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path: root/linux/drivers/media/dvb/frontends
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Diffstat (limited to 'linux/drivers/media/dvb/frontends')
-rw-r--r--linux/drivers/media/dvb/frontends/tda18271-fe.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/linux/drivers/media/dvb/frontends/tda18271-fe.c b/linux/drivers/media/dvb/frontends/tda18271-fe.c
index 08990ddaa..17bfeb875 100644
--- a/linux/drivers/media/dvb/frontends/tda18271-fe.c
+++ b/linux/drivers/media/dvb/frontends/tda18271-fe.c
@@ -338,6 +338,20 @@ static int tda18271_init_regs(struct dvb_frontend *fe)
return 0;
}
+static int tda18271_init(struct dvb_frontend *fe)
+{
+ struct tda18271_priv *priv = fe->tuner_priv;
+ unsigned char *regs = priv->tda18271_regs;
+
+ tda18271_read_regs(fe);
+
+ /* test IR_CAL_OK to see if we need init */
+ if ((regs[R_EP1] & 0x08) == 0)
+ tda18271_init_regs(fe);
+
+ return 0;
+}
+
static int tda18271_tune(struct dvb_frontend *fe,
u32 ifc, u32 freq, u32 bw, u8 std)
{
@@ -748,7 +762,7 @@ static struct dvb_tuner_ops tda18271_tuner_ops = {
.frequency_max = 864000000,
.frequency_step = 62500
},
- .init = tda18271_init_regs,
+ .init = tda18271_init,
.set_params = tda18271_set_params,
.set_analog_params = tda18271_set_analog_params,
.release = tda18271_release,
@@ -774,6 +788,8 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr,
fe->tuner_priv = priv;
+ tda18271_init_regs(fe);
+
return fe;
}
EXPORT_SYMBOL_GPL(tda18271_attach);