ASoC: nau8810: use 64-bit arithmetic instead of 32-bit

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@nuvoton.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/nau8810.c b/sound/soc/codecs/nau8810.c
index bfd74b8..e7fd0b2 100644 (file)
--- 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;