Ejemplo n.º 1
0
static void pm8xxx_led_current_set_flagged(struct led_classdev *led_cdev, enum led_brightness brightness, int blink)
{
	struct pm8xxx_led_data *led = container_of(led_cdev,  struct pm8xxx_led_data, cdev);
	int rc, offset;
	u8 level;

	int *pduties;

	LED_INFO("%s, bank:%d, brightness:%d\n", __func__, led->bank, brightness);
	cancel_delayed_work_sync(&led->fade_delayed_work);
	virtual_key_state = brightness;
	if (flag_hold_virtual_key == 1) {
		LED_INFO("%s, key control \n", __func__);
		return;
	}

	if(brightness) {
		level = (led->out_current << PM8XXX_DRV_LED_CTRL_SHIFT) & PM8XXX_DRV_LED_CTRL_MASK;
		offset = PM8XXX_LED_OFFSET(led->id);
		led->reg &= ~PM8XXX_DRV_LED_CTRL_MASK;
		led->reg |= level;
		rc = pm8xxx_writeb(led->dev->parent, SSBI_REG_ADDR_LED_CTRL(offset), led->reg);
		if (rc)
			LED_ERR("%s can't set (%d) led value rc=%d\n", __func__, led->id, rc);

		if (led->function_flags & LED_BRETH_FUNCTION) {
			
			if (blink == 0)
			{
				buttons_led_is_on = 1;
				// no blink needed
				pduties = &dutys_array[0];
				pm8xxx_pwm_lut_config(led->pwm_led,
							led->period_us,
							pduties,
							led->duty_time_ms,
							led->start_index,
							led->duites_size,
							0, 0,
							led->lut_flag);
			} else
			{
				pduties = &dutys_array[0];
				// LUT_LOOP for blinking
				pm8xxx_pwm_lut_config(led->pwm_led,
							led->period_us,
							pduties,
							led->duty_time_ms, // slower, 2x
							led->start_index,
							led->duites_size * 8, // 16 duty entries -> original size * 2, + 6 * 8 zeroes for pause
							0, 0,
							PM_PWM_LUT_LOOP | PM_PWM_LUT_PAUSE_HI_EN);
			}
			pm8xxx_pwm_lut_enable(led->pwm_led, 0);
			pm8xxx_pwm_lut_enable(led->pwm_led, 1);
		} else {
			pwm_config(led->pwm_led, 6400 * led->pwm_coefficient / 100, 6400);
			pwm_enable(led->pwm_led);
		}
	} else {
		if (led->function_flags & LED_BRETH_FUNCTION) {
			buttons_led_is_on = 0;
			wake_lock_timeout(&pmic_led_wake_lock, HZ*2);
			pduties = &dutys_array[8];
			pm8xxx_pwm_lut_config(led->pwm_led,
						led->period_us,
						pduties,
						led->duty_time_ms,
						led->start_index,
						led->duites_size,
						0, 0,
						led->lut_flag);
			pm8xxx_pwm_lut_enable(led->pwm_led, 0);
			pm8xxx_pwm_lut_enable(led->pwm_led, 1);
			queue_delayed_work(g_led_work_queue,
						&led->fade_delayed_work,
						msecs_to_jiffies(led->duty_time_ms*led->duites_size));
		} else {
			pwm_disable(led->pwm_led);
			level = (0 << PM8XXX_DRV_LED_CTRL_SHIFT) & PM8XXX_DRV_LED_CTRL_MASK;
			offset = PM8XXX_LED_OFFSET(led->id);
			led->reg &= ~PM8XXX_DRV_LED_CTRL_MASK;
			led->reg |= level;
			rc = pm8xxx_writeb(led->dev->parent, SSBI_REG_ADDR_LED_CTRL(offset), led->reg);
			if (rc)
				LED_ERR("%s can't set (%d) led value rc=%d\n", __func__, led->id, rc);
		}
	}
}
static int __devinit pm8xxx_led_probe(struct platform_device *pdev)
{
	const struct pm8xxx_led_platform_data *pdata = pdev->dev.platform_data;
	struct pm8xxx_led_configure *curr_led;
	struct pm8xxx_led_data *led, *led_dat;
	int i, j, ret = -ENOMEM;

