527 	u32 pll_ref;  in r820t_set_pll()  local
539 	pll_ref = priv->cfg->xtal / 1000;  in r820t_set_pll()
548 			pll_ref /= 2;  in r820t_set_pll()
554 			pll_ref /= 2;  in r820t_set_pll()
613 	nint = vco_freq / (2 * pll_ref);  in r820t_set_pll()
614 	vco_fra = vco_freq - 2 * pll_ref * nint;  in r820t_set_pll()
617 	if (vco_fra < pll_ref / 64) {  in r820t_set_pll()
619 	} else if (vco_fra > pll_ref * 127 / 64) {  in r820t_set_pll()
622 	} else if ((vco_fra > pll_ref * 127 / 128) && (vco_fra < pll_ref)) {  in r820t_set_pll()
623 		vco_fra = pll_ref * 127 / 128;  in r820t_set_pll()
624 	} else if ((vco_fra > pll_ref) && (vco_fra < pll_ref * 129 / 128)) {  in r820t_set_pll()
625 		vco_fra = pll_ref * 129 / 128;  in r820t_set_pll()
647 		if (vco_fra > (2 * pll_ref / n_sdm)) {  in r820t_set_pll()
649 			vco_fra = vco_fra - 2 * pll_ref / n_sdm;  in r820t_set_pll()
657 		  freq, pll_ref, refdiv2 ? " / 2" : "", sdm);  in r820t_set_pll()