buffer_addx 2798 sound/pci/hda/patch_ca0132.c unsigned char *buffer_addx; buffer_addx 2848 sound/pci/hda/patch_ca0132.c buffer_addx = dma_get_buffer_addr(dma_engine); buffer_addx 2850 sound/pci/hda/patch_ca0132.c if (buffer_addx == NULL) {