static ssize_t dual_brightness_set(
		struct device *dev, struct device_attribute *attr,
		const char *buf, size_t size)
{
	int dual_brt;
	dual_brt = simple_strtoul(buf, NULL, 10);

	if( dual_brt >= 0 && dual_brt <= 99999999 )
	{
		int brt1, brt2;
		dual_brightness = dual_brt;
		brt2 = dual_brt%10000;
		brt1 = (dual_brt-brt2)/10000;

		if (dual_brt == 0)
		{
			vte_in_use = 0;
			FLT_INFO_LOG("vte set brightness by HDK 0+0, flashlight turn off\n");
		}
		else
		{
			vte_in_use = 1;
			FLT_INFO_LOG("vte set brightness by HDK %d+%d\n", brt1, brt2);
		}
		lm3643_flashlight_torch( brt1, brt2 );
	}
	else
		FLT_INFO_LOG("%s: Input out of range\n",__func__);

	return size;
}
static ssize_t vte_flt_write(struct file *file, const char __user *buf, size_t count, loff_t *offset)
{
	unsigned long dual_brt;
	dual_brt = simple_strtoul(buf, NULL, 10);

	if( dual_brt >= 0 && dual_brt <= 99999999 )
	{
		int brt1, brt2;
		dual_brightness = dual_brt;
		brt2 = dual_brt%10000;
		brt1 = (dual_brt-brt2)/10000;

		FLT_INFO_LOG("vte set brightness %d+%d\n", brt1, brt2);
		if (dual_brt == 0)
			vte_in_use = 0;
		else
			vte_in_use = 1;

		lm3643_flashlight_torch( brt1, brt2 );
		return count;
	} else {
		FLT_INFO_LOG("%s: Input out of range: %lu\n",__func__, dual_brt);
		return -1;
	}
}
Example #3
0
static int flashlight_probe(struct platform_device *pdev)
{
	struct flashlight_platform_data *flashlight = pdev->dev.platform_data;
	struct flashlight_struct *fl_str;
	int err = 0;

	fl_str = kzalloc(sizeof(struct flashlight_struct), GFP_KERNEL);
	if (!fl_str) {
		FLT_ERR_LOG("%s: kzalloc fail !!!\n", __func__);
		return -ENOMEM;
	}

	err = flashlight_setup_gpio(flashlight, fl_str);
	if (err < 0) {
		FLT_ERR_LOG("%s: setup GPIO fail !!!\n", __func__);
		goto fail_free_mem;
	}
	spin_lock_init(&fl_str->spin_lock);
	fl_str->chip_model = flashlight->chip_model;
	fl_str->fl_lcdev.name = pdev->name;
	fl_str->fl_lcdev.brightness_set = fl_lcdev_brightness_set;
	fl_str->fl_lcdev.brightness = 0;
	err = led_classdev_register(&pdev->dev, &fl_str->fl_lcdev);
	if (err < 0) {
		FLT_ERR_LOG("%s: failed on led_classdev_register\n", __func__);
		goto fail_free_gpio;
	}
#ifdef FLASHLIGHT_ADJ_FUNC
	if (fl_str->gpio_flash_adj) {
		FLT_INFO_LOG("%s: flash_adj exist, create attr file\n", __func__);
		err = device_create_file(fl_str->fl_lcdev.dev,
							&dev_attr_flash_adj);
		if (err != 0)
			FLT_ERR_LOG("%s: dev_attr_flash_adj failed\n", __func__);
	}
#endif
#ifdef CONFIG_HAS_EARLYSUSPEND
	fl_str->early_suspend_flashlight.suspend = flashlight_early_suspend;
	fl_str->early_suspend_flashlight.resume = flashlight_late_resume;
	register_early_suspend(&fl_str->early_suspend_flashlight);
#endif
	hrtimer_init(&fl_str->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
	fl_str->timer.function = flashlight_hrtimer_func;
	fl_str->led_count = flashlight->led_count;
	FLT_INFO_LOG("%s: led_count = %d\n", __func__, fl_str->led_count);

	this_fl_str = fl_str;
	FLT_INFO_LOG("%s: The Flashlight Driver is ready\n", __func__);
	return 0;

