From: John Hsu <KCHSU0@nuvoton.com>
Date: Wed, 13 Mar 2019 06:47:18 +0000 (+0800)
Subject: ASoC: nau8810: use 64-bit arithmetic instead of 32-bit
X-Git-Tag: v5.2-rc1~117^2~10^2^2~294
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=b517229ca2f7836125be58997808f2803f9ebc86;p=linux.git

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 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;