SYSTEM_CTRL_DE_FIFO_EMPTY 530 drivers/staging/sm750fb/sm750_hw.c SYSTEM_CTRL_DE_FIFO_EMPTY | SYSTEM_CTRL_DE_FIFO_EMPTY 537 drivers/staging/sm750fb/sm750_hw.c (SYSTEM_CTRL_DE_FIFO_EMPTY | SYSTEM_CTRL_DE_MEM_FIFO_EMPTY))