fail_free_gpio:
	flashlight_free_gpio(flashlight, fl_str);
fail_free_mem:
	kfree(fl_str);
	FLT_ERR_LOG("make %s: The Flashlight driver is Failure\n", __func__);
	return err;
}
static ssize_t flash_store(
		struct device *dev, struct device_attribute *attr,
		const char *buf, size_t size)
{
	int val;
	val = simple_strtoul(buf, NULL, 10);

	if(val >= 0){
		FLT_INFO_LOG("%s: %d\n",__func__,val);
	}else
		FLT_INFO_LOG("%s: Input out of range\n",__func__);
	return size;
}
static ssize_t regaddr_store(
		struct device *dev, struct device_attribute *attr,
		const char *buf, size_t size)
{
	int input;
	input = simple_strtoul(buf, NULL, 16);

	if(input >= 0 && input < 256){
		regaddr = input;
		FLT_INFO_LOG("%s: %d\n",__func__,regaddr);
	}else
		FLT_INFO_LOG("%s: Input out of range\n",__func__);
	return size;
}
static ssize_t sw_timeout_store(
		struct device *dev, struct device_attribute *attr,
		const char *buf, size_t size)
{
	int input;
	input = simple_strtoul(buf, NULL, 10);

	if(input >= 0 && input < 1500){
		this_lm3643->flash_sw_timeout = input;
		FLT_INFO_LOG("%s: %d\n",__func__,this_lm3643->flash_sw_timeout);
	}else
		FLT_INFO_LOG("%s: Input out of range\n",__func__);
	return size;
}
static ssize_t support_dual_flashlight_store(
		struct device *dev, struct device_attribute *attr,
		const char *buf, size_t size)
{
	int input;
	input = simple_strtoul(buf, NULL, 10);

	if(input >= 0 && input < 2){
		support_dual_flashlight = input;
		FLT_INFO_LOG("%s: %d\n",__func__,support_dual_flashlight);
	}else
		FLT_INFO_LOG("%s: Input out of range\n",__func__);
	return size;
}
static ssize_t switch_store(
		struct device *dev, struct device_attribute *attr,
		const char *buf, size_t size)
{
	int switch_status;
	switch_status = -1;
	switch_status = simple_strtoul(buf, NULL, 10);

	if(switch_status >= 0 && switch_status < 2){
		switch_state = switch_status;
		FLT_INFO_LOG("%s: %d\n",__func__,switch_state);
	}else
		FLT_INFO_LOG("%s: Input out of range\n",__func__);
	return size;
}
static ssize_t poweroff_store(
		struct device *dev, struct device_attribute *attr,
		const char *buf, size_t size)
{
	int input;
	input = simple_strtoul(buf, NULL, 10);
	FLT_INFO_LOG("%s\n", __func__);

	if(input == 1){
		flashlight_turn_off();
	}else
		FLT_INFO_LOG("%s: Input out of range\n",__func__);

	return size;
}
Example #10
0
static int flashlight_setup_gpio(struct flashlight_platform_data *flashlight,
					struct flashlight_struct *fl_str)
{
	int ret = 0;
	if (flashlight->gpio_init)
		flashlight->gpio_init();
	if (flashlight->torch) {
		ret = gpio_request(flashlight->torch, "fl_torch");
		if (ret < 0) {
			FLT_ERR_LOG("%s: gpio_request(torch) failed\n", __func__);
			return ret;
		}
		fl_str->gpio_torch = flashlight->torch;
	}

	if (flashlight->flash) {
		ret = gpio_request(flashlight->flash, "fl_flash");
		if (ret < 0) {
			FLT_ERR_LOG("%s: gpio_request(flash) failed\n", __func__);
			return ret;
		}
		fl_str->gpio_flash = flashlight->flash;
	}

	if (flashlight->torch_set1) {
		ret = gpio_request(flashlight->torch_set1, "fl_torch_set1");
		if (ret < 0) {
			FLT_ERR_LOG("%s: gpio_request(fl_torch_set1) failed\n", __func__);
			return ret;
		}
		fl_str->torch_set1 = flashlight->torch_set1;
	}

	if (flashlight->torch_set2) {
		ret = gpio_request(flashlight->torch_set2, "fl_torch_set2");
		if (ret < 0) {
			FLT_ERR_LOG("%s: gpio_request(fl_torch_set2) failed\n", __func__);
			return ret;
		}
		fl_str->torch_set2 = flashlight->torch_set2;
	}

