6575怎么单独操作ISINK2(N13)脚?
if (pmic_type == MT65XX_LED_PMIC_LCD_ISINK)
{
if(backlight_init_flag[0] == false)
{
hwBacklightISINKTuning(1, PMIC_PWM_0, 0x3, 0);
hwBacklightISINKTuning(2, PMIC_PWM_0, 0x3, 0);
hwBacklightISINKTuning(3, PMIC_PWM_0, 0x3, 0);
backlight_init_flag[0] = true;
}
if (level)
{
level = brightness_mapping(tmp_level);
if(level == ERROR_BL_LEVEL)
level = tmp_level/17;
hwPWMsetting(PMIC_PWM_0, level, div);
upmu_top2_bst_drv_ck_pdn(0x0);
hwBacklightISINKTurnOn(1);
hwBacklightISINKTurnOn(2);
hwBacklightISINKTurnOn(3);
bl_duty = level;
}
else
{
hwBacklightISINKTurnOff(1);
hwBacklightISINKTurnOff(2);
hwBacklightISINKTurnOff(3);
bl_duty = level;
}
return 0;
}
感觉是用的这个,来控制的。
hwPWMsetting(PMIC_PWM_0, level, div);
upmu_top2_bst_drv_ck_pdn(0x0);
hwBacklightISINKTurnOn(2);
hwBacklightISINKTurnOff(2);
ISINK可以用来点亮LED指示灯吗?菜鸟求问LZ.
这个可以的 前两天我们做的一个项目 两个状态灯用的都是isink控制的 可以单独控制
