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Commit 47f95dbd authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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[media] tua9001: use div_u64() for frequency calculation 



Use div_u64() to simplify and remove home made divides.

Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent dd219a87

drivers/media/tuners/tua9001.c

+1 −8
Original line number Diff line number Diff line
@@ -88,7 +88,6 @@ static int tua9001_set_params(struct dvb_frontend *fe) 
	struct dtv_frontend_properties *c = &fe->dtv_property_cache;

	int ret, i;

	u16 val;

	u32 frequency;

	struct tua9001_reg_val data[2];



	dev_dbg(&client->dev,
@@ -122,14 +121,8 @@ static int tua9001_set_params(struct dvb_frontend *fe) 


	data[0].reg = 0x04;

	data[0].val = val;



	frequency = (c->frequency - 150000000);

	frequency /= 100;

	frequency *= 48;

	frequency /= 10000;



	data[1].reg = 0x1f;

	data[1].val = frequency;

	data[1].val = div_u64((u64) (c->frequency - 150000000) * 48, 1000000);



	if (fe->callback) {

		ret = fe->callback(client->adapter,

drivers/media/tuners/tua9001_priv.h

+1 −0
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
#define TUA9001_PRIV_H



#include "tua9001.h"

#include <linux/math64.h>

#include <linux/regmap.h>



struct tua9001_reg_val {