	if (flashlight->flash_adj) {
		ret = gpio_request(flashlight->flash_adj, "fl_flash_adj");
		if (ret < 0) {
			FLT_ERR_LOG("%s: gpio_request(flash_adj) failed\n", __func__);
			return ret;
		}
		fl_str->gpio_flash_adj = flashlight->flash_adj;
		gpio_set_value(fl_str->gpio_flash_adj, 0);
		fl_str->flash_adj_gpio_status = 0;
		FLT_INFO_LOG("%s: enable flash_adj function\n", FLASHLIGHT_NAME);
	}
	if (flashlight->flash_duration_ms)
		fl_str->flash_sw_timeout_ms = flashlight->flash_duration_ms;
	else /* load default value */
		fl_str->flash_sw_timeout_ms = 600;
	return ret;
}
Example #11
0
static enum hrtimer_restart flashlight_hrtimer_func(struct hrtimer *timer)
{
	struct flashlight_struct *fl_str = container_of(timer,
			struct flashlight_struct, timer);
	spin_lock_irqsave(&fl_str->spin_lock, fl_str->spinlock_flags);
	flashlight_turn_off();
	spin_unlock_irqrestore(&fl_str->spin_lock, fl_str->spinlock_flags);
	FLT_INFO_LOG("%s: turn off flash mode\n", __func__);
	return HRTIMER_NORESTART;
}
static int uncertain_support_dual_flashlight(void)
{
	int pid = of_machine_pid();
	int pcbid = of_machine_pcbid();
	FLT_INFO_LOG("pid=%d, pcbid=%d.\r\n", pid, pcbid);

	/*
	 * Which hardware version of sku starts to support dual flashlight
	 */

	/* m8ul: xe */
	if ( pid == 271 || pid == 272 || pid == 280 || pid == 286 )
	{
		if ( pcbid>=4 || pcbid<0 ) return 1;
		else                       return 0;
	}

	/* m8att: xe */
	if ( pid == 273 )
	{
		if ( pcbid>=4 || pcbid<0 ) return 1;
		else                       return 0;
	}

	/* m8wl: xd */
	if ( pid == 266 )
	{
		if ( pcbid>=3 || pcbid<0 ) return 1;
		else                       return 0;
	}

	/* m8ct: xb */
	if ( pid == 269 )
	{
		if ( pcbid>=1 || pcbid<0 ) return 1;
		else                       return 0;
	}

	/* m8whl: xd */
	if ( pid == 267 )
	{
		if ( pcbid>=3 || pcbid<0 ) return 1;
		else                       return 0;
	}

	/* m8tl: xb */
	if ( pid == 281 )
	{
		if ( pcbid>=1 || pcbid<0 ) return 1;
		else                       return 0;
	}

	/* default supporting dual flashlight */
	return 1;
}
static ssize_t switch_store(
		struct device *dev, struct device_attribute *attr,
		const char *buf, size_t size)
{
	int switch_status;
	switch_status = -1;
	sscanf(buf, "%d ",&switch_status);
	FLT_INFO_LOG("%s: %d\n",__func__,switch_status);
	switch_state = switch_status;
	return size;
}
static int uncertain_support_dual_flashlight(void)
{
	int pid = of_machine_pid();
	int pcbid = of_machine_pcbid();
	FLT_INFO_LOG("pid=%d, pcbid=%d.\r\n", pid, pcbid);


	
	if ( pid == 271 || pid == 272 || pid == 280 || pid == 286 )
	{
		if ( pcbid>=4 || pcbid<0 ) return 1;
		else                       return 0;
	}

	
	if ( pid == 273 )
	{
		if ( pcbid>=4 || pcbid<0 ) return 1;
		else                       return 0;
	}

	
	if ( pid == 266 )
	{
		if ( pcbid>=3 || pcbid<0 ) return 1;
		else                       return 0;
	}

	
	if ( pid == 269 )
	{
		if ( pcbid>=1 || pcbid<0 ) return 1;
		else                       return 0;
	}

	
	if ( pid == 267 )
	{
		if ( pcbid>=3 || pcbid<0 ) return 1;
		else                       return 0;
	}

	
	if ( pid == 281 )
	{
		if ( pcbid>=1 || pcbid<0 ) return 1;
		else                       return 0;
	}

	
	return 1;
}
static int flashlight_probe(struct platform_device *pdev)
{
	struct flashlight_platform_data *flashlight = pdev->dev.platform_data;
	struct flashlight_struct *fl_str;
	int err = 0;

