Пример #1
0
static void msm_keypad_bl_led_set(struct led_classdev *led_cdev,
	enum led_brightness value)
{
#ifdef CONFIG_HUAWEI_LEDS_PMIC
    int ret = 0;
    if(machine_is_msm7x30_u8800()) 
    {
	  if(disable_keypad_leds) value = 0;
      ret = pmic_set_led_intensity(LED_KEYPAD, value / LED_FULL);
    }
        
    if(machine_is_msm7x30_u8820())
    {   
      ret = pmic_set_mpp6_led_intensity(value / LED_FULL);
    }
    if (ret)
		dev_err(led_cdev->dev, "can't set keypad backlight\n");
#else
	int ret;

	ret = pmic_set_led_intensity(LED_KEYPAD, value / MAX_KEYPAD_BL_LEVEL);
	if (ret)
		dev_err(led_cdev->dev, "can't set keypad backlight\n");
#endif
}
Пример #2
0
/*configure GPIO 25 Of PIMIC as PWM to driver LED*/
int led_pwm_gpio_config(void)
{
    int rc;
    struct pm_gpio backlight_drv = 
    {
        .direction      = PM_GPIO_DIR_OUT,
        .output_buffer  = PM_GPIO_OUT_BUF_CMOS,
        .output_value   = 0,
        .pull           = PM_GPIO_PULL_NO,
        .vin_sel        = 0,
        .out_strength   = PM_GPIO_STRENGTH_HIGH,
        .function       = PM_GPIO_FUNC_2,
        .inv_int_pol 	= 1,
    };
    if(machine_is_msm8255_u8860lp()
    || machine_is_msm8255_u8860_r()
	 ||machine_is_msm8255_u8860_51())
    {
        rc = pm8xxx_gpio_config( 24, &backlight_drv);
    }
    else
    {
        rc = -1;
    }
	
    if (rc) 
    {
        pr_err("%s LED backlight GPIO config failed\n", __func__);
        return rc;
    }
    return 0;
}
#endif

static void msm_keypad_bl_led_set(struct led_classdev *led_cdev,
	enum led_brightness value)
{
#ifdef CONFIG_HUAWEI_LEDS_PMIC
    int ret = 0;
/* 7x27a platform use mpp7 as keypad backlight */
	#ifdef CONFIG_ARCH_MSM7X27A
	    if(machine_is_msm7x27a_C8820())
	    {
	        ret = pmic_secure_mpp_config_i_sink(PM_MPP_7, PM_MPP__I_SINK__LEVEL_5mA, \
	            (!!value) ? PM_MPP__I_SINK__SWITCH_ENA : PM_MPP__I_SINK__SWITCH_DIS);
	    }
	    else
	    {
	        /* use pwm to control the brightness of keypad backlight*/
	        /* make sure the led is drived by pwm when */
	        /* the system sleep indicator switch is on */
	        pmapp_button_backlight_init();

	        ret = pmapp_button_backlight_set_brightness(value);
	    }
	#else
	    if(machine_is_msm7x30_u8800() || machine_is_msm7x30_u8800_51() || machine_is_msm8255_u8800_pro() ) 
	    {
	      ret = pmic_set_led_intensity(LED_KEYPAD, !( ! value));
	    }
	    else if( machine_is_msm8255_u8860lp()	
        || machine_is_msm8255_u8860_r()
		       ||machine_is_msm8255_u8860_51())
	    {
	        pwm_config(bl_pwm, LED_PWM_DUTY_LEVEL*value/NSEC_PER_USEC, LED_PWM_PERIOD/NSEC_PER_USEC);
	        pwm_enable(bl_pwm);
	    }
	    else if(machine_is_msm7x30_u8820()
		    || (machine_is_msm8255_u8730()))
	    {   
	      ret = pmic_set_mpp6_led_intensity(!( ! value));
	    }
		/*< when the value between 0 and 255,set the key brightness is LED_BRIGHRNESS_LEVEL or set the brightness is 0 */
		else if( machine_is_msm8255_u8860() 
		      || machine_is_msm8255_c8860() 
			  || machine_is_msm8255_u8860_92())
		{
	       if(LED_BRIGHTNESS_OFF >= value || LED_PWM_LEVEL < value )
	       {
		   	   ret = pmic_set_keyled_intensity(LED_KEYPAD,LED_BRIGHTNESS_OFF  );
	       }
		   else 
		   {
		   	   ret = pmic_set_keyled_intensity(LED_KEYPAD, LED_BRIGHTNESS_LEVEL);
		   }
		}
    else if(machine_is_msm8255_u8680())
    {   
	    /* Set keypad led brightness level 12 for U8680 */
        if(LED_BRIGHTNESS_OFF >= value || LED_PWM_LEVEL < value)
        {
            ret = pmic_set_keyled_intensity(LED_KEYPAD,LED_BRIGHTNESS_OFF);
        }
        else 
        {
            ret = pmic_set_keyled_intensity(LED_KEYPAD, LED_BRIGHTNESS_LEVEL_U8680);
        }	
    }
    else if(machine_is_msm8255_u8667())
    {   
        /* Set keypad led brightness level 16 for U8667 */
        if(LED_BRIGHTNESS_OFF >= value || LED_PWM_LEVEL < value)
        {
            ret = pmic_set_keyled_intensity(LED_KEYPAD, LED_BRIGHTNESS_OFF);
        }
        else 
        {
            ret = pmic_set_keyled_intensity(LED_KEYPAD, LED_BRIGHTNESS_LEVEL_U8667);
        }	
    }
	#endif
    if (ret)
		dev_err(led_cdev->dev, "can't set keypad backlight\n");
#else
	int ret;

