chnl              946 dev/ic/atwreg.h #define ATW_SR_TXPOWER(chnl)		(0x54/2 + ((chnl) - 1)/2)
chnl              948 dev/ic/atwreg.h #define ATW_SR_LPF_CUTOFF(chnl)		(0x62/2 + ((chnl) - 1)/2)
chnl              950 dev/ic/atwreg.h #define ATW_SR_LNA_GS_THRESH(chnl)	(0x70/2 + ((chnl) - 1)/2)