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authorMauro Carvalho Chehab <mchehab@redhat.com>2008-09-24 10:15:43 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-09-24 10:15:43 -0300
commitddcc13a8b8b15694685a582ab81741fd56a092b6 (patch)
treefcc7adc43f74132bb78fec5e9c0818ef7613bb63 /linux/drivers/media/common/tuners
parent72f8339318334eaa1c489dc63611988e2bc38822 (diff)
parent3c4d506a9fddb6c4a5611b12468a335356e3d25f (diff)
downloadmediapointer-dvb-s2-ddcc13a8b8b15694685a582ab81741fd56a092b6.tar.gz
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merge: http://linuxtv.org/hg/~anttip/af9015
From: Mauro Carvalho Chehab <mchehab@redhat.com> Priority: normal Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'linux/drivers/media/common/tuners')
-rw-r--r--linux/drivers/media/common/tuners/mt2060.c38
1 files changed, 36 insertions, 2 deletions
diff --git a/linux/drivers/media/common/tuners/mt2060.c b/linux/drivers/media/common/tuners/mt2060.c
index 355817754..d1962bb24 100644
--- a/linux/drivers/media/common/tuners/mt2060.c
+++ b/linux/drivers/media/common/tuners/mt2060.c
@@ -177,6 +177,9 @@ static int mt2060_set_params(struct dvb_frontend *fe, struct dvb_frontend_parame
b[0] = REG_LO1B1;
b[1] = 0xFF;
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */
+
mt2060_writeregs(priv,b,2);
freq = params->frequency / 1000; // Hz -> kHz
@@ -240,6 +243,9 @@ static int mt2060_set_params(struct dvb_frontend *fe, struct dvb_frontend_parame
i++;
} while (i<10);
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */
+
return ret;
}
@@ -303,13 +309,35 @@ static int mt2060_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
static int mt2060_init(struct dvb_frontend *fe)
{
struct mt2060_priv *priv = fe->tuner_priv;
- return mt2060_writereg(priv, REG_VGAG, (priv->cfg->clock_out << 6) | 0x33);
+ int ret;
+
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */
+
+ ret = mt2060_writereg(priv, REG_VGAG,
+ (priv->cfg->clock_out << 6) | 0x33);
+
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */
+
+ return ret;
}
static int mt2060_sleep(struct dvb_frontend *fe)
{
struct mt2060_priv *priv = fe->tuner_priv;
- return mt2060_writereg(priv, REG_VGAG, (priv->cfg->clock_out << 6) | 0x30);
+ int ret;
+
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */
+
+ ret = mt2060_writereg(priv, REG_VGAG,
+ (priv->cfg->clock_out << 6) | 0x30);
+
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */
+
+ return ret;
}
static int mt2060_release(struct dvb_frontend *fe)
@@ -351,6 +379,9 @@ struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter
priv->i2c = i2c;
priv->if1_freq = if1;
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */
+
if (mt2060_readreg(priv,REG_PART_REV,&id) != 0) {
kfree(priv);
return NULL;
@@ -367,6 +398,9 @@ struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter
mt2060_calibrate(priv);
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */
+
return fe;
}
EXPORT_SYMBOL(mt2060_attach);