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[media] m88ds3103: use kernel macro to round division

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DIV_ROUND_CLOSEST does the job and looks better.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Antti Palosaari 2013-11-19 22:37:55 -03:00 committed by Mauro Carvalho Chehab
parent 44b9055b4b
commit 39c0029e60
1 changed files with 2 additions and 3 deletions
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5
drivers/media/dvb-frontends/m88ds3103.c
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@ -460,8 +460,7 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
if (ret)
goto err;
u16tmp = (((c->symbol_rate / 1000) << 15) + (M88DS3103_MCLK_KHZ / 4)) /
(M88DS3103_MCLK_KHZ / 2);
u16tmp = DIV_ROUND_CLOSEST((c->symbol_rate / 1000) << 15, M88DS3103_MCLK_KHZ / 2);
buf[0] = (u16tmp >> 0) & 0xff;
buf[1] = (u16tmp >> 8) & 0xff;
ret = m88ds3103_wr_regs(priv, 0x61, buf, 2);
@ -484,7 +483,7 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
(tuner_frequency - c->frequency));
s32tmp = 0x10000 * (tuner_frequency - c->frequency);
s32tmp = (2 * s32tmp + M88DS3103_MCLK_KHZ) / (2 * M88DS3103_MCLK_KHZ);
s32tmp = DIV_ROUND_CLOSEST(s32tmp, M88DS3103_MCLK_KHZ);
if (s32tmp < 0)
s32tmp += 0x10000;