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authorManu Abraham <abraham.manu@gmail.com>2009-04-08 20:18:50 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-06-16 18:20:39 -0300
commitf430fff101dd2cdbf5db1cf274a1591ae2b6e05c (patch)
tree8e5aaf45ff2092bf801ad87772d83d739d581134
parent15bb366e86e07820374ec313170aab65d4e1d983 (diff)
V4L/DVB (11589): stv090x: code simplification
Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/dvb/frontends/stv090x.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/media/dvb/frontends/stv090x.c b/drivers/media/dvb/frontends/stv090x.c
index 6e7c47a1f67..fee7917ec5c 100644
--- a/drivers/media/dvb/frontends/stv090x.c
+++ b/drivers/media/dvb/frontends/stv090x.c
@@ -1368,7 +1368,6 @@ static u32 stv090x_get_srate(struct stv090x_state *state, u32 clk)
{
u8 r3, r2, r1, r0;
s32 srate, int_1, int_2, tmp_1, tmp_2;
- u32 pow2;
r3 = STV090x_READ_DEMOD(state, SFR3);
r2 = STV090x_READ_DEMOD(state, SFR2);
@@ -1377,16 +1376,15 @@ static u32 stv090x_get_srate(struct stv090x_state *state, u32 clk)
srate = ((r3 << 24) | (r2 << 16) | (r1 << 8) | r0);
- pow2 = 1 << 16;
- int_1 = clk / pow2;
- int_2 = srate / pow2;
+ int_1 = clk >> 16;
+ int_2 = srate >> 16;
- tmp_1 = clk % pow2;
- tmp_2 = srate % pow2;
+ tmp_1 = clk % 0x10000;
+ tmp_2 = srate % 0x10000;
srate = (int_1 * int_2) +
- ((int_1 * tmp_2) / pow2) +
- ((int_2 * tmp_1) / pow2);
+ ((int_1 * tmp_2) >> 16) +
+ ((int_2 * tmp_1) >> 16);
return srate;
}