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Subject[PATCH v2 2/4] media: tuners/qm1d1c0042: Use DIV_ROUND_CLOSEST directly to make it readable
Date
The kernel.h macro DIV_ROUND_CLOSEST performs the computation (x + d/2)/d
but is perhaps more readable.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
drivers/media/tuners/qm1d1c0042.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/tuners/qm1d1c0042.c b/drivers/media/tuners/qm1d1c0042.c
index 83ca5dc..0e26d22 100644
--- a/drivers/media/tuners/qm1d1c0042.c
+++ b/drivers/media/tuners/qm1d1c0042.c
@@ -206,7 +206,7 @@ static int qm1d1c0042_set_params(struct dvb_frontend *fe)
if (ret < 0)
return ret;

- a = (freq + state->cfg.xtal_freq / 2) / state->cfg.xtal_freq;
+ a = DIV_ROUND_CLOSEST(freq, state->cfg.xtal_freq);

state->regs[0x06] &= 0x40;
state->regs[0x06] |= (a - 12) / 4;
--
1.7.12.4
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