Ejemplo n.º 1
0
static int __devinit gpio_keys_probe(struct platform_device *pdev)
{
	const struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
	struct gpio_keys_drvdata *ddata;
	struct gpio_keys_button *button = NULL;
	struct gpio_button_data *bdata = NULL;
	struct device *dev = &pdev->dev;
	struct gpio_keys_platform_data alt_pdata;
	struct input_dev *input;
	int i, error;
	int wakeup = 0;
#ifdef CONFIG_SENSORS_HALL
	int ret;
	struct device *sec_key;
#endif

	if (!pdata) {
		error = gpio_keys_get_devtree_pdata(dev, &alt_pdata);
		if (error)
			return error;
		pdata = &alt_pdata;
	}

	ddata = kzalloc(sizeof(struct gpio_keys_drvdata) +
			pdata->nbuttons * sizeof(struct gpio_button_data),
			GFP_KERNEL);
	input = input_allocate_device();
	if (!ddata || !input) {
		dev_err(dev, "failed to allocate state\n");
		error = -ENOMEM;
		goto fail1;
	}

	ddata->input = input;
	ddata->n_buttons = pdata->nbuttons;
	ddata->enable = pdata->enable;
	ddata->disable = pdata->disable;
#ifdef CONFIG_SENSORS_HALL

#if defined (CONFIG_SEC_MILLET_PROJECT) || defined (CONFIG_SEC_BERLUTI_PROJECT)

	ret = gpio_request(pdata->gpio_flip_cover,"HALL");
	if(ret)
		printk(KERN_CRIT "[HALL IC] gpio Request FAIL\n");
	else {
		gpio_tlmm_config(GPIO_CFG(pdata->gpio_flip_cover,0, GPIO_CFG_INPUT, GPIO_CFG_NO_PULL,GPIO_CFG_2MA),GPIO_CFG_DISABLE);
	}
#endif
	ddata->gpio_flip_cover = pdata->gpio_flip_cover;
	ddata->irq_flip_cover = gpio_to_irq(ddata->gpio_flip_cover);
	wake_lock_init(&ddata->flip_wake_lock, WAKE_LOCK_SUSPEND,
		"flip_wake_lock");
#endif
	mutex_init(&ddata->disable_lock);

	platform_set_drvdata(pdev, ddata);
	input_set_drvdata(input, ddata);

	input->name = pdata->name ? : pdev->name;
	input->phys = "gpio-keys/input0";
	input->dev.parent = &pdev->dev;
#ifdef CONFIG_SENSORS_HALL
	if(ddata->gpio_flip_cover != 0) {
		input->evbit[0] |= BIT_MASK(EV_SW);
		input_set_capability(input, EV_SW, SW_FLIP);
	}
#endif
	input->open = gpio_keys_open;
	input->close = gpio_keys_close;

	input->id.bustype = BUS_HOST;
	input->id.vendor = 0x0001;
	input->id.product = 0x0001;
	input->id.version = 0x0100;

	/* Enable auto repeat feature of Linux input subsystem */
	if (pdata->rep)
		__set_bit(EV_REP, input->evbit);

	for (i = 0; i < pdata->nbuttons; i++) {
		button = &pdata->buttons[i];
		bdata = &ddata->data[i];

		error = gpio_keys_setup_key(pdev, input, bdata, button);
		if (error)
			goto fail2;

		if (button->wakeup)
			wakeup = 1;
	}

	error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group);
	if (error) {
		dev_err(dev, "Unable to export keys/switches, error: %d\n",
			error);
		goto fail2;
	}

	error = input_register_device(input);
	if (error) {
		dev_err(dev, "Unable to register input device, error: %d\n",
			error);
		goto fail3;
	}

	/* get current state of buttons that are connected to GPIOs */
	for (i = 0; i < pdata->nbuttons; i++) {
		bdata = &ddata->data[i];
		if (gpio_is_valid(bdata->button->gpio))
			gpio_keys_gpio_report_event(bdata);
	}
	input_sync(input);

#ifdef CONFIG_SENSORS_HALL
	sec_key = device_create(sec_class, NULL, 0, NULL, "sec_key");
	if (IS_ERR(sec_key))
		pr_err("Failed to create device(sec_key)!\n");

	ret = device_create_file(sec_key, &dev_attr_sec_key_pressed);
	if (ret) {
		pr_err("Failed to create device file in sysfs entries(%s)!\n",
				dev_attr_sec_key_pressed.attr.name);
	}

#if defined(CONFIG_SENSORS_HALL)
	if(ddata->gpio_flip_cover != 0) {
		ret = device_create_file(sec_key, &dev_attr_hall_detect);
		if (ret < 0) {
			pr_err("Failed to create device file(%s)!, error: %d\n",
				dev_attr_hall_detect.attr.name, ret);
		}
	}
#if defined (CONFIG_SEC_MILLET_PROJECT) || defined (CONFIG_SEC_BERLUTI_PROJECT)
	if (!lvs1_1p8) {
		lvs1_1p8 = regulator_get(dev, "8226_lvs1");
		if(!lvs1_1p8)
			printk(KERN_CRIT "%s: regulator_get for 8226_lvs1 failed\n", __func__);
		else {
			ret = regulator_enable(lvs1_1p8);
			if (ret){
				regulator_put(lvs1_1p8);
				printk(KERN_CRIT "%s: Failed to enable regulator lvs1_1p8.\n",__func__);
			}
		}
	}
#endif

#endif

	ret = device_create_file(sec_key, &dev_attr_wakeup_keys);
	if (ret < 0) {
		pr_err("Failed to create device file(%s), error: %d\n",
				dev_attr_wakeup_keys.attr.name, ret);
	}
	dev_set_drvdata(sec_key, ddata);
#endif
	device_init_wakeup(&pdev->dev, wakeup);

	return 0;

 fail3:
	sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
 fail2:
	while (--i >= 0)
		gpio_remove_key(&ddata->data[i]);

	platform_set_drvdata(pdev, NULL);
#ifdef CONFIG_SENSORS_HALL
	wake_lock_destroy(&ddata->flip_wake_lock);
#endif
 fail1:
	input_free_device(input);
	kfree(ddata);
	/* If we have no platform_data, we allocated buttons dynamically. */
	if (!pdev->dev.platform_data)
		kfree(pdata->buttons);

	return error;
}
Ejemplo n.º 2
0
static int __devinit gpio_keys_probe(struct platform_device *pdev)
{
	const struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
	struct gpio_keys_drvdata *ddata;
	struct device *dev = &pdev->dev;
	struct gpio_keys_platform_data alt_pdata;
	struct input_dev *input;
	int i, error;
	int wakeup = 0;

	if (!pdata) {
		error = gpio_keys_get_devtree_pdata(dev, &alt_pdata);
		if (error)
			return error;
		pdata = &alt_pdata;
	}

	ddata = kzalloc(sizeof(struct gpio_keys_drvdata) +
			pdata->nbuttons * sizeof(struct gpio_button_data),
			GFP_KERNEL);
	input = input_allocate_device();
	if (!ddata || !input) {
		dev_err(dev, "failed to allocate state\n");
		error = -ENOMEM;
		goto fail1;
	}

	ddata->input = input;
	ddata->n_buttons = pdata->nbuttons;
	ddata->enable = pdata->enable;
	ddata->disable = pdata->disable;
	mutex_init(&ddata->disable_lock);

	platform_set_drvdata(pdev, ddata);
	input_set_drvdata(input, ddata);

	input->name = pdata->name ? : pdev->name;
	input->phys = "gpio-keys/input0";
	input->dev.parent = &pdev->dev;
	input->open = gpio_keys_open;
	input->close = gpio_keys_close;

	input->id.bustype = BUS_HOST;
	input->id.vendor = 0x0001;
	input->id.product = 0x0001;
	input->id.version = 0x0100;

