From: Bimow Chen <Bimow.Chen@xxxxxxxxxx>
That register is needed to program very first in order to operate
correctly.
[crope@xxxxxx: returned sequence back, removed sleep, moved reg
write earlier to prevent populating tuner ops in case of failure]
Signed-off-by: Bimow Chen <Bimow.Chen@xxxxxxxxxx>
Signed-off-by: Antti Palosaari <crope@xxxxxx>
---
drivers/media/tuners/tuner_it913x.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/media/tuners/tuner_it913x.c b/drivers/media/tuners/tuner_it913x.c
index 6f30d7e..3d83c42 100644
--- a/drivers/media/tuners/tuner_it913x.c
+++ b/drivers/media/tuners/tuner_it913x.c
@@ -396,6 +396,7 @@ struct dvb_frontend *it913x_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c_adap, u8 i2c_addr, u8 config)
{
struct it913x_state *state = NULL;
+ int ret;
/* allocate memory for the internal state */
state = kzalloc(sizeof(struct it913x_state), GFP_KERNEL);
@@ -425,6 +426,11 @@ struct dvb_frontend *it913x_attach(struct dvb_frontend *fe,
state->tuner_type = config;
state->firmware_ver = 1;
+ /* tuner RF initial */
+ ret = it913x_wr_reg(state, PRO_DMOD, 0xec4c, 0x68);
+ if (ret < 0)
+ goto error;
+
fe->tuner_priv = state;
memcpy(&fe->ops.tuner_ops, &it913x_tuner_ops,
sizeof(struct dvb_tuner_ops));
--
http://palosaari.fi/
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