	if (pdata == NULL) {
		LED_ERR("platform data not supplied\n");
		return -EINVAL;
	}

	led = kcalloc(pdata->num_leds + 1, sizeof(*led), GFP_KERNEL);
	if (led == NULL) {
		LED_ERR("failed to alloc memory\n");
		return -ENOMEM;
	}
	wake_lock_init(&pmic_led_wake_lock, WAKE_LOCK_SUSPEND, "pmic_led");
	g_led_work_queue = create_workqueue("pm8xxx-led");
	if (g_led_work_queue == NULL) {
		LED_ERR("failed to create workqueue\n");
		goto err_create_work_queue;
	}

	for (i = 0; i < pdata->num_leds; i++) {
		curr_led			= &pdata->leds[i];
		led_dat				= &led[i];
		led_dat->cdev.name		= curr_led->name;
		led_dat->id     		= curr_led->flags;
		led_dat->bank			= curr_led->flags;
		led_dat->function_flags		= curr_led->function_flags;
		led_dat->start_index		= curr_led->start_index;
		led_dat->duty_time_ms		= curr_led->duty_time_ms;
		led_dat->period_us		= curr_led->period_us;
		led_dat->duites_size		= curr_led->duites_size;
		led_dat->lut_flag		= curr_led->lut_flag;
		led_dat->out_current		= curr_led->out_current;
		led_dat->duties			= &(curr_led->duties[0]);
		led_dat->led_sync		= curr_led->led_sync;
		led_dat->pwm_led 		= pwm_request(led_dat->bank, led_dat->cdev.name);
		led_dat->lpm_power      = curr_led->lpm_power;
		if (curr_led->duties[1]) {
			for (j = 0; j < 64; j++)
				dutys_array[j] = *(led_dat->duties + j);
		}

		if( curr_led->pwm_coefficient > 0 )
			led_dat->pwm_coefficient	= curr_led->pwm_coefficient;
		else
			led_dat->pwm_coefficient	= 100;

		if (curr_led->blink_duty_per_2sec > 0)
			led_dat->blink_duty_per_2sec = curr_led->blink_duty_per_2sec;
		else
			led_dat->blink_duty_per_2sec = 64000;

		switch (led_dat->id) {
		case PM8XXX_ID_GPIO24:
		case PM8XXX_ID_GPIO25:
		case PM8XXX_ID_GPIO26:
			led_dat->cdev.brightness_set = pm8xxx_led_gpio_set;
			if (curr_led->gpio_status_switch != NULL)
				led_dat->gpio_status_switch = curr_led->gpio_status_switch;
			break;
		case PM8XXX_ID_LED_0:
		case PM8XXX_ID_LED_1:
		case PM8XXX_ID_LED_2:
			led_dat->cdev.brightness_set    = pm8xxx_led_current_set;
			if (led_dat->function_flags & LED_PWM_FUNCTION) {
				led_dat->reg		= pm8xxxx_led_pwm_mode(led_dat->id);
				INIT_DELAYED_WORK(&led[i].fade_delayed_work, led_fade_do_work);
			} else
				led_dat->reg		= PM8XXX_LED_MODE_MANUAL;
			break;
		case PM8XXX_ID_LED_KB_LIGHT:
			break;
		}
		led_dat->cdev.brightness	= LED_OFF;
		led_dat->dev			= &pdev->dev;

		ret = led_classdev_register(&pdev->dev, &led_dat->cdev);
		if (ret) {
			LED_ERR("unable to register led %d,ret=%d\n", led_dat->id, ret);
			goto err_register_led_cdev;
		}

		if (led_dat->id >= PM8XXX_ID_LED_2 && led_dat->id <= PM8XXX_ID_LED_0) {
			ret = device_create_file(led_dat->cdev.dev, &dev_attr_currents);
			if (ret < 0) {
				LED_ERR("%s: Failed to create %d attr currents\n", __func__, i);
				goto err_register_attr_currents;
			}
		}