	/* Enable auto repeat feature of Linux input subsystem */
	if (pdata->rep)
		__set_bit(EV_REP, input->evbit);

	for (i = 0; i < pdata->nbuttons; i++) {
		const struct gpio_keys_button *button = &pdata->buttons[i];
		struct gpio_button_data *bdata = &ddata->data[i];

		error = gpio_keys_setup_key(pdev, input, bdata, button);
		if (error)
			goto fail2;

		if (button->wakeup)
			wakeup = 1;
	}

	error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group);
	if (error) {
		dev_err(dev, "Unable to export keys/switches, error: %d\n",
			error);
		goto fail2;
	}

	error = input_register_device(input);
	if (error) {
		dev_err(dev, "Unable to register input device, error: %d\n",
			error);
		goto fail3;
	}

	/* get current state of buttons that are connected to GPIOs */
	for (i = 0; i < pdata->nbuttons; i++) {
		struct gpio_button_data *bdata = &ddata->data[i];
		if (gpio_is_valid(bdata->button->gpio))
			gpio_keys_gpio_report_event(bdata);
	}
	input_sync(input);

	device_init_wakeup(&pdev->dev, wakeup);

	return 0;

 fail3:
	sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
 fail2:
	while (--i >= 0)
		gpio_remove_key(&ddata->data[i]);

	platform_set_drvdata(pdev, NULL);
 fail1:
	input_free_device(input);
	kfree(ddata);
	/* If we have no platform_data, we allocated buttons dynamically. */
	if (!pdev->dev.platform_data)
		kfree(pdata->buttons);

	return error;
}
Ejemplo n.º 3
0
static int gpio_keys_probe(struct platform_device *pdev)
{
	struct device *dev = &pdev->dev;
	const struct gpio_keys_platform_data *pdata = dev_get_platdata(dev);
	struct gpio_keys_drvdata *ddata;
	struct input_dev *input;
	size_t size;
	int i, error;
	int wakeup = 0;

	if (!pdata) {
		pdata = gpio_keys_get_devtree_pdata(dev);
		if (IS_ERR(pdata))
			return PTR_ERR(pdata);
	}

	size = sizeof(struct gpio_keys_drvdata) +
			pdata->nbuttons * sizeof(struct gpio_button_data);
	ddata = devm_kzalloc(dev, size, GFP_KERNEL);
	if (!ddata) {
		dev_err(dev, "failed to allocate state\n");
		return -ENOMEM;
	}

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

	ddata->pdata = pdata;
	ddata->input = input;
	mutex_init(&ddata->disable_lock);

	platform_set_drvdata(pdev, ddata);
	input_set_drvdata(input, ddata);

	input->name = pdata->name ? : pdev->name;
	input->phys = "gpio-keys/input0";
	input->dev.parent = &pdev->dev;
	input->open = gpio_keys_open;
	input->close = gpio_keys_close;

	input->id.bustype = BUS_HOST;
	input->id.vendor = 0x0001;
	input->id.product = 0x0001;
	input->id.version = 0x0100;

	/* Enable auto repeat feature of Linux input subsystem */
	if (pdata->rep)
		__set_bit(EV_REP, input->evbit);

	for (i = 0; i < pdata->nbuttons; i++) {
		const struct gpio_keys_button *button = &pdata->buttons[i];
		struct gpio_button_data *bdata = &ddata->data[i];

		error = gpio_keys_setup_key(pdev, input, bdata, button);
		if (error)
			return error;

		if (button->wakeup)
			wakeup = 1;
	}

	error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group);
	if (error) {
		dev_err(dev, "Unable to export keys/switches, error: %d\n",
			error);
		return error;
	}

	error = input_register_device(input);
	if (error) {
		dev_err(dev, "Unable to register input device, error: %d\n",
			error);
		goto err_remove_group;
	}

	device_init_wakeup(&pdev->dev, wakeup);

	return 0;

err_remove_group:
	sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
	return error;
}
Ejemplo n.º 4
0
static int __devinit gpio_keys_probe(struct platform_device *pdev)
{
	struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
	struct gpio_keys_drvdata *ddata;
	struct device *dev = &pdev->dev;
	struct input_dev *input;
	int i, error;
	int wakeup = 0;

	ddata = kzalloc(sizeof(struct gpio_keys_drvdata) +
			pdata->nbuttons * sizeof(struct gpio_button_data),
			GFP_KERNEL);
	input = input_allocate_device();
	if (!ddata || !input) {
		dev_err(dev, "failed to allocate state\n");
		error = -ENOMEM;
		goto fail1;
	}

	ddata->input = input;
	ddata->n_buttons = pdata->nbuttons;
	ddata->enable = pdata->enable;
	ddata->disable = pdata->disable;
	mutex_init(&ddata->disable_lock);

	platform_set_drvdata(pdev, ddata);
	input_set_drvdata(input, ddata);

	input->name = pdev->name;
	input->phys = "gpio-keys/input0";
	input->dev.parent = &pdev->dev;
	input->open = gpio_keys_open;
	input->close = gpio_keys_close;

	input->id.bustype = BUS_HOST;
	input->id.vendor = 0x0001;
	input->id.product = 0x0001;
	input->id.version = 0x0100;

	/* Enable auto repeat feature of Linux input subsystem */
	if (pdata->rep)
		__set_bit(EV_REP, input->evbit);

	for (i = 0; i < pdata->nbuttons; i++) {
		struct gpio_keys_button *button = &pdata->buttons[i];
		struct gpio_button_data *bdata = &ddata->data[i];
		unsigned int type = button->type ?: EV_KEY;

		bdata->input = input;
		bdata->button = button;

		error = gpio_keys_setup_key(pdev, bdata, button);
		if (error)
			goto fail2;

		if (button->wakeup)
			wakeup = 1;

		input_set_capability(input, type, button->code);
	}

	error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group);
	if (error) {
		dev_err(dev, "Unable to export keys/switches, error: %d\n",
			error);
		goto fail2;
	}

	error = input_register_device(input);
	if (error) {
		dev_err(dev, "Unable to register input device, error: %d\n",
			error);
		goto fail3;
	}

	/* get current state of buttons */
	for (i = 0; i < pdata->nbuttons; i++)
		gpio_keys_report_event(&ddata->data[i]);
	input_sync(input);

	device_init_wakeup(&pdev->dev, wakeup);

	return 0;

 fail3:
	sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
 fail2:
	while (--i >= 0) {
		free_irq(gpio_to_irq(pdata->buttons[i].gpio), &ddata->data[i]);
		if (ddata->data[i].timer_debounce)
			del_timer_sync(&ddata->data[i].timer);
		cancel_work_sync(&ddata->data[i].work);
		gpio_free(pdata->buttons[i].gpio);
	}

	platform_set_drvdata(pdev, NULL);
 fail1:
	input_free_device(input);
	kfree(ddata);

	return error;
}
static int __devinit gpio_keys_probe(struct platform_device *pdev)
{
	const struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
	struct gpio_keys_drvdata *ddata;
	struct device *dev = &pdev->dev;
	struct gpio_keys_platform_data alt_pdata;
	struct input_dev *input;
	int i, error;
	int wakeup = 0;

	if (!pdata) {
		error = gpio_keys_get_devtree_pdata(dev, &alt_pdata);
		if (error)
			return error;
		pdata = &alt_pdata;
	}

	ddata = kzalloc(sizeof(struct gpio_keys_drvdata) +
			pdata->nbuttons * sizeof(struct gpio_button_data),
			GFP_KERNEL);
	input = input_allocate_device();
	if (!ddata || !input) {
		dev_err(dev, "failed to allocate state\n");
		error = -ENOMEM;
		goto fail1;
	}

