V4L/DVB (9514): cx18: Fix PLL freq computation for debug display

cx18: Fix PLL freq computation for debug display.
The code to compute the PLL freq from register values was storing an
intermediate 56 bit result in a 32 bit type, causing a nonsense value to
be displayed.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/cx18/cx18-av-core.c b/drivers/media/video/cx18/cx18-av-core.c
index 5c079e3..518bd70 100644 (file)
--- a/drivers/media/video/cx18/cx18-av-core.c
+++ b/drivers/media/video/cx18/cx18-av-core.c
@@ -273,10 +273,9 @@ void cx18_av_std_setup(struct cx18 *cx)
                        pll_int, pll_frac, pll_post);
 
        if (pll_post) {
-               int fin, fsc;
-               int pll = 28636363L * ((((u64)pll_int) << 25) + pll_frac);
+               int fin, fsc, pll;
 
-               pll >>= 25;
+               pll = (28636364L * ((((u64)pll_int) << 25) + pll_frac)) >> 25;
                pll /= pll_post;
                CX18_DEBUG_INFO("PLL = %d.%06d MHz\n",
                                        pll / 1000000, pll % 1000000);