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authorIgor M. Liplianin <liplianin@netup.ru>2009-07-19 17:37:09 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-09-12 12:18:00 -0300
commit92782bb00387585e2a4249f6996da3c863c1f580 (patch)
treeddd300634b7fccc9377875536ca059f84ddaa13d
parent25ea66e2696066a12274119ceec084963427e75b (diff)
V4L/DVB (12309): Add output clock configuration for stv6110 tuner.
Signed-off-by: Igor M. Liplianin <liplianin@netup.ru> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/dvb/frontends/stv6110.c10
-rw-r--r--drivers/media/dvb/frontends/stv6110.h1
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/stv6110.c b/drivers/media/dvb/frontends/stv6110.c
index 70efac869d2..5aabb782e31 100644
--- a/drivers/media/dvb/frontends/stv6110.c
+++ b/drivers/media/dvb/frontends/stv6110.c
@@ -36,6 +36,7 @@ struct stv6110_priv {
struct i2c_adapter *i2c;
u32 mclk;
+ u8 clk_div;
u8 regs[8];
};
@@ -221,6 +222,10 @@ static int stv6110_init(struct dvb_frontend *fe)
priv->regs[RSTV6110_CTRL1] |=
((((priv->mclk / 1000000) - 16) & 0x1f) << 3);
+ /* divisor value for the output clock */
+ priv->regs[RSTV6110_CTRL2] &= ~0xc0;
+ priv->regs[RSTV6110_CTRL2] |= (priv->clk_div << 6);
+
stv6110_write_regs(fe, &priv->regs[RSTV6110_CTRL1], RSTV6110_CTRL1, 8);
msleep(1);
stv6110_set_bandwidth(fe, 72000000);
@@ -418,6 +423,10 @@ struct dvb_frontend *stv6110_attach(struct dvb_frontend *fe,
};
int ret;
+ /* divisor value for the output clock */
+ reg0[2] &= ~0xc0;
+ reg0[2] |= (config->clk_div << 6);
+
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
@@ -436,6 +445,7 @@ struct dvb_frontend *stv6110_attach(struct dvb_frontend *fe,
priv->i2c_address = config->i2c_address;
priv->i2c = i2c;
priv->mclk = config->mclk;
+ priv->clk_div = config->clk_div;
memcpy(&priv->regs, &reg0[1], 8);
diff --git a/drivers/media/dvb/frontends/stv6110.h b/drivers/media/dvb/frontends/stv6110.h
index 1c0314d6aa5..2574e1fba9d 100644
--- a/drivers/media/dvb/frontends/stv6110.h
+++ b/drivers/media/dvb/frontends/stv6110.h
@@ -42,6 +42,7 @@ struct stv6110_config {
u8 i2c_address;
u32 mclk;
int iq_wiring;
+ u8 clk_div; /* divisor value for the output clock */
};
#if defined(CONFIG_DVB_STV6110) || (defined(CONFIG_DVB_STV6110_MODULE) \