	ddata->input = input;
	ddata->n_buttons = pdata->nbuttons;
	ddata->enable = pdata->enable;
	ddata->disable = pdata->disable;
#ifdef CONFIG_SENSORS_HALL
	ddata->gpio_flip_cover = pdata->gpio_flip_cover;
	ddata->irq_flip_cover = gpio_to_irq(ddata->gpio_flip_cover);;

	wake_lock_init(&ddata->flip_wake_lock, WAKE_LOCK_SUSPEND,
		"flip wake lock");
#endif
	mutex_init(&ddata->disable_lock);

	platform_set_drvdata(pdev, ddata);
	input_set_drvdata(input, ddata);

	input->name = pdata->name ? : pdev->name;
	input->phys = "gpio-keys/input0";
	input->dev.parent = &pdev->dev;
#ifdef CONFIG_SENSORS_HALL
	input->evbit[0] |= BIT_MASK(EV_SW);
	input_set_capability(input, EV_SW, SW_FLIP);
#endif
	input->open = gpio_keys_open;
	input->close = gpio_keys_close;

	input->id.bustype = BUS_HOST;
	input->id.vendor = 0x0001;
	input->id.product = 0x0001;
	input->id.version = 0x0100;

	/* Enable auto repeat feature of Linux input subsystem */
	if (pdata->rep)
		__set_bit(EV_REP, input->evbit);

	for (i = 0; i < pdata->nbuttons; i++) {
		struct gpio_keys_button *button = &pdata->buttons[i];
		struct gpio_button_data *bdata = &ddata->data[i];

		error = gpio_keys_setup_key(pdev, input, bdata, button);
		if (error)
			goto fail2;

		if (button->wakeup)
			wakeup = 1;

#ifdef KEY_BOOSTER
		if (button->code == KEY_HOMEPAGE) {
			error = gpio_key_init_dvfs(bdata);
			if (error < 0) {
				dev_err(dev, "Fail get dvfs level for touch booster\n");
				goto fail2;
			}
		}
#endif
	}

	error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group);
	if (error) {
		dev_err(dev, "Unable to export keys/switches, error: %d\n",
			error);
		goto fail2;
	}

	ddata->sec_key =
	    device_create(sec_class, NULL, 0, ddata, "sec_key");
	if (IS_ERR(ddata->sec_key))
		dev_err(dev, "Failed to create sec_key device\n");

	error = sysfs_create_group(&ddata->sec_key->kobj, &sec_key_attr_group);
	if (error) {
		dev_err(dev, "Failed to create the test sysfs: %d\n",
			error);
		goto fail2;
	}

#ifdef CONFIG_SENSORS_HALL
	init_hall_ic_irq(input);
#endif
	error = input_register_device(input);
	if (error) {
		dev_err(dev, "Unable to register input device, error: %d\n",
			error);
		goto fail3;
	}

	/* get current state of buttons */
	for (i = 0; i < pdata->nbuttons; i++)
		gpio_keys_gpio_report_event(&ddata->data[i]);
	input_sync(input);

	device_init_wakeup(&pdev->dev, wakeup);

	return 0;

 fail3:
	sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
	sysfs_remove_group(&ddata->sec_key->kobj, &sec_key_attr_group);
 fail2:
	while (--i >= 0)
		gpio_remove_key(&ddata->data[i]);

	platform_set_drvdata(pdev, NULL);
#ifdef CONFIG_SENSORS_HALL
	wake_lock_destroy(&ddata->flip_wake_lock);
#endif
 fail1:
	input_free_device(input);
	kfree(ddata);
	/* If we have no platform_data, we allocated buttons dynamically. */
	if (!pdev->dev.platform_data)
		kfree(pdata->buttons);

	return error;
}
Ejemplo n.º 6
0
static int __devinit gpio_keys_probe(struct platform_device *pdev)
{
	struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
	struct gpio_keys_drvdata *ddata;
	struct device *dev = &pdev->dev;
	struct input_dev *input;
	int i, error;
	int wakeup = 0;

	ddata = kzalloc(sizeof(struct gpio_keys_drvdata) +
			pdata->nbuttons * sizeof(struct gpio_button_data),
			GFP_KERNEL);
	input = input_allocate_device();
	if (!ddata || !input) {
		dev_err(dev, "failed to allocate state\n");
		error = -ENOMEM;
		goto fail1;
	}

	ddata->input = input;
	ddata->n_buttons = pdata->nbuttons;
	ddata->enable = pdata->enable;
	ddata->disable = pdata->disable;
#ifdef CONFIG_MACH_GC1
	ddata->gpio_strobe_insert = pdata->gpio_strobe_insert;
#endif
	mutex_init(&ddata->disable_lock);

	platform_set_drvdata(pdev, ddata);
	input_set_drvdata(input, ddata);

	input->name = pdata->name ? : pdev->name;
	input->phys = "gpio-keys/input0";
	input->dev.parent = &pdev->dev;
#ifdef CONFIG_MACH_GC1
	input->evbit[0] |= BIT_MASK(EV_SW);
	input_set_capability(input, EV_SW, SW_STROBE_INSERT);
#endif

	input->open = gpio_keys_open;
	input->close = gpio_keys_close;

	input->id.bustype = BUS_HOST;
	input->id.vendor = 0x0001;
	input->id.product = 0x0001;
	input->id.version = 0x0100;

	/* Enable auto repeat feature of Linux input subsystem */
	if (pdata->rep)
		__set_bit(EV_REP, input->evbit);

	for (i = 0; i < pdata->nbuttons; i++) {
		struct gpio_keys_button *button = &pdata->buttons[i];
		struct gpio_button_data *bdata = &ddata->data[i];
		unsigned int type = button->type ?: EV_KEY;

		bdata->input = input;
		bdata->button = button;

		error = gpio_keys_setup_key(pdev, bdata, button);
		if (error)
			goto fail2;

		if (button->wakeup)
			wakeup = 1;

		input_set_capability(input, type, button->code);
		
		#ifdef CONFIG_TOUCH_WAKE
 			  set_powerkeydev(input);
 		#endif
	}

	error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group);
	if (error) {
		dev_err(dev, "Unable to export keys/switches, error: %d\n",
			error);
		goto fail2;
	}

	ddata->sec_key =
	    device_create(sec_class, NULL, 0, ddata, "sec_key");
	if (IS_ERR(ddata->sec_key))
		dev_err(dev, "Failed to create sec_key device\n");

	error = sysfs_create_group(&ddata->sec_key->kobj, &sec_key_attr_group);
	if (error) {
		dev_err(dev, "Failed to create the test sysfs: %d\n",
			error);
		goto fail2;
	}

	error = input_register_device(input);
	if (error) {
		dev_err(dev, "Unable to register input device, error: %d\n",
			error);
		goto fail3;
	}

	/* get current state of buttons */
	for (i = 0; i < pdata->nbuttons; i++)
		gpio_keys_report_event(&ddata->data[i]);
	input_sync(input);

#ifdef CONFIG_FAST_BOOT
	/*Fake power off*/
	input_set_capability(input, EV_KEY, KEY_FAKE_PWR);
	setup_timer(&fake_timer, gpio_keys_fake_off_check,
			(unsigned long)input);
	wake_lock_init(&fake_lock, WAKE_LOCK_SUSPEND, "fake_lock");
#endif
	device_init_wakeup(&pdev->dev, wakeup);

