[alsa-devel] [PATCH] ASoC: nau8810: use 64-bit arithmetic instead of 32-bit
John Hsu
KCHSU0 at nuvoton.com
Wed Mar 13 07:47:18 CET 2019
Add suffix ULL to constant 256 in order to give the compiler complete
information about the proper arithmetic to use.
Signed-off-by: John Hsu <KCHSU0 at nuvoton.com>
---
sound/soc/codecs/nau8810.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/codecs/nau8810.c b/sound/soc/codecs/nau8810.c
index bfd74b86c9d2..e7fd0b2645ea 100644
--- a/sound/soc/codecs/nau8810.c
+++ b/sound/soc/codecs/nau8810.c
@@ -505,7 +505,7 @@ static int nau88l0_calc_pll(unsigned int pll_in,
f2_max = 0;
scal_sel = ARRAY_SIZE(nau8810_mclk_scaler);
for (i = 0; i < ARRAY_SIZE(nau8810_mclk_scaler); i++) {
- f2 = 256 * fs * 4 * nau8810_mclk_scaler[i] / 10;
+ f2 = 256ULL * fs * 4 * nau8810_mclk_scaler[i] / 10;
if (f2 > NAU_PLL_FREQ_MIN && f2 < NAU_PLL_FREQ_MAX &&
f2_max < f2) {
f2_max = f2;
--
2.18.0
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