		if (led_dat->id >= PM8XXX_ID_LED_2 && led_dat->id <= PM8XXX_ID_LED_0) {
			ret = device_create_file(led_dat->cdev.dev, &dev_attr_lut_coefficient);
			if (ret < 0) {
				LED_ERR("%s: Failed to create %d attr lut_coefficient\n", __func__, i);
				goto err_register_attr_lut_coefficient;
			}
		}

		if ((led_dat->id <= PM8XXX_ID_GPIO26) || (led_dat->id <= PM8XXX_ID_LED_2) ||
		    (led_dat->id <= PM8XXX_ID_LED_1)) {
			ret = device_create_file(led_dat->cdev.dev, &dev_attr_pwm_coefficient);
			if (ret < 0) {
				LED_ERR("%s: Failed to create %d attr pwm_coefficient\n", __func__, i);
				goto err_register_attr_pwm_coefficient;
			}
		}
		if (led_dat->function_flags & LED_BLINK_FUNCTION) {
			INIT_DELAYED_WORK(&led[i].blink_delayed_work, led_blink_do_work);
			ret = device_create_file(led_dat->cdev.dev, &dev_attr_blink);
			if (ret < 0) {
				LED_ERR("%s: Failed to create %d attr blink\n", __func__, i);
				goto err_register_attr_blink;
			}

			ret = device_create_file(led_dat->cdev.dev, &dev_attr_off_timer);
			if (ret < 0) {
				LED_ERR("%s: Failed to create %d attr off timer\n", __func__, i);
				goto err_register_attr_off_timer;
			}
			alarm_init(&led[i].led_alarm, ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP, led_alarm_handler);
			INIT_WORK(&led[i].led_work, led_work_func); 
		}

		if (!strcmp(led_dat->cdev.name, "button-backlight")) {
			for_key_led_data = led_dat;
		}
		if (!strcmp(led_dat->cdev.name, "green-back")) {
			LED_INFO("%s: green-back, 000 probe, led_dat = %x\n", __func__, (unsigned int)led_dat);
			green_back_led_data = led_dat;
		}
		if (!strcmp(led_dat->cdev.name, "amber-back")) {
			LED_INFO("%s: amber-back\n", __func__);
			amber_back_led_data = led_dat;
		}

	}

	pm8xxx_leds = led;

	platform_set_drvdata(pdev, led);

	return 0;

err_register_attr_off_timer:
	if (i > 0) {
		for (i = i - 1; i >= 0; i--) {
			if (led[i].function_flags & LED_BLINK_FUNCTION)
				device_remove_file(led[i].cdev.dev, &dev_attr_off_timer);
		}
	}
	i = pdata->num_leds;
err_register_attr_blink:
	if (i > 0) {
		for (i = i - 1; i >= 0; i--) {
			if (led[i].function_flags & LED_BLINK_FUNCTION)
				device_remove_file(led[i].cdev.dev, &dev_attr_blink);
		}
	}
	i = pdata->num_leds;
err_register_attr_pwm_coefficient:
	if (i > 0) {
		for (i = i - 1; i >= 0; i--) {
			if (led[i].function_flags <= PM8XXX_ID_GPIO26)
				device_remove_file(led[i].cdev.dev, &dev_attr_pwm_coefficient);
		}
	}
	i = pdata->num_leds;
err_register_attr_lut_coefficient:
	if (i > 0) {
		for (i = i - 1; i >= 0; i--) {
			if (led[i].function_flags >= PM8XXX_ID_LED_2 && led[i].function_flags <= PM8XXX_ID_LED_0)
				device_remove_file(led[i].cdev.dev, &dev_attr_lut_coefficient);
		}
	}
	i = pdata->num_leds;