#if defined(CONFIG_MACH_KONA)
#ifdef AUTO_POWER_ON_OFF_FLAG
	init_timer(&poweroff_keypad_timer);
	poweroff_keypad_timer.function = poweroff_keypad_timer_handler;
	poweroff_keypad_timer.data = (unsigned long)&ddata->data[0];
	poweroff_keypad_timer.expires = jiffies + 40*HZ;
	add_timer(&poweroff_keypad_timer);

	printk("AUTO_POWER_ON_OFF_FLAG Test Start !!!\n");
#endif
#endif
	return 0;

 fail3:
	sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
	sysfs_remove_group(&ddata->sec_key->kobj, &sec_key_attr_group);
 fail2:
	while (--i >= 0) {
		free_irq(gpio_to_irq(pdata->buttons[i].gpio), &ddata->data[i]);
		if (ddata->data[i].timer_debounce)
			del_timer_sync(&ddata->data[i].timer);
		cancel_work_sync(&ddata->data[i].work);
		gpio_free(pdata->buttons[i].gpio);
	}

	platform_set_drvdata(pdev, NULL);
 fail1:
	input_free_device(input);
	kfree(ddata);

	return error;
}
Ejemplo n.º 7
0
static int __devinit gpio_keys_probe(struct platform_device *pdev)
{
	struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
	struct gpio_keys_drvdata *ddata;
	struct device *dev = &pdev->dev;
	struct input_dev *input;
	int i, error, ret;
	int wakeup = 0;
	struct kobject *keyboard_kobj;
	doCheck = true;

        printk("[KEY] gpio_keys_probe\n");
	ddata = kzalloc(sizeof(struct gpio_keys_drvdata) +
			pdata->nbuttons * sizeof(struct gpio_button_data),
			GFP_KERNEL);
	input = input_allocate_device();
	if (!ddata || !input) {
		dev_err(dev, "failed to allocate state\n");
		error = -ENOMEM;
		goto fail1;
	}

	ddata->input = input;
	ddata->n_buttons = pdata->nbuttons;
	ddata->enable = pdata->enable;
	ddata->disable = pdata->disable;
	mutex_init(&ddata->disable_lock);

	platform_set_drvdata(pdev, ddata);
	input_set_drvdata(input, ddata);

	input->name = pdev->name;
	input->phys = "gpio-keys/input0";
	input->dev.parent = &pdev->dev;
	input->open = gpio_keys_open;
	input->close = gpio_keys_close;

	input->id.bustype = BUS_HOST;
	input->id.vendor = 0x0001;
	input->id.product = 0x0001;
	input->id.version = 0x0100;
	
	#ifdef CONFIG_TOUCHSCREEN_SYNAPTICS_SWEEP2WAKE
	if (!strcmp(input->name, "gpio-keys")) {
		sweep2wake_setdev(input);
		printk(KERN_INFO "[sweep2wake]: set device %s\n", input->name);
	}
	#endif

	PWR_MISTOUCH_gpio = pdata->PWR_MISTOUCH_gpio;
	mistouch_gpio_normal = pdata->mistouch_gpio_normal;
	mistouch_gpio_active = pdata->mistouch_gpio_active;
	if ( PWR_MISTOUCH_gpio ) {
		gpio_free(PWR_MISTOUCH_gpio);
		ret = gpio_request(PWR_MISTOUCH_gpio, "PWR_MISTOUCH");
		if (ret < 0) {
			pr_err("[KEY]Requesting GPIO %d failes\n", PWR_MISTOUCH_gpio);
		}
		if ( mistouch_gpio_normal != NULL )
			mistouch_gpio_normal();
		else
			pr_err("[KEY] mistouch_gpio_normal() is NULL\n");
        }
	delay_wq = create_singlethread_workqueue("gpio_key_work");
	INIT_DELAYED_WORK(&delay_work, Mistouch_powerkey_func);
	wake_lock_init(&key_reset_clr_wake_lock, WAKE_LOCK_SUSPEND, "gpio_input_pwr_clear");

	/* Enable auto repeat feature of Linux input subsystem */
	if (pdata->rep)
		__set_bit(EV_REP, input->evbit);

	for (i = 0; i < pdata->nbuttons; i++) {
		struct gpio_keys_button *button = &pdata->buttons[i];
		struct gpio_button_data *bdata = &ddata->data[i];
		unsigned int type = button->type ?: EV_KEY;

		bdata->input = input;
		bdata->button = button;

		error = gpio_keys_setup_key(pdev, bdata, button);
		if (error)
			goto fail2;

		if (button->wakeup)
			wakeup = 1;

		input_set_capability(input, type, button->code);
	}

	error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group);
	if (error) {
		dev_err(dev, "Unable to export keys/switches, error: %d\n",
			error);
		goto fail2;
	}

	keyboard_kobj = kobject_create_and_add("keyboard", NULL);
	if (keyboard_kobj == NULL) {
		printk(KERN_ERR "[KEY] KEY_ERR: %s: subsystem_register failed\n", __func__);
		return -ENOMEM;
	}
	if (sysfs_create_file(keyboard_kobj, &dev_attr_vol_wakeup.attr))
		pr_err("%s: sysfs_create_file error", __func__);
	wakeup_bitmask = 0;
	set_wakeup = 0;

	error = input_register_device(input);
	if (error) {
		dev_err(dev, "Unable to register input device, error: %d\n",
			error);
		goto fail3;
	}

	/* get current state of buttons */
	for (i = 0; i < pdata->nbuttons; i++) {
		if (KEY_POWER != pdata->buttons[i].code)
			gpio_keys_report_event(&ddata->data[i]);
	}
	input_sync(input);

	device_init_wakeup(&pdev->dev, wakeup);
	wake_lock_init(&power_key_wake_lock, WAKE_LOCK_SUSPEND, "power_key_wake_lock");
	pr_info("[KEY] gpio_keys_probe end.\n");

	return 0;

 fail3:
	sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
 fail2:
	while (--i >= 0) {
		free_irq(gpio_to_irq(pdata->buttons[i].gpio), &ddata->data[i]);
		if (ddata->data[i].timer_debounce)
			del_timer_sync(&ddata->data[i].timer);
		cancel_work_sync(&ddata->data[i].work);
		gpio_free(pdata->buttons[i].gpio);
	}

	platform_set_drvdata(pdev, NULL);
 fail1:
	input_free_device(input);
	kfree(ddata);

	return error;
}
Ejemplo n.º 8
0
static int __devinit gpio_keys_probe(struct platform_device *pdev)
{
	const struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
	struct gpio_keys_drvdata *ddata;
	struct device *dev = &pdev->dev;
	struct gpio_keys_platform_data alt_pdata;
	struct input_dev *input;
	int i, error;
	int wakeup = 0;
	int ret;
	struct device *sec_key;

	if (!pdata) {
		error = gpio_keys_get_devtree_pdata(dev, &alt_pdata);
		if (error)
			return error;
		pdata = &alt_pdata;
	}

	ddata = kzalloc(sizeof(struct gpio_keys_drvdata) +
			pdata->nbuttons * sizeof(struct gpio_button_data),
			GFP_KERNEL);
	input = input_allocate_device();
	if (!ddata || !input) {
		dev_err(dev, "failed to allocate state\n");
		error = -ENOMEM;
		goto fail1;
	}

	ddata->input = input;
	ddata->n_buttons = pdata->nbuttons;
	ddata->enable = pdata->enable;
	ddata->disable = pdata->disable;
#ifdef CONFIG_SENSORS_HALL
	ddata->gpio_flip_cover = pdata->gpio_flip_cover;
	ddata->irq_flip_cover = gpio_to_irq(ddata->gpio_flip_cover);
#endif
	mutex_init(&ddata->disable_lock);

	platform_set_drvdata(pdev, ddata);
	input_set_drvdata(input, ddata);

	input->name = pdata->name ? : pdev->name;
	input->phys = "gpio-keys/input0";
	input->dev.parent = &pdev->dev;
#ifdef CONFIG_SENSORS_HALL
	input->evbit[0] |= BIT_MASK(EV_SW);
	input_set_capability(input, EV_SW, SW_FLIP);
#endif
	input->open = gpio_keys_open;
	input->close = gpio_keys_close;

	input->id.bustype = BUS_HOST;
	input->id.vendor = 0x0001;
	input->id.product = 0x0001;
	input->id.version = 0x0100;

