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[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>
hifive-unleashed-5.1
Mauro Carvalho Chehab 2013-04-10 09:04:03 -03:00
parent 84ddc33c20
commit 75c1819e5e
1 changed files with 2 additions and 0 deletions
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2
drivers/media/tuners/r820t.c
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@ -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;
}