VIA_L1_EDX_IC_LS
cai->cai_linesize = VIA_L1_EDX_IC_LS(descs[2]);
cai->cai_linesize = VIA_L1_EDX_IC_LS(descs[3]);
cai->cai_linesize = VIA_L1_EDX_IC_LS(descs[2]);
cai->cai_linesize = VIA_L1_EDX_IC_LS(descs[3]);