	/* Enable auto repeat feature of Linux input subsystem */
	if (pdata->rep)
		__set_bit(EV_REP, input->evbit);

	for (i = 0; i < pdata->nbuttons; i++) {
		struct gpio_keys_button *button = &pdata->buttons[i];
		struct gpio_button_data *bdata = &ddata->data[i];

		error = gpio_keys_setup_key(pdev, input, bdata, button);
		if (error)
			goto fail2;

		if (button->wakeup)
			wakeup = 1;
	}

	error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group);
	if (error) {
		dev_err(dev, "Unable to export keys/switches, error: %d\n",
			error);
		goto fail2;
	}

	error = input_register_device(input);
	if (error) {
		dev_err(dev, "Unable to register input device, error: %d\n",
			error);
		goto fail3;
	}

	/* get current state of buttons that are connected to GPIOs */
	for (i = 0; i < pdata->nbuttons; i++) {
		struct gpio_button_data *bdata = &ddata->data[i];
		if (gpio_is_valid(bdata->button->gpio))
			gpio_keys_gpio_report_event(bdata);
	}
	input_sync(input);

	sec_key = device_create(sec_class, NULL, 0, NULL, "sec_key");
	if (IS_ERR(sec_key))
		pr_err("Failed to create device(sec_key)!\n");

#if defined(CONFIG_SENSORS_HALL)
	ret = device_create_file(sec_key, &dev_attr_hall_detect);
	if (ret < 0) {
		pr_err("Failed to create device file(%s)!, error: %d\n",
		dev_attr_hall_detect.attr.name, ret);
	}
#endif
	ret = device_create_file(sec_key, &dev_attr_sec_key_pressed);
	if (ret) {
		pr_err("Failed to create device file in sysfs entries(%s)!\n",
		dev_attr_sec_key_pressed.attr.name);
	}

	ret = device_create_file(sec_key, &dev_attr_wakeup_keys);
	if (ret < 0) {
		pr_err("Failed to create device file(%s), error: %d\n",
		dev_attr_wakeup_keys.attr.name, ret);
	}

	dev_set_drvdata(sec_key, ddata);

	device_init_wakeup(&pdev->dev, wakeup);

	return 0;

 fail3:
	sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
 fail2:
	while (--i >= 0)
		gpio_remove_key(&ddata->data[i]);

	platform_set_drvdata(pdev, NULL);
 fail1:
	input_free_device(input);
	kfree(ddata);
	/* If we have no platform_data, we allocated buttons dynamically. */
	if (!pdev->dev.platform_data)
		kfree(pdata->buttons);

	return error;
}
Ejemplo n.º 9
0
static int __devinit gpio_keys_probe(struct platform_device *pdev)
{
	const struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
	struct gpio_keys_drvdata *ddata;
	struct device *dev = &pdev->dev;
	struct gpio_keys_platform_data alt_pdata;
	struct input_dev *input;
	int i, error;
	int wakeup = 0;

	if (!pdata) {
		error = gpio_keys_get_devtree_pdata(dev, &alt_pdata);
		if (error)
			return error;
		pdata = &alt_pdata;
	}

	ddata = kzalloc(sizeof(struct gpio_keys_drvdata) +
			pdata->nbuttons * sizeof(struct gpio_button_data),
			GFP_KERNEL);
	input = input_allocate_device();
	if (!ddata || !input) {
		dev_err(dev, "failed to allocate state\n");
		error = -ENOMEM;
		goto fail1;
	}

	ddata->input = input;
	ddata->n_buttons = pdata->nbuttons;
	ddata->enable = pdata->enable;
	ddata->disable = pdata->disable;
	mutex_init(&ddata->disable_lock);

	platform_set_drvdata(pdev, ddata);
	input_set_drvdata(input, ddata);

	input->name = pdata->name ? : pdev->name;
	input->phys = "gpio-keys/input0";
	input->dev.parent = &pdev->dev;
	input->open = gpio_keys_open;
	input->close = gpio_keys_close;

	input->id.bustype = BUS_HOST;
	input->id.vendor = 0x0001;
	input->id.product = 0x0001;
	input->id.version = 0x0100;

	/* Enable auto repeat feature of Linux input subsystem */
	if (pdata->rep)
		__set_bit(EV_REP, input->evbit);

	for (i = 0; i < pdata->nbuttons; i++) {
		const struct gpio_keys_button *button = &pdata->buttons[i];
		struct gpio_button_data *bdata = &ddata->data[i];

		error = gpio_keys_setup_key(pdev, input, bdata, button);
		if (error)
			goto fail2;

		if (button->wakeup)
			wakeup = 1;
	}

	error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group);
	if (error) {
		dev_err(dev, "Unable to export keys/switches, error: %d\n",
			error);
		goto fail2;
	}

	error = input_register_device(input);
	if (error) {
		dev_err(dev, "Unable to register input device, error: %d\n",
			error);
		goto fail3;
	}
	
//&*&*&*CT1_20120516, add GSesor lock switch pin detection 
	ddata->lock_status= gpio_get_value(TEGRA_GPIO_PQ2); //get KB_COL2 pin status
	
	ddata->sdev.name = FUNCTION_NAME;
	ddata->sdev.print_name = print_switch_name;
	ddata->sdev.print_state = print_switch_state;
	ddata->sdev.state = 0;
	error = switch_dev_register(&ddata->sdev);

	if (error < 0)
	{
		printk("Error registering switch!\n");
		goto fail4;
	}
	
	error = gpio_request(TEGRA_GPIO_PQ2, "glocksensor_irq");
	if (error < 0) {
		dev_err(dev, "failed to request TEGRA_GPIO_PQ2  error %d\n",
			error);
		goto fail4;
	}

	error = gpio_direction_input(TEGRA_GPIO_PQ2);
	if (error < 0) {
		dev_err(dev, "failed to configure direction for TEGRA_GPIO_PQ2 error %d\n",
			error);
		goto fail4;
	}
	
	tegra_gpio_enable(TEGRA_GPIO_PQ2);
		
	ddata->lock_status= gpio_get_value(TEGRA_GPIO_PQ2);
	
	switch_set_state(&ddata->sdev, ddata->lock_status);
	
	error = request_threaded_irq(gpio_to_irq(TEGRA_GPIO_PQ2),NULL, process_interrupt, IRQF_TRIGGER_FALLING |IRQF_TRIGGER_RISING, "glocksensor_irq", ddata);
	if( error )
	{
		dev_err(dev, "Unable to register swith interrupt device, error: %d\n",
			error);
		goto fail5;
	}
//&*&*&*CT2_20120516, add GSesor lock switch pin detection 

	/* get current state of buttons that are connected to GPIOs */
	for (i = 0; i < pdata->nbuttons; i++) {
		struct gpio_button_data *bdata = &ddata->data[i];
		if (gpio_is_valid(bdata->button->gpio))
			gpio_keys_gpio_report_event(bdata);
	}
	input_sync(input);

