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-rw-r--r--drivers/media/dvb/frontends/cx24123.c7
-rw-r--r--drivers/media/dvb/frontends/cx24123.h3
-rw-r--r--drivers/media/video/cx88/cx88-dvb.c1
3 files changed, 11 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/cx24123.c b/drivers/media/dvb/frontends/cx24123.c
index f77b2d59955c..62d69a6ea699 100644
--- a/drivers/media/dvb/frontends/cx24123.c
+++ b/drivers/media/dvb/frontends/cx24123.c
@@ -661,6 +661,10 @@ static int cx24123_initfe(struct dvb_frontend* fe)
for (i = 0; i < sizeof(cx24123_regdata) / sizeof(cx24123_regdata[0]); i++)
cx24123_writereg(state, cx24123_regdata[i].reg, cx24123_regdata[i].data);
+ /* Set the LNB polarity */
+ if(state->config->lnb_polarity)
+ cx24123_writereg(state, 0x32, cx24123_readreg(state, 0x32) | 0x02);
+
return 0;
}
@@ -678,6 +682,9 @@ static int cx24123_set_voltage(struct dvb_frontend* fe, fe_sec_voltage_t voltage
case SEC_VOLTAGE_18:
dprintk("%s: setting voltage 18V\n", __FUNCTION__);
return cx24123_writereg(state, 0x29, val | 0x80);
+ case SEC_VOLTAGE_OFF:
+ /* already handled in cx88-dvb */
+ return 0;
default:
return -EINVAL;
};
diff --git a/drivers/media/dvb/frontends/cx24123.h b/drivers/media/dvb/frontends/cx24123.h
index 6a8cb4c41adf..57a1dae1dc40 100644
--- a/drivers/media/dvb/frontends/cx24123.h
+++ b/drivers/media/dvb/frontends/cx24123.h
@@ -30,6 +30,9 @@ struct cx24123_config
/* Need to set device param for start_dma */
int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
+
+ /* 0 = LNB voltage normal, 1 = LNB voltage inverted */
+ int lnb_polarity;
};
#if defined(CONFIG_DVB_CX24123) || defined(CONFIG_DVB_CX24123_MODULE)
diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c
index ebbf54077132..0771acbed74d 100644
--- a/drivers/media/video/cx88/cx88-dvb.c
+++ b/drivers/media/video/cx88/cx88-dvb.c
@@ -498,6 +498,7 @@ static struct cx24123_config hauppauge_novas_config = {
static struct cx24123_config kworld_dvbs_100_config = {
.demod_address = 0x15,
.set_ts_params = cx24123_set_ts_param,
+ .lnb_polarity = 1,
};
static int dvb_register(struct cx8802_dev *dev)