RJ54N1_RA_SEL_UL
ret = reg_write(client, RJ54N1_RA_SEL_UL, 0);
ret = reg_write(client, RJ54N1_RA_SEL_UL, 8);
ret = reg_write(client, RJ54N1_RA_SEL_UL, 0);
ret = reg_write(client, RJ54N1_RA_SEL_UL, 8);