[media] tda18212: round IF frequency to close hardware value
authorAntti Palosaari <crope@iki.fi>
Sun, 13 Nov 2011 14:22:58 +0000 (11:22 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Thu, 24 Nov 2011 19:53:35 +0000 (17:53 -0200)
Chip configures IF frequency resolution of 50 kHz. Round it nearest.
Off-by 50 kHz is almost nothing in real life...

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/common/tuners/tda18212.c

index b1750d21b4860ec0e7b06ab8c0021a2e21f44d26..f52282e6c8bb7195ba1879dee833821e41f15a71 100644 (file)
@@ -227,7 +227,7 @@ static int tda18212_set_params(struct dvb_frontend *fe,
        buf[0] = 0x02;
        buf[1] = bw_params[i][1];
        buf[2] = 0x03; /* default value */
-       buf[3] = if_khz / 50;
+       buf[3] = DIV_ROUND_CLOSEST(if_khz, 50);
        buf[4] = ((c->frequency / 1000) >> 16) & 0xff;
        buf[5] = ((c->frequency / 1000) >>  8) & 0xff;
        buf[6] = ((c->frequency / 1000) >>  0) & 0xff;