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authorAntti Palosaari <crope@iki.fi>2012-09-12 20:23:48 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-09-23 20:18:10 -0300
commit66b3c4deb9735e18d5b71dbcbf9532bdf080d001 (patch)
tree6e859b836a9e775579e0c7a6d7844dbbe42314b4 /drivers/media/dvb-frontends
parent86ad0f1dd72b39159065fdf089afe0913b9bef41 (diff)
downloadop-kernel-dev-66b3c4deb9735e18d5b71dbcbf9532bdf080d001.zip
op-kernel-dev-66b3c4deb9735e18d5b71dbcbf9532bdf080d001.tar.gz
[media] rtl2830: use .get_if_frequency()
Use .get_if_frequency() as all used tuner drivers (mt2060/qt1010/mxl5005s) supports it. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb-frontends')
-rw-r--r--drivers/media/dvb-frontends/rtl2830.c57
-rw-r--r--drivers/media/dvb-frontends/rtl2830.h7
2 files changed, 33 insertions, 31 deletions
diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c
index eca1d72..3954760 100644
--- a/drivers/media/dvb-frontends/rtl2830.c
+++ b/drivers/media/dvb-frontends/rtl2830.c
@@ -182,9 +182,6 @@ static int rtl2830_init(struct dvb_frontend *fe)
{
struct rtl2830_priv *priv = fe->demodulator_priv;
int ret, i;
- u64 num;
- u8 buf[3], tmp;
- u32 if_ctl;
struct rtl2830_reg_val_mask tab[] = {
{ 0x00d, 0x01, 0x03 },
{ 0x00d, 0x10, 0x10 },
@@ -240,26 +237,6 @@ static int rtl2830_init(struct dvb_frontend *fe)
if (ret)
goto err;
- num = priv->cfg.if_dvbt % priv->cfg.xtal;
- num *= 0x400000;
- num = div_u64(num, priv->cfg.xtal);
- num = -num;
- if_ctl = num & 0x3fffff;
- dev_dbg(&priv->i2c->dev, "%s: if_ctl=%08x\n", __func__, if_ctl);
-
- ret = rtl2830_rd_reg_mask(priv, 0x119, &tmp, 0xc0); /* b[7:6] */
- if (ret)
- goto err;
-
- buf[0] = tmp << 6;
- buf[0] = (if_ctl >> 16) & 0x3f;
- buf[1] = (if_ctl >> 8) & 0xff;
- buf[2] = (if_ctl >> 0) & 0xff;
-
- ret = rtl2830_wr_regs(priv, 0x119, buf, 3);
- if (ret)
- goto err;
-
/* TODO: spec init */
/* soft reset */
@@ -301,6 +278,9 @@ static int rtl2830_set_frontend(struct dvb_frontend *fe)
struct rtl2830_priv *priv = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret, i;
+ u64 num;
+ u8 buf[3], tmp;
+ u32 if_ctl, if_frequency;
static u8 bw_params1[3][34] = {
{
0x1f, 0xf0, 0x1f, 0xf0, 0x1f, 0xfa, 0x00, 0x17, 0x00, 0x41,
@@ -325,7 +305,6 @@ static int rtl2830_set_frontend(struct dvb_frontend *fe)
{0xae, 0xba, 0xf3, 0x26, 0x66, 0x64,}, /* 8 MHz */
};
-
dev_dbg(&priv->i2c->dev,
"%s: frequency=%d bandwidth_hz=%d inversion=%d\n",
__func__, c->frequency, c->bandwidth_hz, c->inversion);
@@ -353,6 +332,36 @@ static int rtl2830_set_frontend(struct dvb_frontend *fe)
if (ret)
goto err;
+ /* program if frequency */
+ if (fe->ops.tuner_ops.get_if_frequency)
+ ret = fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency);
+ else
+ ret = -EINVAL;
+
+ if (ret < 0)
+ goto err;
+
+ num = if_frequency % priv->cfg.xtal;
+ num *= 0x400000;
+ num = div_u64(num, priv->cfg.xtal);
+ num = -num;
+ if_ctl = num & 0x3fffff;
+ dev_dbg(&priv->i2c->dev, "%s: if_frequency=%d if_ctl=%08x\n",
+ __func__, if_frequency, if_ctl);
+
+ ret = rtl2830_rd_reg_mask(priv, 0x119, &tmp, 0xc0); /* b[7:6] */
+ if (ret)
+ goto err;
+
+ buf[0] = tmp << 6;
+ buf[0] |= (if_ctl >> 16) & 0x3f;
+ buf[1] = (if_ctl >> 8) & 0xff;
+ buf[2] = (if_ctl >> 0) & 0xff;
+
+ ret = rtl2830_wr_regs(priv, 0x119, buf, 3);
+ if (ret)
+ goto err;
+
/* 1/2 split I2C write */
ret = rtl2830_wr_regs(priv, 0x11c, &bw_params1[i][0], 17);
if (ret)
diff --git a/drivers/media/dvb-frontends/rtl2830.h b/drivers/media/dvb-frontends/rtl2830.h
index e125166..f4349a1 100644
--- a/drivers/media/dvb-frontends/rtl2830.h
+++ b/drivers/media/dvb-frontends/rtl2830.h
@@ -47,13 +47,6 @@ struct rtl2830_config {
bool spec_inv;
/*
- * IFs for all used modes.
- * Hz
- * 4570000, 4571429, 36000000, 36125000, 36166667, 44000000
- */
- u32 if_dvbt;
-
- /*
*/
u8 vtop;
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