//&*&*&*HC1_20120514
	if (input != NULL)
		g_pwr_input = input;
//&*&*&*HC2_20120514	

	device_init_wakeup(&pdev->dev, wakeup);

	return 0;
//&*&*&*CT1_20120516, add GSesor lock switch pin detection 
 fail5:
	switch_dev_unregister(&ddata->sdev);
 fail4:
 	gpio_free(TEGRA_GPIO_PQ2);
//&*&*&*CT2_20120516, add GSesor lock switch pin detection 

 fail3:
	sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
 fail2:
	while (--i >= 0)
		gpio_remove_key(&ddata->data[i]);

	platform_set_drvdata(pdev, NULL);
 fail1:
	input_free_device(input);
	kfree(ddata);
	/* If we have no platform_data, we allocated buttons dynamically. */
	if (!pdev->dev.platform_data)
		kfree(pdata->buttons);

	return error;
}
Ejemplo n.º 10
0
static int __devinit gpio_keys_probe(struct platform_device *pdev)
{
	struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
	struct gpio_keys_drvdata *ddata;
	struct device *dev = &pdev->dev;
	struct input_dev *input;
	int i, error;
	int wakeup = 0;
	struct device *sec_key;
	#if defined(CONFIG_MACH_AEGIS2) || defined(CONFIG_MACH_APEXQ)
	struct device *sec_qwerty_flip ;
	#endif
	int ret;
	ddata = kzalloc(sizeof(struct gpio_keys_drvdata) +
			pdata->nbuttons * sizeof(struct gpio_button_data),
			GFP_KERNEL);
	input = input_allocate_device();
	if (!ddata || !input) {
		dev_err(dev, "failed to allocate state\n");
		error = -ENOMEM;
		goto fail1;
	}

	ddata->input = input;
	ddata->n_buttons = pdata->nbuttons;
	ddata->enable = pdata->enable;
	ddata->disable = pdata->disable;
	mutex_init(&ddata->disable_lock);

	platform_set_drvdata(pdev, ddata);
	input_set_drvdata(input, ddata);

	input->name = "sec_keys";
	input->phys = "gpio-keys/input0";
	input->dev.parent = &pdev->dev;
	input->open = gpio_keys_open;
	input->close = gpio_keys_close;

	input->id.bustype = BUS_HOST;
	input->id.vendor = 0x0001;
	input->id.product = 0x0001;
	input->id.version = 0x0100;

	/* Enable auto repeat feature of Linux input subsystem */
	if (pdata->rep)
		__set_bit(EV_REP, input->evbit);

	/* Enable keyled for gpio keys */
	if (pdata->keyled) {
		__set_bit(EV_LED, input->evbit);
		__set_bit(LED_MISC, input->ledbit);
	}

	for (i = 0; i < pdata->nbuttons; i++) {
		struct gpio_keys_button *button = &pdata->buttons[i];
		struct gpio_button_data *bdata = &ddata->data[i];
		unsigned int type = button->type ?: EV_KEY;

		bdata->input = input;
		bdata->button = button;

		error = gpio_keys_setup_key(pdev, bdata, button);
		if (error)
			goto fail2;

		if (button->wakeup)
			wakeup = 1;

		input_set_capability(input, type, button->code);
	}

	error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group);
	if (error) {
		dev_err(dev, "Unable to export keys/switches, error: %d\n",
			error);
		goto fail2;
	}

	error = input_register_device(input);
	if (error) {
		dev_err(dev, "Unable to register input device, error: %d\n",
			error);
		goto fail3;
	}

	/* get current state of buttons */
	for (i = 0; i < pdata->nbuttons; i++)
		gpio_keys_report_event(&ddata->data[i]);
	input_sync(input);

	sec_key = device_create(sec_class, NULL, 0, NULL, "sec_key");
	if (IS_ERR(sec_key))
		pr_err("Failed to create device(sec_key)!\n");

	ret = device_create_file(sec_key, &dev_attr_sec_key_pressed);
	if (ret) {
		pr_err("Failed to create device file in sysfs entries(%s)!\n",
		dev_attr_sec_key_pressed.attr.name);
	}

	#if defined(CONFIG_MACH_AEGIS2) || defined(CONFIG_MACH_APEXQ)
	sec_qwerty_flip = device_create(sec_class, NULL, 0, NULL,
	"sec_qwerty_flip");
		if (IS_ERR(sec_qwerty_flip))
			pr_err("Failed to create device(sec_qwerty_flip)!\n");

	ret = device_create_file(sec_qwerty_flip,
	&dev_attr_sec_qwerty_flip_pressed);
		if (ret) {
			pr_err("Failed to create device file in sysfs entries(%s)!\n",
			dev_attr_sec_qwerty_flip_pressed.attr.name);
		}
	#endif
	ret = device_create_file(sec_key, &dev_attr_wakeup_keys);
	if (ret < 0) {
		pr_err("Failed to create device file(%s), error: %d\n",
			dev_attr_wakeup_keys.attr.name, ret);
	}

	dev_set_drvdata(sec_key, ddata);
	#if defined(CONFIG_MACH_AEGIS2) || defined(CONFIG_MACH_APEXQ)
		dev_set_drvdata(sec_qwerty_flip, ddata);
	#endif
	device_init_wakeup(&pdev->dev, 1);

	return 0;

 fail3:
	sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
 fail2:
	while (--i >= 0) {
		free_irq(gpio_to_irq(pdata->buttons[i].gpio), &ddata->data[i]);
		if (ddata->data[i].timer_debounce)
			del_timer_sync(&ddata->data[i].timer);
		cancel_work_sync(&ddata->data[i].work);
		gpio_free(pdata->buttons[i].gpio);
	}

	platform_set_drvdata(pdev, NULL);
 fail1:
	input_free_device(input);
	kfree(ddata);

	return error;
}
static int __devinit gpio_keys_probe(struct platform_device *pdev)
{
	const struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
	struct gpio_keys_drvdata *ddata;
	struct device *dev = &pdev->dev;
	struct gpio_keys_platform_data alt_pdata;
	struct input_dev *input;
	int i, error;
	int wakeup = 0;

	if (!pdata) {
		error = gpio_keys_get_devtree_pdata(dev, &alt_pdata);
		if (error)
			return error;
		pdata = &alt_pdata;
	}

	ddata = kzalloc(sizeof(struct gpio_keys_drvdata) +
			pdata->nbuttons * sizeof(struct gpio_button_data),
			GFP_KERNEL);
	input = input_allocate_device();
	if (!ddata || !input) {
		dev_err(dev, "failed to allocate state\n");
		error = -ENOMEM;
		goto fail1;
	}

	ddata->input = input;
	ddata->n_buttons = pdata->nbuttons;
	ddata->enable = pdata->enable;
	ddata->disable = pdata->disable;
	mutex_init(&ddata->disable_lock);

	platform_set_drvdata(pdev, ddata);
	input_set_drvdata(input, ddata);

	input->name = pdata->name ? : pdev->name;
	input->phys = "gpio-keys/input0";
	input->dev.parent = &pdev->dev;
	input->open = gpio_keys_open;
	input->close = gpio_keys_close;

	input->id.bustype = BUS_HOST;
	input->id.vendor = 0x0001;
	input->id.product = 0x0001;
	input->id.version = 0x0100;

	/* Enable auto repeat feature of Linux input subsystem */
	if (pdata->rep)
		__set_bit(EV_REP, input->evbit);
 
