diff options
| author | Manu Abraham <abraham.manu@gmail.com> | 2009-04-08 20:18:50 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-06-16 18:20:39 -0300 |
| commit | f430fff101dd2cdbf5db1cf274a1591ae2b6e05c (patch) | |
| tree | 8e5aaf45ff2092bf801ad87772d83d739d581134 /drivers/media/dvb/frontends/stv090x.c | |
| parent | 15bb366e86e07820374ec313170aab65d4e1d983 (diff) | |
V4L/DVB (11589): stv090x: code simplification
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/frontends/stv090x.c')
| -rw-r--r-- | drivers/media/dvb/frontends/stv090x.c | 14 |
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; } |