VFF_4G_EN_B       156 drivers/dma/mediatek/mtk-uart-apdma.c 			mtk_uart_apdma_write(c, VFF_4G_SUPPORT, VFF_4G_EN_B);
VFF_4G_EN_B       199 drivers/dma/mediatek/mtk-uart-apdma.c 			mtk_uart_apdma_write(c, VFF_4G_SUPPORT, VFF_4G_EN_B);