bool Hwcomposer::setActiveConfig(int disp, int index) { RETURN_FALSE_IF_NOT_INIT(); if (disp < 0 || disp >= IDisplayDevice::DEVICE_COUNT) { ELOGTRACE("invalid disp %d", disp); return false; } IDisplayDevice *device = mDisplayDevices.itemAt(disp); if (!device) { ELOGTRACE("no device found"); return false; } return device->setActiveConfig(index); }