err_register_attr_currents:
	if (i > 0) {
		for (i = i - 1; i >= 0; i--) {
			if (led[i].function_flags >= PM8XXX_ID_LED_2 && led[i].function_flags <= PM8XXX_ID_LED_0)
				device_remove_file(led[i].cdev.dev, &dev_attr_currents);
		}
	}
	i = pdata->num_leds;
err_register_led_cdev:
	if (i > 0) {
		for (i = i - 1; i >= 0; i--) {
			pwm_free(led[i].pwm_led);
			led_classdev_unregister(&led[i].cdev);
		}
	}
	destroy_workqueue(g_led_work_queue);
err_create_work_queue:
	kfree(led);
	wake_lock_destroy(&pmic_led_wake_lock);
	return ret;
}
static ssize_t pm8xxx_led_blink_store(struct device *dev,
				       struct device_attribute *attr,
				       const char *buf, size_t count)
{
	struct led_classdev *led_cdev;
	struct pm8xxx_led_data *ldata;
	int val;
	int level, offset;

	val = -1;
	sscanf(buf, "%u", &val);
	if (val < 0 || val > 255)
		return -EINVAL;
	current_blink= val;
	led_cdev = (struct led_classdev *) dev_get_drvdata(dev);
	ldata = container_of(led_cdev, struct pm8xxx_led_data, cdev);

	LED_INFO("%s: bank %d blink %d sync %d\n", __func__, ldata->bank, val, ldata->led_sync);

	switch (val) {
	case BLINK_STOP:
		if (ldata->gpio_status_switch != NULL)
			ldata->gpio_status_switch(0);
		pwm_disable(ldata->pwm_led);

		if(ldata->led_sync) {
			if 	(!strcmp(ldata->cdev.name, "green")) {
				if (green_back_led_data->gpio_status_switch != NULL)
					green_back_led_data->gpio_status_switch(0);
				pwm_disable(green_back_led_data->pwm_led);
			}
			if 	(!strcmp(ldata->cdev.name, "amber")) {
				if (amber_back_led_data->gpio_status_switch != NULL)
					amber_back_led_data->gpio_status_switch(0);
				pwm_disable(amber_back_led_data->pwm_led);
			}
		}
		break;
	case BLINK_UNCHANGE:
		pwm_disable(ldata->pwm_led);
		if (led_cdev->brightness) {
			if (ldata->gpio_status_switch != NULL)
				ldata->gpio_status_switch(1);
			pwm_config(ldata->pwm_led, 6400 * ldata->pwm_coefficient / 100, 6400);
			pwm_enable(ldata->pwm_led);

			if(ldata->led_sync) {
				if	(!strcmp(ldata->cdev.name, "green")) {
					if (green_back_led_data->gpio_status_switch != NULL)
						green_back_led_data->gpio_status_switch(1);
					pwm_config(green_back_led_data->pwm_led, 64000, 64000);
					pwm_enable(green_back_led_data->pwm_led);
				}
				if	(!strcmp(ldata->cdev.name, "amber")) {
					if (amber_back_led_data->gpio_status_switch != NULL)
						amber_back_led_data->gpio_status_switch(1);
					pwm_config(amber_back_led_data->pwm_led, 64000, 64000);
					pwm_enable(amber_back_led_data->pwm_led);
				}
			}
		} else {
			pwm_disable(ldata->pwm_led);
			if (ldata->gpio_status_switch != NULL)
				ldata->gpio_status_switch(0);

			if(ldata->led_sync) {
				if (!strcmp(ldata->cdev.name, "green")){
					if (green_back_led_data->gpio_status_switch != NULL)
						green_back_led_data->gpio_status_switch(0);
					pwm_disable(green_back_led_data->pwm_led);
					level = ( 0 << PM8XXX_DRV_LED_CTRL_SHIFT) & PM8XXX_DRV_LED_CTRL_MASK;
					offset = PM8XXX_LED_OFFSET(green_back_led_data->id);
					green_back_led_data->reg &= ~PM8XXX_DRV_LED_CTRL_MASK;
					green_back_led_data->reg |= level;
					pm8xxx_writeb(green_back_led_data->dev->parent, SSBI_REG_ADDR_LED_CTRL(offset), green_back_led_data->reg);
				}
				if (!strcmp(ldata->cdev.name, "amber")){
					if (amber_back_led_data->gpio_status_switch != NULL)
						amber_back_led_data->gpio_status_switch(0);
					pwm_disable(amber_back_led_data->pwm_led);
					level = ( 0 << PM8XXX_DRV_LED_CTRL_SHIFT) & PM8XXX_DRV_LED_CTRL_MASK;
					offset = PM8XXX_LED_OFFSET(amber_back_led_data->id);
					amber_back_led_data->reg &= ~PM8XXX_DRV_LED_CTRL_MASK;
					amber_back_led_data->reg |= level;
					pm8xxx_writeb(amber_back_led_data->dev->parent, SSBI_REG_ADDR_LED_CTRL(offset), amber_back_led_data->reg);
				}
			}
		}
		break;
	case BLINK_64MS_PER_2SEC:
		if (ldata->gpio_status_switch != NULL)
			ldata->gpio_status_switch(1);
		pwm_disable(ldata->pwm_led);
		pwm_config(ldata->pwm_led, ldata->blink_duty_per_2sec, 2000000);
		pwm_enable(ldata->pwm_led);

