AK4117_FS2
#define AK4117_FS_176400HZ (AK4117_FS3|AK4117_FS2)
#define AK4117_FS_192000HZ (AK4117_FS3|AK4117_FS2|AK4117_FS1)
switch (rcs1 & (AK4117_FS0|AK4117_FS1|AK4117_FS2|AK4117_FS3)) {