config_get channel "$device" channel
config_get hwmode "$device" hwmode
case "$hwmode" in
- *bg) hwmode=g;;
+ *bg|*gdt|*gst|*fh) hwmode=g;;
+ *adt|*ast) hwmode=a;;
esac
[ "$channel" = auto ] && channel=
[ -n "$channel" -a -z "$hwmode" ] && wifi_fixup_hwmode "$device"