AW88399_INTERNAL_VSN_TRIM_H_START_BIT
vcalk_val = (vcalkh_val >> AW88399_INTERNAL_VSN_TRIM_H_START_BIT) &
vcalk_val = (vcalkh_val >> AW88399_INTERNAL_VSN_TRIM_H_START_BIT) |
(~(((1<<AW88399_INTERNAL_VSN_TRIM_H_BITS_LEN)-1) << AW88399_INTERNAL_VSN_TRIM_H_START_BIT))