		if(ldata->led_sync) {
			if	(!strcmp(ldata->cdev.name, "green")) {
				if (green_back_led_data->gpio_status_switch != NULL)
					green_back_led_data->gpio_status_switch(1);
				pwm_disable(green_back_led_data->pwm_led);
				pwm_config(green_back_led_data->pwm_led, ldata->blink_duty_per_2sec, 2000000);
				pwm_enable(green_back_led_data->pwm_led);
			}
			if	(!strcmp(ldata->cdev.name, "amber")) {
				if (amber_back_led_data->gpio_status_switch != NULL)
					amber_back_led_data->gpio_status_switch(1);
				pwm_disable(amber_back_led_data->pwm_led);
				pwm_config(amber_back_led_data->pwm_led, ldata->blink_duty_per_2sec, 2000000);
				pwm_enable(amber_back_led_data->pwm_led);
			}
		}
		break;
	case BLINK_64MS_ON_310MS_PER_2SEC:
		cancel_delayed_work_sync(&ldata->blink_delayed_work);
		pwm_disable(ldata->pwm_led);
		ldata->duty_time_ms = 64;
		ldata->period_us = 2000000;

		if(ldata->led_sync) {
			if	(!strcmp(ldata->cdev.name, "green")) {
				pwm_disable(green_back_led_data->pwm_led);
				green_back_led_data->duty_time_ms = 64;
				green_back_led_data->period_us = 2000000;
			}
			if	(!strcmp(ldata->cdev.name, "amber")) {
				pwm_disable(amber_back_led_data->pwm_led);
				amber_back_led_data->duty_time_ms = 64;
				amber_back_led_data->period_us = 2000000;
			}
		}
		queue_delayed_work(g_led_work_queue, &ldata->blink_delayed_work,
				   msecs_to_jiffies(310));
		break;
	case BLINK_64MS_ON_2SEC_PER_2SEC:
		cancel_delayed_work_sync(&ldata->blink_delayed_work);
		pwm_disable(ldata->pwm_led);
		ldata->duty_time_ms = 64;
		ldata->period_us = 2000000;

		if(ldata->led_sync) {
			if	(!strcmp(ldata->cdev.name, "green")) {
				pwm_disable(green_back_led_data->pwm_led);
				green_back_led_data->duty_time_ms = 64;
				green_back_led_data->period_us = 2000000;
			}
			if	(!strcmp(ldata->cdev.name, "amber")) {
				pwm_disable(amber_back_led_data->pwm_led);
				amber_back_led_data->duty_time_ms = 64;
				amber_back_led_data->period_us = 2000000;
			}
		}
		queue_delayed_work(g_led_work_queue, &ldata->blink_delayed_work,
				   msecs_to_jiffies(1000));
		break;
	case BLINK_1SEC_PER_2SEC:
		pwm_disable(ldata->pwm_led);
		pwm_config(ldata->pwm_led, 1000000, 2000000);
		pwm_enable(ldata->pwm_led);

		if(ldata->led_sync) {
			if	(!strcmp(ldata->cdev.name, "green")) {
				pwm_disable(green_back_led_data->pwm_led);
				pwm_config(green_back_led_data->pwm_led, 1000000, 2000000);
				pwm_enable(green_back_led_data->pwm_led);
			}
			if	(!strcmp(ldata->cdev.name, "amber")) {
				pwm_disable(amber_back_led_data->pwm_led);
				pwm_config(amber_back_led_data->pwm_led, 1000000, 2000000);
				pwm_enable(amber_back_led_data->pwm_led);
			}
		}
		break;
	default:
		LED_ERR("%s: bank %d did not support blink type %d\n", __func__, ldata->bank, val);
		return -EINVAL;
	}

