SNS_GID_FT_REQ_SIZE
#define GIDLEN ((ISP_FC_SCRLEN >> 1) - 16 - SNS_GID_FT_REQ_SIZE)
uint8_t _y[SNS_GID_FT_REQ_SIZE];
ISP_MEMZERO(rq, SNS_GID_FT_REQ_SIZE);
MEMORYBARRIER(isp, SYNC_SFORDEV, 0, SNS_GID_FT_REQ_SIZE, chan);
mbs.param[1] = SNS_GID_FT_REQ_SIZE >> 1;