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author | Antti Palosaari <crope@iki.fi> | 2015-04-16 12:36:51 +0200 |
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committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-05-18 20:55:14 +0200 |
commit | 47f95dbdb3adefb927851c8737de66894f58b14d (patch) | |
tree | 34ce1caa4f7c128da5f24a849008635ca7f17152 /drivers/media/tuners/tua9001.c | |
parent | [media] tua9001: use regmap for I2C register access (diff) | |
download | linux-47f95dbdb3adefb927851c8737de66894f58b14d.tar.xz linux-47f95dbdb3adefb927851c8737de66894f58b14d.zip |
[media] tua9001: use div_u64() for frequency calculation
Use div_u64() to simplify and remove home made divides.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/tuners/tua9001.c')
-rw-r--r-- | drivers/media/tuners/tua9001.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/media/tuners/tua9001.c b/drivers/media/tuners/tua9001.c index 09a10349dd57..d4f6ca0c4d92 100644 --- a/drivers/media/tuners/tua9001.c +++ b/drivers/media/tuners/tua9001.c @@ -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, |