	return count;
}
Ejemplo n.º 4
0
static int __devinit pm8xxx_led_probe(struct platform_device *pdev)
{
	const struct pm8xxx_led_platform_data *pdata = pdev->dev.platform_data;
	struct pm8xxx_led_configure *curr_led;
	struct pm8xxx_led_data *led, *led_dat;
	int i, ret = -ENOMEM;

	if (pdata == NULL) {
		LED_ERR("platform data not supplied\n");
		return -EINVAL;
	}

	/* Let the last member of the list be zero to
	 * mark the end of the list.
	 */
	led = kcalloc(pdata->num_leds + 1, sizeof(*led), GFP_KERNEL);
	if (led == NULL) {
		LED_ERR("failed to alloc memory\n");
		return -ENOMEM;
	}

	g_led_work_queue = create_workqueue("pm8xxx-led");
	if (g_led_work_queue == NULL) {
		LED_ERR("failed to create workqueue\n");
		goto err_create_work_queue;
	}

	for (i = 0; i < pdata->num_leds; i++) {
		curr_led			= &pdata->leds[i];
		led_dat				= &led[i];
		led_dat->cdev.name		= curr_led->name;
		led_dat->id     		= curr_led->flags;
		led_dat->bank			= curr_led->flags;
		led_dat->function_flags		= curr_led->function_flags;
		led_dat->start_index		= curr_led->start_index;
		led_dat->duty_time_ms		= curr_led->duty_time_ms;
		led_dat->period_us		= curr_led->period_us;
		led_dat->duites_size		= curr_led->duites_size;
		led_dat->lut_flag		= curr_led->lut_flag;
		led_dat->out_current		= curr_led->out_current;
		led_dat->duties			= &(curr_led->duties[0]);
		led_dat->pwm_led 		= pwm_request(led_dat->bank, led_dat->cdev.name);

		switch (led_dat->id) {
		case PM8XXX_ID_GPIO24:
		case PM8XXX_ID_GPIO25:
		case PM8XXX_ID_GPIO26:
			led_dat->cdev.brightness_set = pm8xxx_led_gpio_set;
			if (curr_led->gpio_status_switch != NULL)
				led_dat->gpio_status_switch = curr_led->gpio_status_switch;
			break;
		case PM8XXX_ID_LED_0:
		case PM8XXX_ID_LED_1:
		case PM8XXX_ID_LED_2:
			led_dat->cdev.brightness_set    = pm8xxx_led_current_set;
			if (led_dat->function_flags & LED_PWM_FUNCTION) {
				led_dat->reg		= pm8xxxx_led_pwm_mode(led_dat->id);
				INIT_DELAYED_WORK(&led[i].fade_delayed_work, led_fade_do_work);
			} else
				led_dat->reg		= PM8XXX_LED_MODE_MANUAL;
			break;
		case PM8XXX_ID_LED_KB_LIGHT:
			break;
		}
		led_dat->cdev.brightness	= LED_OFF;
		led_dat->dev			= &pdev->dev;

		ret = led_classdev_register(&pdev->dev, &led_dat->cdev);
		if (ret) {
			LED_ERR("unable to register led %d,ret=%d\n", led_dat->id, ret);
			goto err_register_led_cdev;
		}

		if (led_dat->id >= PM8XXX_ID_LED_2 && led_dat->id <= PM8XXX_ID_LED_0) {
			ret = device_create_file(led_dat->cdev.dev, &dev_attr_currents);
			if (ret < 0) {
				LED_ERR("%s: Failed to create %d attr currents\n", __func__, i);
				goto err_register_attr_currents;
			}
		}

