>From 68df717c82f5da425a807a417872de0a9566211c Mon Sep 17 00:00:00 2001
From: Bimow Chen <Bimow.Chen@xxxxxxxxxx>
Date: Tue, 5 Aug 2014 11:14:47 +0800
Subject: [PATCH 3/4] Update tuner initialization sequence.
Signed-off-by: Bimow Chen <Bimow.Chen@xxxxxxxxxx>
---
drivers/media/tuners/tuner_it913x.c | 13 +++++++++----
1 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/media/tuners/tuner_it913x.c b/drivers/media/tuners/tuner_it913x.c
index 6f30d7e..728de57 100644
--- a/drivers/media/tuners/tuner_it913x.c
+++ b/drivers/media/tuners/tuner_it913x.c
@@ -200,10 +200,7 @@ static int it913x_init(struct dvb_frontend *fe)
}
}
- /* Power Up Tuner - common all versions */
- ret = it913x_wr_reg(state, PRO_DMOD, 0xec40, 0x1);
- ret |= it913x_wr_reg(state, PRO_DMOD, 0xfba8, 0x0);
- ret |= it913x_wr_reg(state, PRO_DMOD, 0xec57, 0x0);
+ ret = it913x_wr_reg(state, PRO_DMOD, 0xec57, 0x0);
ret |= it913x_wr_reg(state, PRO_DMOD, 0xec58, 0x0);
return it913x_wr_reg(state, PRO_DMOD, 0xed81, val);
@@ -396,6 +393,7 @@ 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);
@@ -429,6 +427,13 @@ struct dvb_frontend *it913x_attach(struct dvb_frontend *fe,
memcpy(&fe->ops.tuner_ops, &it913x_tuner_ops,
sizeof(struct dvb_tuner_ops));
+ /* tuner RF initial */
+ ret = it913x_wr_reg(state, PRO_DMOD, 0xec4c, 0x68);
+ if (ret < 0)
+ goto error;
+
+ msleep(30);
+
dev_info(&i2c_adap->dev,
"%s: ITE Tech IT913X successfully attached\n",
KBUILD_MODNAME);
--
1.7.0.4
