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[media] tda10071: use div_s64() when dividing a s64 integer

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Otherwise, it will break on 32 bits archs.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Mauro Carvalho Chehab 2015-08-11 19:08:59 -03:00
parent 53cc7c9043
commit 7d0ddc91c8
1 changed files with 1 additions and 1 deletions
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drivers/media/dvb-frontends/tda10071.c
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@ -527,7 +527,7 @@ static int tda10071_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
unsigned int uitmp;
if (c->strength.stat[0].scale == FE_SCALE_DECIBEL) {
uitmp = c->strength.stat[0].svalue / 1000 + 256;
uitmp = div_s64(c->strength.stat[0].svalue, 1000) + 256;
uitmp = clamp(uitmp, 181U, 236U); /* -75dBm - -20dBm */
/* scale value to 0x0000-0xffff */
*strength = (uitmp-181) * 0xffff / (236-181);