diff options
| author |   Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-01 11:03:14 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-16 06:55:30 -0300 |
| commit | 988bd281d33b2249bf5d67dba0936795f2f9a2f2 (patch) | |
| tree | fba3f7fc686604abbfcde4cd54d20ca4b89f359e /drivers/media/dvb-frontends | |
| parent | [media] cxd2841er: fix BER report via DVBv5 stats API (diff) | |
| download | linux-dev-988bd281d33b2249bf5d67dba0936795f2f9a2f2.tar.xz linux-dev-988bd281d33b2249bf5d67dba0936795f2f9a2f2.zip | |
[media] cxd2841er: provide signal strength for DVB-C
Currently, there's no stats for DVB-C. Let's at least return
signal strength. The scale is different than on DVB-T, so let's
use a relative scale, for now.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/dvb-frontends')
| -rw-r--r-- | drivers/media/dvb-frontends/cxd2841er.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/media/dvb-frontends/cxd2841er.c b/drivers/media/dvb-frontends/cxd2841er.c index 94de6ba3d0e2..2a698711d25b 100644 --- a/drivers/media/dvb-frontends/cxd2841er.c +++ b/drivers/media/dvb-frontends/cxd2841er.c @@ -1750,7 +1750,6 @@ static void cxd2841er_read_signal_strength(struct dvb_frontend *fe) dev_dbg(&priv->i2c->dev, "%s()\n", __func__); switch (p->delivery_system) { - case SYS_DVBC_ANNEX_A: case SYS_DVBC_ANNEX_B: case SYS_DVBC_ANNEX_C: strength = 65535 - cxd2841er_read_agc_gain_c( @@ -1766,6 +1765,12 @@ static void cxd2841er_read_signal_strength(struct dvb_frontend *fe) /* Formula was empirically determinated @ 410 MHz */ p->strength.stat[0].uvalue = ((s32)strength) * 366 / 100 - 89520; break; /* Code moved out of the function */ + case SYS_DVBC_ANNEX_A: + strength = cxd2841er_read_agc_gain_t_t2(priv, + p->delivery_system); + p->strength.stat[0].scale = FE_SCALE_RELATIVE; + p->strength.stat[0].uvalue = strength; + break; case SYS_ISDBT: strength = 65535 - cxd2841er_read_agc_gain_i( priv, p->delivery_system); |