[media] tda10071: use div_s64() when dividing a s64 integer (7d0ddc91) · Commits · 戴 / test

drivers/media/dvb-frontends/tda10071.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);