	fl_str = kzalloc(sizeof(struct flashlight_struct), GFP_KERNEL);
	if (!fl_str) {
		FLT_ERR_LOG("%s: kzalloc fail !!!\n", __func__);
		return -ENOMEM;
	}

	err = flashlight_setup_gpio(flashlight, fl_str);
	if (err < 0) {
		FLT_ERR_LOG("%s: setup GPIO fail !!!\n", __func__);
		goto fail_free_mem;
	}
	spin_lock_init(&fl_str->spin_lock);

	fl_str->fl_lcdev.name = FLASHLIGHT_NAME;
	fl_str->fl_lcdev.brightness_set = fl_lcdev_brightness_set;
	fl_str->fl_lcdev.brightness = 0;
	if (flashlight->flash_duration_ms)
		fl_str->flash_sw_timeout_ms = flashlight->flash_duration_ms;
	else /* load default value */
		fl_str->flash_sw_timeout_ms = 600;
	err = led_classdev_register(&pdev->dev, &fl_str->fl_lcdev);
	if (err < 0) {
		FLT_ERR_LOG("%s: failed on led_classdev_register\n", __func__);
		goto fail_free_gpio;
	}
#ifdef CONFIG_HAS_EARLYSUSPEND
	fl_str->early_suspend_flashlight.suspend = flashlight_early_suspend;
	fl_str->early_suspend_flashlight.resume = flashlight_late_resume;
	register_early_suspend(&fl_str->early_suspend_flashlight);
#endif
	hrtimer_init(&fl_str->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
	fl_str->timer.function = flashlight_hrtimer_func;

	this_fl_str = fl_str;
	FLT_INFO_LOG("%s: The Flashlight Driver is ready\n", __func__);
	return 0;

fail_free_gpio:
	flashlight_free_gpio(flashlight, fl_str);
fail_free_mem:
	kfree(fl_str);
	return err;
}
Example #16
0
static ssize_t store_flash_adj(struct device *dev,
		struct device_attribute *attr, const char *buf, size_t count)
{
	static int tmp, adj_tmp;
	if ((buf[0] == '0' || buf[0] == '1' || buf[0] == '2')
							&& buf[1] == '\n') {
		spin_lock_irqsave(&this_fl_str->spin_lock,
						this_fl_str->spinlock_flags);
		tmp = buf[0] - 0x30;
		if (tmp == this_fl_str->flash_adj_value) {
			spin_unlock_irqrestore(&this_fl_str->spin_lock,
						this_fl_str->spinlock_flags);
			FLT_INFO_LOG("%s: status is same(%d)\n",
				__func__, this_fl_str->flash_adj_value);
			return count;
		}
		adj_tmp = this_fl_str->gpio_flash_adj;
		switch (tmp) {
		case 2:
			flashlight_turn_off();
		break;
		case 1:
			/*
			if (this_fl_str->flash_adj_gpio_status) {
				gpio_set_value(adj_tmp, 0);
				this_fl_str->flash_adj_gpio_status = 0;
			}
			*/
		break;
		case 0:
			/*
			if (!this_fl_str->flash_adj_gpio_status) {
				gpio_set_value(adj_tmp, 1);
				this_fl_str->flash_adj_gpio_status = 1;
			}
			*/
		break;
		}
		this_fl_str->flash_adj_value = tmp;
		spin_unlock_irqrestore(&this_fl_str->spin_lock,
						this_fl_str->spinlock_flags);
	}
	return count;
}
Example #17
0
int aat1277_flashlight_control(int mode)
{
	int ret = 0;
	uint32_t flash_ns = ktime_to_ns(ktime_get());

#if 0 /* disable flash_adj_value check now */
	if (this_fl_str->flash_adj_value == 2) {
		printk(KERN_WARNING "%s: force disable function!\n", __func__);
		return -EIO;
	}
#endif
#ifndef CONFIG_ARCH_MSM_FLASHLIGHT_DEATH_RAY
	if (this_fl_str->mode_status == mode) {
		FLT_INFO_LOG("%s: mode is same: %d\n",
							FLASHLIGHT_NAME, mode);

