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-rw-r--r--linux/drivers/media/dvb/frontends/dvb-pll.c64
-rw-r--r--linux/drivers/media/dvb/frontends/dvb-pll.h7
-rw-r--r--linux/drivers/media/dvb/frontends/lgh06xf.c43
-rw-r--r--linux/drivers/media/dvb/ttpci/budget-av.c2
4 files changed, 57 insertions, 59 deletions
diff --git a/linux/drivers/media/dvb/frontends/dvb-pll.c b/linux/drivers/media/dvb/frontends/dvb-pll.c
index 78114fc26..62de760c8 100644
--- a/linux/drivers/media/dvb/frontends/dvb-pll.c
+++ b/linux/drivers/media/dvb/frontends/dvb-pll.c
@@ -472,7 +472,8 @@ int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf,
printk("pll: %s: div=%d | buf=0x%02x,0x%02x,0x%02x,0x%02x\n",
desc->name, div, buf[0], buf[1], buf[2], buf[3]);
- return 0;
+ // calculate the frequency we set it to
+ return (div * desc->entries[i].stepsize) - desc->entries[i].offset;
}
EXPORT_SYMBOL(dvb_pll_configure);
@@ -488,7 +489,8 @@ static int dvb_pll_sleep(struct dvb_frontend *fe)
struct dvb_pll_priv *priv = fe->tuner_priv;
u8 buf[4];
struct i2c_msg msg =
- { .addr = priv->pll_i2c_address, .flags = 0, .buf = buf, .len = sizeof(buf) };
+ { .addr = priv->pll_i2c_address, .flags = 0,
+ .buf = buf, .len = sizeof(buf) };
int i;
int result;
@@ -516,16 +518,16 @@ static int dvb_pll_sleep(struct dvb_frontend *fe)
return 0;
}
-static int dvb_pll_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
+static int dvb_pll_set_params(struct dvb_frontend *fe,
+ struct dvb_frontend_parameters *params)
{
struct dvb_pll_priv *priv = fe->tuner_priv;
u8 buf[4];
struct i2c_msg msg =
- { .addr = priv->pll_i2c_address, .flags = 0, .buf = buf, .len = sizeof(buf) };
+ { .addr = priv->pll_i2c_address, .flags = 0,
+ .buf = buf, .len = sizeof(buf) };
int result;
- u32 div;
- int i;
- u32 bandwidth = 0;
+ u32 bandwidth = 0, frequency = 0;
if (priv->i2c == NULL)
return -EINVAL;
@@ -535,8 +537,11 @@ static int dvb_pll_set_params(struct dvb_frontend *fe, struct dvb_frontend_param
bandwidth = params->u.ofdm.bandwidth;
}
- if ((result = dvb_pll_configure(priv->pll_desc, buf, params->frequency, bandwidth)) != 0)
+ if ((result = dvb_pll_configure(priv->pll_desc, buf,
+ params->frequency, bandwidth)) < 0)
return result;
+ else
+ frequency = result;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
@@ -544,26 +549,19 @@ static int dvb_pll_set_params(struct dvb_frontend *fe, struct dvb_frontend_param
return result;
}
- // calculate the frequency we set it to
- for (i = 0; i < priv->pll_desc->count; i++) {
- if (params->frequency > priv->pll_desc->entries[i].limit)
- continue;
- break;
- }
- div = (params->frequency + priv->pll_desc->entries[i].offset) / priv->pll_desc->entries[i].stepsize;
- priv->frequency = (div * priv->pll_desc->entries[i].stepsize) - priv->pll_desc->entries[i].offset;
+ priv->frequency = frequency;
priv->bandwidth = bandwidth;
return 0;
}
-static int dvb_pll_calc_regs(struct dvb_frontend *fe, struct dvb_frontend_parameters *params, u8 *buf, int buf_len)
+static int dvb_pll_calc_regs(struct dvb_frontend *fe,
+ struct dvb_frontend_parameters *params,
+ u8 *buf, int buf_len)
{
struct dvb_pll_priv *priv = fe->tuner_priv;
int result;
- u32 div;
- int i;
- u32 bandwidth = 0;
+ u32 bandwidth = 0, frequency = 0;
if (buf_len < 5)
return -EINVAL;
@@ -573,18 +571,15 @@ static int dvb_pll_calc_regs(struct dvb_frontend *fe, struct dvb_frontend_parame
bandwidth = params->u.ofdm.bandwidth;
}
- if ((result = dvb_pll_configure(priv->pll_desc, buf+1, params->frequency, bandwidth)) != 0)
+ if ((result = dvb_pll_configure(priv->pll_desc, buf+1,
+ params->frequency, bandwidth)) < 0)
return result;
+ else
+ frequency = result;
+
buf[0] = priv->pll_i2c_address;
- // calculate the frequency we set it to
- for (i = 0; i < priv->pll_desc->count; i++) {
- if (params->frequency > priv->pll_desc->entries[i].limit)
- continue;
- break;
- }
- div = (params->frequency + priv->pll_desc->entries[i].offset) / priv->pll_desc->entries[i].stepsize;
- priv->frequency = (div * priv->pll_desc->entries[i].stepsize) - priv->pll_desc->entries[i].offset;
+ priv->frequency = frequency;
priv->bandwidth = bandwidth;
return 5;
@@ -613,10 +608,13 @@ static struct dvb_tuner_ops dvb_pll_tuner_ops = {
