Global CS42888_SetFuncMode (cs42888_handle_t *handle, cs42888_func_mode mode): api, Do not use it anymore. It has been superceded by CS42888_SelectFunctionalMode.
Global RTC_SetClockSource (RTC_Type *base): Do not use this function. It has been superceded by RTC_EnableOscillatorClock
Global WM8904_SetMasterSlave (wm8904_handle_t *handle, bool master): DO NOT USE THIS API ANYMORE. IT HAS BEEN SUPERCEDED BY WM8904_SetMasterClock