[SER_HID_CHIP_UNKNOWN] = NULL,
[SER_HID_CHIP_BTC_BU86X] = &ser_hid_chip_funcs_bu86x,
[SER_HID_CHIP_SIL_CP2110] = &ser_hid_chip_funcs_cp2110,
[SER_HID_CHIP_UNKNOWN] = NULL,
[SER_HID_CHIP_BTC_BU86X] = &ser_hid_chip_funcs_bu86x,
[SER_HID_CHIP_SIL_CP2110] = &ser_hid_chip_funcs_cp2110,