		if (led_dat->function_flags & LED_BLINK_FUNCTION) {
			INIT_DELAYED_WORK(&led[i].blink_delayed_work, led_blink_do_work);
			ret = device_create_file(led_dat->cdev.dev, &dev_attr_blink);
			if (ret < 0) {
				LED_ERR("%s: Failed to create %d attr blink\n", __func__, i);
				goto err_register_attr_blink;
			}

			ret = device_create_file(led_dat->cdev.dev, &dev_attr_off_timer);
			if (ret < 0) {
				LED_ERR("%s: Failed to create %d attr off timer\n", __func__, i);
				goto err_register_attr_off_timer;
			}
			alarm_init(&led[i].led_alarm, ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP, led_alarm_handler);
			INIT_WORK(&led[i].led_work, led_work_func); /*Off blink after alarm*/
		}

		if(led_dat->id == PM8XXX_ID_LED_0)
		{
			for_key_led_data = led_dat;
		}
	}

	pm8xxx_leds = led;

	platform_set_drvdata(pdev, led);

	return 0;

err_register_attr_off_timer:
	if (i > 0) {
		for (i = i - 1; i >= 0; i--) {
			if (led[i].function_flags & LED_BLINK_FUNCTION)
				device_remove_file(led[i].cdev.dev, &dev_attr_off_timer);
		}
	}
	i = pdata->num_leds;
err_register_attr_blink:
	if (i > 0) {
		for (i = i - 1; i >= 0; i--) {
			if (led[i].function_flags & LED_BLINK_FUNCTION)
				device_remove_file(led[i].cdev.dev, &dev_attr_blink);
		}
	}
	i = pdata->num_leds;
err_register_attr_currents:
	if (i > 0) {
		for (i = i - 1; i >= 0; i--) {
			if (led[i].function_flags >= PM8XXX_ID_LED_2 && led[i].function_flags <= PM8XXX_ID_LED_0)
				device_remove_file(led[i].cdev.dev, &dev_attr_currents);
		}
	}
	i = pdata->num_leds;
err_register_led_cdev:
	if (i > 0) {
		for (i = i - 1; i >= 0; i--) {
			pwm_free(led[i].pwm_led);
			led_classdev_unregister(&led[i].cdev);
		}
	}
	destroy_workqueue(g_led_work_queue);
err_create_work_queue:
	kfree(led);
	return ret;
}
Ejemplo n.º 5
0
static ssize_t pm8xxx_led_blink_store(struct device *dev,
				       struct device_attribute *attr,
				       const char *buf, size_t count)
{
	struct led_classdev *led_cdev;
	struct pm8xxx_led_data *ldata;
	int val;

	val = -1;
	sscanf(buf, "%u", &val);
	if (val < 0 || val > 255)
		return -EINVAL;

	led_cdev = (struct led_classdev *) dev_get_drvdata(dev);
	ldata = container_of(led_cdev, struct pm8xxx_led_data, cdev);

	LED_INFO("%s: bank %d blink %d\n", __func__, ldata->bank, val);

	switch (val) {
	case BLINK_STOP:
		if (ldata->gpio_status_switch != NULL)
			ldata->gpio_status_switch(0);
		pwm_disable(ldata->pwm_led);
		break;
	case BLINK_UNCHANGE:
		pwm_disable(ldata->pwm_led);
		if (led_cdev->brightness) {
			if (ldata->gpio_status_switch != NULL)
				ldata->gpio_status_switch(1);
			pwm_config(ldata->pwm_led, 64000, 64000);
			pwm_enable(ldata->pwm_led);
		} else {
			pwm_disable(ldata->pwm_led);
			if (ldata->gpio_status_switch != NULL)
				ldata->gpio_status_switch(0);
		}
		break;
	case BLINK_64MS_PER_2SEC:
		if (ldata->gpio_status_switch != NULL)
			ldata->gpio_status_switch(1);
		pwm_disable(ldata->pwm_led);
		pwm_config(ldata->pwm_led, 64000, 2000000);
		pwm_enable(ldata->pwm_led);
		break;
	case BLINK_64MS_ON_310MS_PER_2SEC:
		cancel_delayed_work_sync(&ldata->blink_delayed_work);
		pwm_disable(ldata->pwm_led);
		ldata->duty_time_ms = 64;
		ldata->period_us = 2000000;
		queue_delayed_work(g_led_work_queue, &ldata->blink_delayed_work,
				   msecs_to_jiffies(310));
		break;
	case BLINK_64MS_ON_2SEC_PER_2SEC:
		cancel_delayed_work_sync(&ldata->blink_delayed_work);
		pwm_disable(ldata->pwm_led);
		ldata->duty_time_ms = 64;
		ldata->period_us = 2000000;
		queue_delayed_work(g_led_work_queue, &ldata->blink_delayed_work,
				   msecs_to_jiffies(1000));
		break;
	case BLINK_1SEC_PER_2SEC:
		pwm_disable(ldata->pwm_led);
		pwm_config(ldata->pwm_led, 1000000, 2000000);
		pwm_enable(ldata->pwm_led);
		break;
	default:
		LED_ERR("%s: bank %d did not support blink type %d\n", __func__, ldata->bank, val);
		return -EINVAL;
	}

