2.4' TFT touch not Working

hello friends im new to tft displays.i have purchase 2.4' TFT but its touch not Working,tried lot but not able detect exact library. its tft id is 0x7575.on graphics test working fine but when i suppose to calibrate or use touch its not responding. please suggest me any changes in .cpp or .h file in any of library which will work with it. HX8347G is the LCD Driver.