PINGPONG_BUFFER   284 drivers/staging/rts5208/rtsx_card.h #define PINGPONG_BUFFER		0x01
PINGPONG_BUFFER   413 include/linux/rtsx_pci.h #define   PINGPONG_BUFFER		0x01
PINGPONG_BUFFER   479 include/linux/rtsx_usb.h #define PINGPONG_BUFFER			0x01