	ret = pmic_set_led_intensity(LED_KEYPAD, value / MAX_KEYPAD_BL_LEVEL);
	if (ret)
		dev_err(led_cdev->dev, "can't set keypad backlight\n");
#endif
}
Пример #3
0
int backlight_pwm_gpio_config(void)
{
    int rc;
	struct pm8058_gpio backlight_drv = 
	{
		.direction      = PM_GPIO_DIR_OUT,
		.output_buffer  = PM_GPIO_OUT_BUF_CMOS,
		.output_value   = 0,
		.pull           = PM_GPIO_PULL_NO,
		.vin_sel        = 0,
		.out_strength   = PM_GPIO_STRENGTH_HIGH,
		.function       = PM_GPIO_FUNC_2,
		.inv_int_pol 	= 1,
	};
	/* U8800 use PM_GPIO25 as backlight's PWM,but U8820 use PM_GPIO26 */
    if(machine_is_msm7x30_u8800() || machine_is_msm7x30_u8800_51() || machine_is_msm8255_u8800_pro())
	{
        rc = pm8058_gpio_config( 24, &backlight_drv);
    }
    else if(machine_is_msm7x30_u8820()) 
    {
    	rc = pm8058_gpio_config( 25, &backlight_drv);
    }
	else
	{
    	rc = -1;
	}
	
    if (rc) 
	{
		pr_err("%s LCD backlight GPIO config failed\n", __func__);
		return rc;
	}
    return 0;
}
#ifndef CONFIG_HUAWEI_LEDS_PMIC
void touchkey_setbacklight(int level)
{
    if(machine_is_msm7x30_u8800() || machine_is_msm7x30_u8800_51() || machine_is_msm8255_u8800_pro()) 
	{
		pmic_set_led_intensity(LED_KEYPAD, level);
	}

    if(machine_is_msm7x30_u8820())
    {   
		/*if the machine is U8820 use the mpp6 for touchkey backlight*/
        pmic_set_mpp6_led_intensity(level);
    }

}
#endif
void pwm_set_backlight (struct msm_fb_data_type * mfd)
{
	int bl_level = mfd->bl_level;
	/*config PM GPIO25 as PWM and request PWM*/
	if(TRUE == first_set_bl)
	{
	    backlight_pwm_gpio_config();
		/* U8800 use PM_GPIO25 as backlight's PWM,but U8820 use PM_GPIO26 */
		if(machine_is_msm7x30_u8800() || machine_is_msm7x30_u8800_51() || machine_is_msm8255_u8800_pro())
		{
			bl_pwm = pwm_request(PM_GPIO25_PWM_ID, "backlight");
		}
		else if(machine_is_msm7x30_u8820())
		{
			bl_pwm = pwm_request(PM_GPIO26_PWM_ID, "backlight");
		}
		else
		{
			bl_pwm = NULL;
		}
		
	    if (NULL == bl_pwm || IS_ERR(bl_pwm)) 
		{
	    	pr_err("%s: pwm_request() failed\n", __func__);
	    	bl_pwm = NULL;
	    }
	    first_set_bl = FALSE;

	}
	if (bl_pwm) 
	{
		/* keep duty 10% < level < 90% */
		if (bl_level)
		{
			bl_level = ((bl_level * PWM_LEVEL_ADJUST) / PWM_LEVEL + ADD_VALUE); 
			if (bl_level < BL_MIN_LEVEL)
			{
				bl_level = BL_MIN_LEVEL;
			}
		}
		pwm_config(bl_pwm, PWM_DUTY_LEVEL*bl_level/NSEC_PER_USEC, PWM_PERIOD/NSEC_PER_USEC);
		pwm_enable(bl_pwm);
	}
#ifndef CONFIG_HUAWEI_LEDS_PMIC
	touchkey_setbacklight(!!bl_level);
#endif

}