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Commit 03a497d4 authored by Michael Buesch's avatar Michael Buesch Committed by Mauro Carvalho Chehab
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[media] fc0011: Fix xin value clamping 



Fix the xin value clamping and use clamp_t().

Signed-off-by: default avatarMichael Buesch <m@bues.ch>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent db5c05b2

drivers/media/tuners/fc0011.c

+2 −7
Original line number Original line Diff line number Diff line
@@ -183,8 +183,7 @@ static int fc0011_set_params(struct dvb_frontend *fe) 
	unsigned int i, vco_retries;

	unsigned int i, vco_retries;

	u32 freq = p->frequency / 1000;

	u32 freq = p->frequency / 1000;

	u32 bandwidth = p->bandwidth_hz / 1000;

	u32 bandwidth = p->bandwidth_hz / 1000;

	u32 fvco, xin, xdiv, xdivr;

	u32 fvco, xin, frac, xdiv, xdivr;

	u16 frac;

	u8 fa, fp, vco_sel, vco_cal;

	u8 fa, fp, vco_sel, vco_cal;

	u8 regs[FC11_NR_REGS] = { };

	u8 regs[FC11_NR_REGS] = { };
@@ -227,12 +226,8 @@ static int fc0011_set_params(struct dvb_frontend *fe) 
		frac += 32786;

		frac += 32786;

	if (!frac)

	if (!frac)

		xin = 0;

		xin = 0;

	else if (frac < 511)

		xin = 512;

	else if (frac < 65026)

		xin = frac;

	else

	else

		xin = 65024;

		xin = clamp_t(u32, frac, 512, 65024);

	regs[FC11_REG_XINHI] = xin >> 8;

	regs[FC11_REG_XINHI] = xin >> 8;

	regs[FC11_REG_XINLO] = xin;

	regs[FC11_REG_XINLO] = xin;