VIVS_PM_POWER_CONTROLS_ENABLE_MODULE_CLOCK_GATING
val &= ~VIVS_PM_POWER_CONTROLS_ENABLE_MODULE_CLOCK_GATING;
val |= VIVS_PM_POWER_CONTROLS_ENABLE_MODULE_CLOCK_GATING;
ppc |= VIVS_PM_POWER_CONTROLS_ENABLE_MODULE_CLOCK_GATING;