick file: %d\n",
			ret);
	}
}
开发者ID:MaxChina，项目名称:linux，代码行数:36，代码来源:cs42l52.c



注：本文中的devm_input_allocate_device函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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