	return count;
}
Ejemplo n.º 6
0
static void pm8xxx_led_current_set(struct led_classdev *led_cdev, enum led_brightness brightness)
{
	struct pm8xxx_led_data *led = container_of(led_cdev,  struct pm8xxx_led_data, cdev);
	int rc, offset;
	u8 level;

	int *pduties;

	LED_INFO("%s, bank:%d, brightness:%d\n", __func__, led->bank, brightness);
	cancel_delayed_work_sync(&led->fade_delayed_work);
	virtual_key_state = brightness;
	if (flag_hold_virtual_key == 1) {
		LED_INFO("%s, key control \n", __func__);
		return;
	}

	if(brightness) {
		level = (led->out_current << PM8XXX_DRV_LED_CTRL_SHIFT) & PM8XXX_DRV_LED_CTRL_MASK;

		offset = PM8XXX_LED_OFFSET(led->id);
		led->reg &= ~PM8XXX_DRV_LED_CTRL_MASK;
		led->reg |= level;
		rc = pm8xxx_writeb(led->dev->parent, SSBI_REG_ADDR_LED_CTRL(offset), led->reg);
		if (rc)
			LED_ERR("%s can't set (%d) led value rc=%d\n", __func__, led->id, rc);

		if (led->function_flags & LED_BRETH_FUNCTION) {
			pduties = led->duties;
			pm8xxx_pwm_lut_config(led->pwm_led,
						led->period_us,
						pduties,
						led->duty_time_ms,
						led->start_index,
						led->duites_size,
						0, 0,
						led->lut_flag);
			pm8xxx_pwm_lut_enable(led->pwm_led, 0);
			pm8xxx_pwm_lut_enable(led->pwm_led, 1);
		} else {
			pwm_config(led->pwm_led, 64000, 64000);
			pwm_enable(led->pwm_led);
		}
	} else {
		if (led->function_flags & LED_BRETH_FUNCTION) {
			pduties = led->duties + led->duites_size;
			pm8xxx_pwm_lut_config(led->pwm_led,
						led->period_us,
						pduties,
						led->duty_time_ms,
						led->start_index,
						led->duites_size,
						0, 0,
						led->lut_flag);
			pm8xxx_pwm_lut_enable(led->pwm_led, 0);
			pm8xxx_pwm_lut_enable(led->pwm_led, 1);
			queue_delayed_work(g_led_work_queue,
						&led->fade_delayed_work,
						msecs_to_jiffies(led->duty_time_ms*led->duites_size));
		} else {
			pwm_disable(led->pwm_led);
			level = (0 << PM8XXX_DRV_LED_CTRL_SHIFT) & PM8XXX_DRV_LED_CTRL_MASK;
			offset = PM8XXX_LED_OFFSET(led->id);
			led->reg &= ~PM8XXX_DRV_LED_CTRL_MASK;
			led->reg |= level;
			rc = pm8xxx_writeb(led->dev->parent, SSBI_REG_ADDR_LED_CTRL(offset), led->reg);
			if (rc)
				LED_ERR("%s can't set (%d) led value rc=%d\n", __func__, led->id, rc);
		}
	}
}