gx50_dac_check_sys_pll
if (gx50_dac_check_sys_pll(m, n, *p)== B_OK)
if ((gx50_dac_check_sys_pll(m, n - 3, *p)== B_OK) &&
(gx50_dac_check_sys_pll(m, n - 2, *p)== B_OK) &&
(gx50_dac_check_sys_pll(m, n - 1, *p)== B_OK) &&
(gx50_dac_check_sys_pll(m, n + 1, *p)== B_OK) &&
(gx50_dac_check_sys_pll(m, n + 2, *p)== B_OK) &&
(gx50_dac_check_sys_pll(m, n + 3, *p)== B_OK))