CX18_AI1_MUX_MASK   16 drivers/media/pci/cx18/cx18-audio.c #define CX18_AI1_MUX_MASK    0x30
CX18_AI1_MUX_MASK   14 drivers/media/pci/cx18/cx18-av-firmware.c #define CX18_AI1_MUX_MASK    0x30