[media] r820t: better report signal strength

If signal is zero, shows it as a zero, not as 0xff.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Tested-by: Antti Palosaari <crope@iki.fi>
This commit is contained in:
Mauro Carvalho Chehab 2013-04-10 09:04:03 -03:00
parent 84ddc33c20
commit 75c1819e5e

View File

@ -1506,6 +1506,8 @@ static int r820t_signal(struct dvb_frontend *fe, u16 *strength)
/* A higher gain at LNA means a lower signal strength */
*strength = (45 - rc) << 4 | 0xff;
if (*strength == 0xff)
*strength = 0;
} else {
*strength = 0;
}