		if (!hrtimer_active(&this_fl_str->timer) &&
			this_fl_str->mode_status == FL_MODE_OFF) {
			FLT_INFO_LOG("flashlight hasn't been enable or" \
				" has already reset to 0 due to timeout\n");
			return ret;
		} else
			return -EINVAL;
	}
#endif
	spin_lock_irqsave(&this_fl_str->spin_lock,
						this_fl_str->spinlock_flags);
	if (this_fl_str->mode_status == FL_MODE_FLASH) {
		hrtimer_cancel(&this_fl_str->timer);
		flashlight_turn_off();
	}

	switch (mode) {
	case FL_MODE_OFF:
		flashlight_turn_off();

	break;
	case FL_MODE_TORCH:
		gpio_direction_output(this_fl_str->gpio_torch, 0);
		gpio_set_value(this_fl_str->torch_set1, 1);
		gpio_set_value(this_fl_str->torch_set2, 1);
		gpio_direction_output(this_fl_str->gpio_torch, 1);
		this_fl_str->mode_status = FL_MODE_TORCH;
		this_fl_str->fl_lcdev.brightness = LED_HALF;
	break;

	case FL_MODE_FLASH:
		gpio_direction_output(this_fl_str->gpio_flash, 1);
		this_fl_str->mode_status = FL_MODE_FLASH;
		this_fl_str->fl_lcdev.brightness = LED_FULL;

		hrtimer_start(&this_fl_str->timer,
			ktime_set(this_fl_str->flash_sw_timeout_ms / 1000,
				(this_fl_str->flash_sw_timeout_ms % 1000) *
					NSEC_PER_MSEC), HRTIMER_MODE_REL);
	break;
	case FL_MODE_PRE_FLASH:
		gpio_direction_output(this_fl_str->gpio_torch, 0);
		gpio_set_value(this_fl_str->torch_set1, 1);
		gpio_set_value(this_fl_str->torch_set2, 1);
		gpio_direction_output(this_fl_str->gpio_torch, 1);
		this_fl_str->mode_status = FL_MODE_PRE_FLASH;
		this_fl_str->fl_lcdev.brightness = LED_HALF + 1;
	break;
	case FL_MODE_TORCH_LEVEL_1:
		gpio_direction_output(this_fl_str->gpio_torch, 0);
		gpio_set_value(this_fl_str->torch_set1, 0);
		gpio_set_value(this_fl_str->torch_set2, 0);
		gpio_direction_output(this_fl_str->gpio_torch, 1);
		this_fl_str->mode_status = FL_MODE_TORCH_LEVEL_1;
		this_fl_str->fl_lcdev.brightness = LED_HALF - 2;
	break;
	case FL_MODE_TORCH_LEVEL_2:
		gpio_direction_output(this_fl_str->gpio_torch, 0);
		gpio_set_value(this_fl_str->torch_set1, 0);
		gpio_set_value(this_fl_str->torch_set2, 1);
		gpio_direction_output(this_fl_str->gpio_torch, 1);
		this_fl_str->mode_status = FL_MODE_TORCH_LEVEL_2;
		this_fl_str->fl_lcdev.brightness = LED_HALF - 1;
	break;
#ifdef CONFIG_ARCH_MSM_FLASHLIGHT_DEATH_RAY
	case FL_MODE_DEATH_RAY:
		pr_info("%s: death ray\n", __func__);
		hrtimer_cancel(&this_fl_str->timer);
		gpio_direction_output(this_fl_str->gpio_flash, 0);
		udelay(40);
		gpio_direction_output(this_fl_str->gpio_flash, 1);
		this_fl_str->mode_status = 0;
		this_fl_str->fl_lcdev.brightness = 3;
	break;
#endif
	default:
		FLT_ERR_LOG("%s: unknown flash_light flags: %d\n",
							__func__, mode);
		ret = -EINVAL;
	break;
	}

	FLT_INFO_LOG("%s: mode: %d, %u\n", FLASHLIGHT_NAME, mode,
		flash_ns/(1000*1000));

	spin_unlock_irqrestore(&this_fl_str->spin_lock,
						this_fl_str->spinlock_flags);
	return ret;
}
Example #18
0
int aat1271_flashlight_control(int mode)
{
	int ret = 0;
	uint32_t flash_ns = ktime_to_ns(ktime_get());

