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[media] si2168: implement CNR statistic

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Implement CNR statistic.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Antti Palosaari 2014-07-09 20:22:27 -03:00 committed by Mauro Carvalho Chehab
parent 888680ff9d
commit 88ac8f8606
1 changed files with 9 additions and 0 deletions
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9
drivers/media/dvb-frontends/si2168.c
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@ -141,6 +141,15 @@ static int si2168_read_status(struct dvb_frontend *fe, fe_status_t *status)
s->fe_status = *status;
if (*status & FE_HAS_LOCK) {
c->cnr.len = 1;
c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
c->cnr.stat[0].svalue = cmd.args[3] * 1000 / 4;
} else {
c->cnr.len = 1;
c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
}
dev_dbg(&s->client->dev, "%s: status=%02x args=%*ph\n",
__func__, *status, cmd.rlen, cmd.args);