| Message ID | 1404316343-23856-6-git-send-email-m.chehab@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c index 3de8934a5b3d..4ecf1a6181cc 100644 --- a/drivers/media/dvb-frontends/dib8000.c +++ b/drivers/media/dvb-frontends/dib8000.c @@ -4064,6 +4064,8 @@ static int dib8000_get_stats(struct dvb_frontend *fe, fe_status_t stat) db = interpolate_value(val, strength_to_db_table, ARRAY_SIZE(strength_to_db_table)) - 131000; + if (state->current_agc) + db += state->current_agc->dbm_adjust; c->strength.stat[0].svalue = db; /* UCB/BER/CNR measures require lock */ diff --git a/drivers/media/dvb-frontends/dibx000_common.h b/drivers/media/dvb-frontends/dibx000_common.h index b538e0555c95..76c9b8e9ed44 100644 --- a/drivers/media/dvb-frontends/dibx000_common.h +++ b/drivers/media/dvb-frontends/dibx000_common.h @@ -111,6 +111,8 @@ struct dibx000_agc_config { u16 min_thres; u16 max_thres; } split; + + int dbm_adjust; }; struct dibx000_bandwidth_config { diff --git a/drivers/media/usb/dvb-usb/dib0700_devices.c b/drivers/media/usb/dvb-usb/dib0700_devices.c index 501947eaacfe..baffa8fe09ef 100644 --- a/drivers/media/usb/dvb-usb/dib0700_devices.c +++ b/drivers/media/usb/dvb-usb/dib0700_devices.c @@ -1452,6 +1452,8 @@ static struct dibx000_agc_config dib8090_agc_config[2] = { .beta_exp = 51, .perform_agc_softsplit = 0, + + .dbm_adjust = 13000, /* Empirical adjust the Signal strength scale */ }, { .band_caps = BAND_CBAND,
With Mygica S870, there's a difference of ~10dB to ~13dB when compared with the current scale. I suspect that this is because dib8096gp uses a different set of AGC adjust parameters. Anyway, better to adjust it, in order to have a more precise measure. Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com> --- drivers/media/dvb-frontends/dib8000.c | 2 ++ drivers/media/dvb-frontends/dibx000_common.h | 2 ++ drivers/media/usb/dvb-usb/dib0700_devices.c | 2 ++ 3 files changed, 6 insertions(+)