#if 0
	error = gpio_request(GPIO_CAMERA_CTRL, NULL);
		if (error < 0) {
		printk("[%s]Failed to request GPIO %d, error %d\n",
			__func__,GPIO_CAMERA_CTRL, error);
		//return error;
		}
#endif
	Printlog("[%s]hw_id = %d \n",__func__,board_type_with_hw_id());
	 camera_ctrl= (board_type_with_hw_id() > DVT2_BOARD_HW_ID);
	Printlog("[%s] camera_ctrl :%d \n",__func__,camera_ctrl);
//	camera_ctrl = gpio_get_value(GPIO_CAMERA_CTRL);	
	if(camera_ctrl){//for after DVT3 to cahnge camera gpio define	
		for (i = 4; i <8; i++) {
			const struct gpio_keys_button *button = &pdata->buttons[i];
			struct gpio_button_data *bdata = &ddata->data[i];

			error = gpio_keys_setup_key(pdev, input, bdata, button);
			if (error)
				goto fail2;

			if (button->wakeup)
				wakeup = 1;
		}
	}else{ //for before DVT3.
	for (i = 0; i < pdata->nbuttons-4; i++) {
		const struct gpio_keys_button *button = &pdata->buttons[i];
		struct gpio_button_data *bdata = &ddata->data[i];

		error = gpio_keys_setup_key(pdev, input, bdata, button);
		if (error)
			goto fail2;

		if (button->wakeup)
			wakeup = 1;
	}
			}
	//PrintAA("[%s] GPIO_CAMERA_CTRL  value:%d",__func__,camera_ctrl);
 

	error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group);
	if (error) {
		dev_err(dev, "Unable to export keys/switches, error: %d\n",
			error);
		goto fail2;
	}

	error = input_register_device(input);
	if (error) {
		dev_err(dev, "Unable to register input device, error: %d\n",
			error);
		goto fail3;
	}
	if(camera_ctrl){//for after DVT3 to cahnge camera gpio define
		/* get current state of buttons that are connected to GPIOs */
		for (i = 4; i < 8; i++) {
			struct gpio_button_data *bdata = &ddata->data[i];
			if (gpio_is_valid(bdata->button->gpio))
				gpio_keys_gpio_report_event(bdata);
		}
	}else{//for before DVT3
	/* get current state of buttons that are connected to GPIOs */
	for (i = 0; i < pdata->nbuttons-4; i++) {
		struct gpio_button_data *bdata = &ddata->data[i];
		if (gpio_is_valid(bdata->button->gpio))
			gpio_keys_gpio_report_event(bdata);
		}
	}
	input_sync(input);

	device_init_wakeup(&pdev->dev, wakeup);

	return 0;

 fail3:
	sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
 fail2:
 if(camera_ctrl)
 	while (--i >= 4)  
		gpio_remove_key(&ddata->data[i]);
else{ 	
	while (--i >= 0) //for before DVT3.
		gpio_remove_key(&ddata->data[i]);
}
	platform_set_drvdata(pdev, NULL);
 fail1:
	input_free_device(input);
	kfree(ddata);
	/* If we have no platform_data, we allocated buttons dynamically. */
	if (!pdev->dev.platform_data)
		kfree(pdata->buttons);

	return error;
}
Ejemplo n.º 12
0
static int __devinit gpio_keys_probe(struct platform_device *pdev)
{
	const struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
	struct gpio_keys_drvdata *ddata;
	struct gpio_keys_button *button = NULL;
	struct gpio_button_data *bdata = NULL;
	struct device *dev = &pdev->dev;
	struct gpio_keys_platform_data alt_pdata;
	struct input_dev *input;
	int i, error;
	int wakeup = 0;
	int ret;
	struct device *sec_key;
#ifdef CONFIG_SEC_PATEK_PROJECT
	struct device *sec_keypad;
	struct device *sec_flip;
#endif

	if (!pdata) {
		error = gpio_keys_get_devtree_pdata(dev, &alt_pdata);
		if (error)
			return error;
		pdata = &alt_pdata;
	}

	ddata = kzalloc(sizeof(struct gpio_keys_drvdata) +
			pdata->nbuttons * sizeof(struct gpio_button_data),
			GFP_KERNEL);
	input = input_allocate_device();
	if (!ddata || !input) {
		dev_err(dev, "failed to allocate state\n");
		error = -ENOMEM;
		goto fail1;
	}

	ddata->input = input;
	ddata->n_buttons = pdata->nbuttons;
	ddata->enable = pdata->enable;
	ddata->disable = pdata->disable;
#ifdef CONFIG_SENSORS_HALL_DEBOUNCE
	ddata->debounce_set = pdata->debounce_set;
#endif
#ifdef CONFIG_SENSORS_HALL

#if defined (CONFIG_SEC_MILLET_PROJECT) || defined (CONFIG_SEC_BERLUTI_PROJECT)\
	|| defined (CONFIG_SEC_MATISSE_PROJECT)	|| defined (CONFIG_SEC_ATLANTIC_PROJECT)\
    || defined (CONFIG_SEC_MEGA2_PROJECT) || defined (CONFIG_SEC_T8_PROJECT) || defined (CONFIG_SEC_T10_PROJECT) || defined(CONFIG_SEC_HESTIA_PROJECT)
	ret = gpio_request(pdata->gpio_flip_cover,"HALL");
	if(ret)
		printk(KERN_CRIT "[HALL IC] gpio Request FAIL\n");
	else {
		gpio_tlmm_config(GPIO_CFG(pdata->gpio_flip_cover,0, GPIO_CFG_INPUT, GPIO_CFG_NO_PULL,GPIO_CFG_2MA),GPIO_CFG_DISABLE);
	}
#endif
	ddata->gpio_flip_cover = pdata->gpio_flip_cover;
	ddata->flip_code = pdata->flip_code;
	ddata->irq_flip_cover = gpio_to_irq(ddata->gpio_flip_cover);
	wake_lock_init(&ddata->flip_wake_lock, WAKE_LOCK_SUSPEND,
		"flip_wake_lock");
	flip_status_before = -1;
#endif
	mutex_init(&ddata->disable_lock);
#ifdef CONFIG_SENSORS_HALL_IRQ_CTRL
	mutex_init(&ddata->irq_lock);
#endif

	platform_set_drvdata(pdev, ddata);
	input_set_drvdata(input, ddata);

	input->name = pdata->name ? : pdev->name;
	input->phys = "gpio-keys/input0";
	input->dev.parent = &pdev->dev;
#ifdef CONFIG_SENSORS_HALL
	if(ddata->gpio_flip_cover != 0) {
		input->evbit[0] |= BIT_MASK(EV_SW);
		input_set_capability(input, EV_SW, ddata->flip_code);
	}
#endif
#ifdef CONFIG_SENSORS_HALL_IRQ_CTRL
	ddata->gsm_area = false;
	ddata->cover_state = false;
	ddata->workaround_set = pdata->workaround_set;
	drv_data = ddata;
#endif
#ifdef CONFIG_SENSORS_HALL_DEBOUNCE
	ddata->debounce_set = false;
#endif
	input->open = gpio_keys_open;
	input->close = gpio_keys_close;

	input->id.bustype = BUS_HOST;
	input->id.vendor = 0x0001;
	input->id.product = 0x0001;
	input->id.version = 0x0100;

	/* Enable auto repeat feature of Linux input subsystem */
	if (pdata->rep)
		__set_bit(EV_REP, input->evbit);

	for (i = 0; i < pdata->nbuttons; i++) {
		button = &pdata->buttons[i];
		bdata = &ddata->data[i];

		error = gpio_keys_setup_key(pdev, input, bdata, button);
		if (error)
			goto fail2;
#ifdef KEY_BOOSTER
		error = gpio_key_init_dvfs(bdata);
		if (error < 0) {
			dev_err(dev, "Fail get dvfs level for touch booster\n");
			goto fail2;
		}
#endif
		if (button->wakeup)
			wakeup = 1;
	}

	error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group);
	if (error) {
		dev_err(dev, "Unable to export keys/switches, error: %d\n",
			error);
		goto fail2;
	}

	error = input_register_device(input);
	if (error) {
		dev_err(dev, "Unable to register input device, error: %d\n",
			error);
		goto fail3;
	}

	/* get current state of buttons that are connected to GPIOs */
	for (i = 0; i < pdata->nbuttons; i++) {
		bdata = &ddata->data[i];
		if (gpio_is_valid(bdata->button->gpio))
			gpio_keys_gpio_report_event(bdata);
	}
	input_sync(input);

	sec_key = device_create(sec_class, NULL, 0, NULL, "sec_key");
	if (IS_ERR(sec_key))
		pr_err("Failed to create device(sec_key)!\n");