#if 0 /* disable flash_adj_value check now */
	if (this_fl_str->flash_adj_value == 2) {
		printk(KERN_WARNING "%s: force disable function!\n", __func__);
		return -EIO;
	}
#endif
	if (this_fl_str->mode_status == mode) {
		FLT_INFO_LOG("%s: mode is same: %d\n",
							FLASHLIGHT_NAME, mode);

		if (!hrtimer_active(&this_fl_str->timer) &&
			this_fl_str->mode_status == FL_MODE_OFF) {
			FLT_INFO_LOG("flashlight hasn't been enable or" \
				" has already reset to 0 due to timeout\n");
			return ret;
		}
		else
			return -EINVAL;
	}

	spin_lock_irqsave(&this_fl_str->spin_lock,
						this_fl_str->spinlock_flags);
	if (this_fl_str->mode_status == FL_MODE_FLASH) {
		hrtimer_cancel(&this_fl_str->timer);
		flashlight_turn_off();
	}
	switch (mode) {
	case FL_MODE_OFF:
		flashlight_turn_off();
	break;
	case FL_MODE_TORCH:
		if (this_fl_str->led_count)
			flashlight_hw_command(3, 4);
		else
			flashlight_hw_command(3, 3);
		flashlight_hw_command(0, 6);
		flashlight_hw_command(2, 4);
		this_fl_str->mode_status = FL_MODE_TORCH;
		this_fl_str->fl_lcdev.brightness = LED_HALF;
	break;
	case FL_MODE_TORCH_LED_A:
		flashlight_hw_command(3, 1);
		flashlight_hw_command(0, 15);
		flashlight_hw_command(2, 3);
		this_fl_str->mode_status = FL_MODE_TORCH_LED_A;
		this_fl_str->fl_lcdev.brightness = 1;
	break;
	case FL_MODE_TORCH_LED_B:
		flashlight_hw_command(3, 1);
		flashlight_hw_command(0, 15);
		flashlight_hw_command(2, 2);
		this_fl_str->mode_status = FL_MODE_TORCH_LED_B;
		this_fl_str->fl_lcdev.brightness = 2;
	break;
	case FL_MODE_FLASH:
		flashlight_hw_command(2, 4);
		gpio_direction_output(this_fl_str->gpio_flash, 1);
		this_fl_str->mode_status = FL_MODE_FLASH;
		this_fl_str->fl_lcdev.brightness = LED_FULL;
		hrtimer_start(&this_fl_str->timer,
			ktime_set(this_fl_str->flash_sw_timeout_ms / 1000,
				(this_fl_str->flash_sw_timeout_ms % 1000) *
					NSEC_PER_MSEC), HRTIMER_MODE_REL);
	break;
	case FL_MODE_PRE_FLASH:
		flashlight_hw_command(3, 3);
		flashlight_hw_command(0, 6);
		flashlight_hw_command(2, 4);
		this_fl_str->mode_status = FL_MODE_PRE_FLASH;
		this_fl_str->fl_lcdev.brightness = LED_HALF + 1;
	break;
	case FL_MODE_TORCH_LEVEL_1:
		if (this_fl_str->led_count)
			flashlight_hw_command(3, 4);
		else
			flashlight_hw_command(3, 3);
		flashlight_hw_command(0, 15);
		flashlight_hw_command(2, 4);
		this_fl_str->mode_status = FL_MODE_TORCH_LEVEL_1;
		this_fl_str->fl_lcdev.brightness = LED_HALF - 2;
	break;
	case FL_MODE_TORCH_LEVEL_2:
		if (this_fl_str->led_count)
			flashlight_hw_command(3, 4);
		else
			flashlight_hw_command(3, 3);
		flashlight_hw_command(0, 10);
		flashlight_hw_command(2, 4);
		this_fl_str->mode_status = FL_MODE_TORCH_LEVEL_2;
		this_fl_str->fl_lcdev.brightness = LED_HALF - 1;
	break;

	default:
		FLT_ERR_LOG("%s: unknown flash_light flags: %d\n",
							__func__, mode);
		ret = -EINVAL;
	break;
	}

