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-rw-r--r--drivers/media/video/cx18/cx18-av-core.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/media/video/cx18/cx18-av-core.c b/drivers/media/video/cx18/cx18-av-core.c
index 0b3d840cc2e..536dedb23ba 100644
--- a/drivers/media/video/cx18/cx18-av-core.c
+++ b/drivers/media/video/cx18/cx18-av-core.c
@@ -447,6 +447,7 @@ void cx18_av_std_setup(struct cx18 *cx)
if (pll_post) {
int fsc, pll;
+ u64 tmp;
pll = (28636360L * ((((u64)pll_int) << 25) + pll_frac)) >> 25;
pll /= pll_post;
@@ -459,7 +460,9 @@ void cx18_av_std_setup(struct cx18 *cx)
"= %d.%03d\n", src_decimation / 256,
((src_decimation % 256) * 1000) / 256);
- fsc = ((((u64)sc) * 28636360)/src_decimation) >> 13L;
+ tmp = 28636360 * (u64) sc;
+ do_div(tmp, src_decimation);
+ fsc = tmp >> 13;
CX18_DEBUG_INFO_DEV(sd,
"Chroma sub-carrier initial freq = %d.%06d "
"MHz\n", fsc / 1000000, fsc % 1000000);