mt2503 mt6261平台ISINK Attentions

[DESCRIPTION]
MT6261平台ISINK Attentions
[SOLUTION]
61平台物理上有一路ISINK输出，输出电流最大可达96ma.软件配置上有两路ISINK，ISINK0和ISINK1，每一路最大输出电流48ma.
ISINK控制参照如下：
DCL_HANDLE handle;
PMU_CTRL_ISINK_SET_EN isink_en;
PMU_CTRL_ISINK_SET_STEP isinkCtrl;
PMU_CTRL_ISINK_SET_MODE isinkCtrlMode;
handle = DclPMU_Open(DCL_PMU, FLAGS_NONE);
//isinks to set pwm/register mode
isinkCtrlMode.isink = ISINKS;
isinkCtrlMode.mode = ISINK_REGISTER_CTRL_MODE;
DclPMU_Control(handle, ISINK_SET_MODE, (DCL_CTRL_DATA_T *)&isinkCtrlMode);
//isink 0
isinkCtrl.isink = ISINK0;
isinkCtrl.step = ISINK0_STEP;
DclPMU_Control(handle, ISINK_SET_STEP, (DCL_CTRL_DATA_T *)&isinkCtrl);
//isink 1
isinkCtrl.isink = ISINK1;
isinkCtrl.step = ISINK1_STEP;
DclPMU_Control(handle, ISINK_SET_STEP, (DCL_CTRL_DATA_T *)&isinkCtrl);
// ISINK0
isink_en.isink = ISINK0;
isink_en.enable = ISINK0_EN;
DclPMU_Control(handle, ISINK_SET_EN, (DCL_CTRL_DATA_T *)&isink_en);
// ISINK1
isink_en.isink = ISINK1;
isink_en.enable = ISINK1_EN;
DclPMU_Control(handle, ISINK_SET_EN, (DCL_CTRL_DATA_T *)&isink_en);
DclPMU_Close(handle);