	FLT_INFO_LOG("%s: mode: %d, %u\n", FLASHLIGHT_NAME, mode,
		flash_ns/(1000*1000));

	spin_unlock_irqrestore(&this_fl_str->spin_lock,
						this_fl_str->spinlock_flags);
	return ret;
}
static ssize_t dual_brightness_show(struct device *dev, struct device_attribute *attr,
		char *buf)
{
	FLT_INFO_LOG("dual_brightness=%u\n", dual_brightness);
	return snprintf(buf, 9, "%u\n", dual_brightness);
}
int aat1277_flashlight_control(int mode)
{
	int ret = 0;
	uint32_t flash_ns = ktime_to_ns(ktime_get());
	if (this_fl_str->mode_status == mode) {
		FLT_INFO_LOG("%s: mode is same: %d\n",
							"aat1277_flashlight", mode);

		if (!hrtimer_active(&this_fl_str->timer) &&
			this_fl_str->mode_status == FL_MODE_OFF) {
			FLT_INFO_LOG("flashlight hasn't been enable or" \
				" has already reset to 0 due to timeout\n");
			return ret;
		} else
			return -EINVAL;
	}

	spin_lock_irqsave(&this_fl_str->spin_lock,
						this_fl_str->spinlock_flags);
	if (this_fl_str->mode_status == FL_MODE_FLASH) {
		hrtimer_cancel(&this_fl_str->timer);
		flashlight_turn_off();
	}

	switch (mode) {
	case FL_MODE_OFF:
		flashlight_turn_off();

	break;
	case FL_MODE_TORCH:
		gpio_direction_output(this_fl_str->gpio_torch, 0);
		gpio_set_value(this_fl_str->torch_set1, 1);
		gpio_set_value(this_fl_str->torch_set2, 1);
		gpio_direction_output(this_fl_str->gpio_torch, 1);
		this_fl_str->mode_status = FL_MODE_TORCH;
		this_fl_str->fl_lcdev.brightness = LED_HALF;
	break;

	case FL_MODE_FLASH:
		gpio_direction_output(this_fl_str->gpio_flash, 1);
		this_fl_str->mode_status = FL_MODE_FLASH;
		this_fl_str->fl_lcdev.brightness = LED_FULL;

		hrtimer_start(&this_fl_str->timer,
			ktime_set(this_fl_str->flash_sw_timeout_ms / 1000,
				(this_fl_str->flash_sw_timeout_ms % 1000) *
					NSEC_PER_MSEC), HRTIMER_MODE_REL);
	break;
	case FL_MODE_PRE_FLASH:
		gpio_direction_output(this_fl_str->gpio_torch, 0);
		gpio_set_value(this_fl_str->torch_set1, 1);
		gpio_set_value(this_fl_str->torch_set2, 1);
		gpio_direction_output(this_fl_str->gpio_torch, 1);
		this_fl_str->mode_status = FL_MODE_PRE_FLASH;
		this_fl_str->fl_lcdev.brightness = LED_HALF + 1;
	break;
	case FL_MODE_TORCH_LEVEL_1:
		gpio_direction_output(this_fl_str->gpio_torch, 0);
		gpio_set_value(this_fl_str->torch_set1, 0);
		gpio_set_value(this_fl_str->torch_set2, 0);
		gpio_direction_output(this_fl_str->gpio_torch, 1);
		this_fl_str->mode_status = FL_MODE_TORCH_LEVEL_1;
		this_fl_str->fl_lcdev.brightness = LED_HALF - 2;
	break;
	case FL_MODE_TORCH_LEVEL_2:
		gpio_direction_output(this_fl_str->gpio_torch, 0);
		gpio_set_value(this_fl_str->torch_set1, 0);
		gpio_set_value(this_fl_str->torch_set2, 1);
		gpio_direction_output(this_fl_str->gpio_torch, 1);
		this_fl_str->mode_status = FL_MODE_TORCH_LEVEL_2;
		this_fl_str->fl_lcdev.brightness = LED_HALF - 1;
	break;

	default:
		FLT_ERR_LOG("%s: unknown flash_light flags: %d\n",
							__func__, mode);
		ret = -EINVAL;
	break;
	}

	FLT_INFO_LOG("%s: mode: %d, %u\n", "aat1277_flashlight", mode,
		flash_ns/(1000*1000));

	spin_unlock_irqrestore(&this_fl_str->spin_lock,
						this_fl_str->spinlock_flags);
	return ret;
}
static ssize_t vte_flt_read(struct file *file, char __user *buf, size_t count, loff_t *offset)
{
	FLT_INFO_LOG("dual_brightness=%u\n", dual_brightness);
	return snprintf(buf, 9, "%u\n", dual_brightness);
}
static int vte_flt_release(struct inode *inode, struct file *filp)
{
	FLT_INFO_LOG("%s", __func__);
	return 0;
}