#ifdef CONFIG_SEC_PATEK_PROJECT
	sec_keypad=device_create(sec_class, NULL, 0, NULL, "sec_keypad");
	if (device_create_file(sec_keypad, &dev_attr_brightness) < 0)
		pr_err("Failed to create device file(%s)!\n", dev_attr_brightness.attr.name);

	sec_flip = device_create(sec_class, NULL, 0, NULL, "sec_flip");
	if (device_create_file(sec_flip, &dev_attr_flipStatus) < 0)
		pr_err("Failed to create device file(%s)!\n", dev_attr_flipStatus.attr.name);
#endif

	ret = device_create_file(sec_key, &dev_attr_sec_key_pressed);
	if (ret) {
		pr_err("Failed to create device file in sysfs entries(%s)!\n",
				dev_attr_sec_key_pressed.attr.name);
	}
#if defined(CONFIG_SEC_S_PROJECT)
	ret = device_create_file(sec_key, &dev_attr_sec_key_pressed_code);
	if (ret) {
		pr_err("Failed to create device file in sysfs entries(%s)!\n",
				dev_attr_sec_key_pressed_code.attr.name);
	}
#endif

#ifdef CONFIG_SENSORS_HALL_IRQ_CTRL
	if(ddata->gpio_flip_cover != 0) {
		ret = device_create_file(sec_key, &dev_attr_hall_irq_ctrl);
		if (ret < 0) {
			pr_err("Failed to create device file(%s)!, error: %d\n",
				dev_attr_hall_irq_ctrl.attr.name, ret);
		}
	}
#endif
#if defined(CONFIG_SENSORS_HALL)
	if(ddata->gpio_flip_cover != 0) {
		ret = device_create_file(sec_key, &dev_attr_hall_detect);
		if (ret < 0) {
			pr_err("Failed to create device file(%s)!, error: %d\n",
				dev_attr_hall_detect.attr.name, ret);
		}
	}
#if defined(CONFIG_SENSORS_HALL_DEBOUNCE)
	if(ddata->gpio_flip_cover != 0) {
		ret = device_create_file(sec_key, &dev_attr_hall_irq_ctrl);
		if (ret < 0) {
			pr_err("Failed to create device file(%s)!, error: %d\n",
				dev_attr_hall_irq_ctrl.attr.name, ret);
		}
	}
#endif
#if defined (CONFIG_SEC_MILLET_PROJECT) || defined (CONFIG_SEC_BERLUTI_PROJECT) ||  defined (CONFIG_SEC_T8_PROJECT)
	if (!lvs1_1p8) {
		lvs1_1p8 = regulator_get(dev, "8226_lvs1");
		if(!lvs1_1p8)
			printk(KERN_CRIT "%s: regulator_get for 8226_lvs1 failed\n", __func__);
		else {
			ret = regulator_enable(lvs1_1p8);
			if (ret){
				regulator_put(lvs1_1p8);
				printk(KERN_CRIT "%s: Failed to enable regulator lvs1_1p8.\n",__func__);
			}
		}
	}
#endif

#endif

#ifdef CONFIG_USE_VM_KEYBOARD_REJECT
	reject_keyboard_specific_key = false;
	ret = device_create_file(sec_key, &dev_attr_reject_key_comb);
	if (ret < 0) {
		pr_err("Failed to create device file(%s), error: %d\n",
				dev_attr_reject_key_comb.attr.name, ret);
	}
#endif
	ret = device_create_file(sec_key, &dev_attr_wakeup_keys);
	if (ret < 0) {
		pr_err("Failed to create device file(%s), error: %d\n",
				dev_attr_wakeup_keys.attr.name, ret);
	}
	dev_set_drvdata(sec_key, ddata);

	device_init_wakeup(&pdev->dev, wakeup);

#if defined(CONFIG_SEC_PATEK_PROJECT)
	keypadled_powerset(&pdev->dev);
	dev_set_drvdata(sec_flip, ddata);
#endif

#ifdef PERIODIC_CHECK_GPIOS
    INIT_DELAYED_WORK_DEFERRABLE(&g_gpio_check_work,
            sec_gpiocheck_work);
    schedule_delayed_work(&g_gpio_check_work,
            msecs_to_jiffies(0));
#endif

	return 0;

 fail3:
	sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
 fail2:
	while (--i >= 0)
		gpio_remove_key(&ddata->data[i]);

	platform_set_drvdata(pdev, NULL);
#ifdef CONFIG_SENSORS_HALL
	wake_lock_destroy(&ddata->flip_wake_lock);
#endif
 fail1:
	input_free_device(input);
	kfree(ddata);
	/* If we have no platform_data, we allocated buttons dynamically. */
	if (!pdev->dev.platform_data)
		kfree(pdata->buttons);

	return error;
}
Ejemplo n.º 13
0
static int gpio_keys_probe(struct platform_device *pdev)
{
	struct device *dev = &pdev->dev;
	const struct gpio_keys_platform_data *pdata = dev_get_platdata(dev);
	struct fwnode_handle *child = NULL;
	struct gpio_keys_drvdata *ddata;
	struct input_dev *input;
	size_t size;
	int i, error;
	int wakeup = 0;

	if (!pdata) {
		pdata = gpio_keys_get_devtree_pdata(dev);
		if (IS_ERR(pdata))
			return PTR_ERR(pdata);
	}

	size = sizeof(struct gpio_keys_drvdata) +
			pdata->nbuttons * sizeof(struct gpio_button_data);
	ddata = devm_kzalloc(dev, size, GFP_KERNEL);
	if (!ddata) {
		dev_err(dev, "failed to allocate state\n");
		return -ENOMEM;
	}

	ddata->keymap = devm_kcalloc(dev,
				     pdata->nbuttons, sizeof(ddata->keymap[0]),
				     GFP_KERNEL);
	if (!ddata->keymap)
		return -ENOMEM;

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

	ddata->pdata = pdata;
	ddata->input = input;
	mutex_init(&ddata->disable_lock);

	platform_set_drvdata(pdev, ddata);
	input_set_drvdata(input, ddata);

	input->name = pdata->name ? : pdev->name;
	input->phys = "gpio-keys/input0";
	input->dev.parent = dev;
	input->open = gpio_keys_open;
	input->close = gpio_keys_close;

	input->id.bustype = BUS_HOST;
	input->id.vendor = 0x0001;
	input->id.product = 0x0001;
	input->id.version = 0x0100;

	input->keycode = ddata->keymap;
	input->keycodesize = sizeof(ddata->keymap[0]);
	input->keycodemax = pdata->nbuttons;

	/* Enable auto repeat feature of Linux input subsystem */
	if (pdata->rep)
		__set_bit(EV_REP, input->evbit);

	for (i = 0; i < pdata->nbuttons; i++) {
		const struct gpio_keys_button *button = &pdata->buttons[i];

		if (!dev_get_platdata(dev)) {
			child = device_get_next_child_node(dev, child);
			if (!child) {
				dev_err(dev,
					"missing child device node for entry %d\n",
					i);
				return -EINVAL;
			}
		}

		error = gpio_keys_setup_key(pdev, input, ddata,
					    button, i, child);
		if (error) {
			fwnode_handle_put(child);
			return error;
		}

		if (button->wakeup)
			wakeup = 1;
	}

	fwnode_handle_put(child);

	error = devm_device_add_group(dev, &gpio_keys_attr_group);
	if (error) {
		dev_err(dev, "Unable to export keys/switches, error: %d\n",
			error);
		return error;
	}

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

	device_init_wakeup(dev, wakeup);

	return 0;
}