1 files changed, 7 insertions, 4 deletions

diff --git a/sound/soc/codecs/tas2552.c b/sound/soc/codecs/tas2552.c
index 8840f72f3c4a..10116169a239 100644
--- a/sound/soc/codecs/tas2552.c
+++ b/sound/soc/codecs/tas2552.c
@@ -192,7 +192,7 @@ static int tas2552_setup_pll(struct snd_soc_codec *codec,
                  * pll_clk = (.5 * pll_clkin * J.D) / 2^p
                  * Need to fill in J and D here based on incoming freq
                  */
-                unsigned int d;
+                unsigned int d, q, t;
                 u8 j;
                 u8 pll_sel = (tas2552->pll_clk_id << 3) & TAS2552_PLL_SRC_MASK;
                 u8 p = snd_soc_read(codec, TAS2552_PLL_CTRL_1);
@@ -200,9 +200,12 @@ static int tas2552_setup_pll(struct snd_soc_codec *codec,
                 p = (p >> 7);
 
 recalc:
-                j = (pll_clk * 2 * (1 << p)) / pll_clkin;
-                d = (pll_clk * 2 * (1 << p)) % pll_clkin;
-                d /= (pll_clkin / 10000);
+                t = (pll_clk * 2) << p;
+                j = t / pll_clkin;
+                d = t % pll_clkin;
+                t = pll_clkin / 10000;
+                q = d / (t + 1);
+                d = q + ((9999 - pll_clkin % 10000) * (d / t - q)) / 10000;
 
                 if (d && (pll_clkin < 512000 || pll_clkin > 9200000)) {
                         if (tas2552->pll_clk_id == TAS2552_PLL_CLKIN_BCLK) {