.get_bandwidth = dvb_pll_get_bandwidth,
};
-struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, struct i2c_adapter *i2c, struct dvb_pll_desc *desc)
+struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr,
+ struct i2c_adapter *i2c,
+ struct dvb_pll_desc *desc)
{
u8 b1 [] = { 0 };
- struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, .buf = b1, .len = 1 };
+ struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD,
+ .buf = b1, .len = 1 };
struct dvb_pll_priv *priv = NULL;
int ret;
@@ -639,7 +637,9 @@ struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, struc
priv->i2c = i2c;
priv->pll_desc = desc;
- memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops, sizeof(struct dvb_tuner_ops));
+ memcpy(&fe->ops.tuner_ops, &dvb_pll_tuner_ops,
+ sizeof(struct dvb_tuner_ops));
+
strncpy(fe->ops.tuner_ops.info.name, desc->name, 128);
fe->ops.tuner_ops.info.frequency_min = desc->min;
fe->ops.tuner_ops.info.frequency_min = desc->max;
diff --git a/linux/drivers/media/dvb/frontends/dvb-pll.h b/linux/drivers/media/dvb/frontends/dvb-pll.h
index ed5ac5a36..681186a5e 100644
--- a/linux/drivers/media/dvb/frontends/dvb-pll.h
+++ b/linux/drivers/media/dvb/frontends/dvb-pll.h
@@ -48,7 +48,7 @@ extern struct dvb_pll_desc dvb_pll_philips_td1316;
extern struct dvb_pll_desc dvb_pll_thomson_fe6600;
extern int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf,
- u32 freq, int bandwidth);
+ u32 freq, int bandwidth);
/**
* Attach a dvb-pll to the supplied frontend structure.
@@ -59,6 +59,9 @@ extern int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf,
* @param desc dvb_pll_desc to use.
* @return Frontend pointer on success, NULL on failure
*/
-extern struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, struct i2c_adapter *i2c, struct dvb_pll_desc *desc);
+extern struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe,
+ int pll_addr,
+ struct i2c_adapter *i2c,
+ struct dvb_pll_desc *desc);
#endif
diff --git a/linux/drivers/media/dvb/frontends/lgh06xf.c b/linux/drivers/media/dvb/frontends/lgh06xf.c
index 8bbabd731..25396d199 100644
--- a/linux/drivers/media/dvb/frontends/lgh06xf.c
+++ b/linux/drivers/media/dvb/frontends/lgh06xf.c
@@ -40,19 +40,23 @@ static int lgh06xf_set_params(struct dvb_frontend* fe,
u8 buf[4];
struct i2c_msg msg = { .addr = LG_H06XF_PLL_I2C_ADDR, .flags = 0,
.buf = buf, .len = sizeof(buf) };
- u32 div;
- int i;
- int err;
+ u32 frequency;
+ int result;
+
+ if ((result = dvb_pll_configure(&dvb_pll_lg_tdvs_h06xf, buf,
+ params->frequency, 0)) < 0)
+ return result;
+ else
+ frequency = result;
- dvb_pll_configure(&dvb_pll_lg_tdvs_h06xf, buf, params->frequency, 0);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
- if ((err = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
+ if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
printk(KERN_WARNING "lgh06xf: %s error "
- "(addr %02x <- %02x, err = %i)\n",
- __FUNCTION__, buf[0], buf[1], err);
- if (err < 0)
- return err;
+ "(addr %02x <- %02x, result = %i)\n",
+ __FUNCTION__, buf[0], buf[1], result);
+ if (result < 0)
+ return result;
else
return -EREMOTEIO;
}
@@ -71,26 +75,17 @@ static int lgh06xf_set_params(struct dvb_frontend* fe,
#endif
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
- if ((err = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
+ if ((result = i2c_transfer(priv->i2c, &msg, 1)) != 1) {
printk(KERN_WARNING "lgh06xf: %s error "
- "(addr %02x <- %02x, err = %i)\n",
- __FUNCTION__, buf[0], buf[1], err);
- if (err < 0)
- return err;
+ "(addr %02x <- %02x, result = %i)\n",
+ __FUNCTION__, buf[0], buf[1], result);
+ if (result < 0)
+ return result;
else
return -EREMOTEIO;
}
- // calculate the frequency we set it to
- for (i = 0; i < dvb_pll_lg_tdvs_h06xf.count; i++) {
- if (params->frequency > dvb_pll_lg_tdvs_h06xf.entries[i].limit)
- continue;
- break;
- }
- div = (params->frequency + dvb_pll_lg_tdvs_h06xf.entries[i].offset) /
- dvb_pll_lg_tdvs_h06xf.entries[i].stepsize;
- priv->frequency = (div * dvb_pll_lg_tdvs_h06xf.entries[i].stepsize) -
- dvb_pll_lg_tdvs_h06xf.entries[i].offset;
+ priv->frequency = frequency;
return 0;
}
diff --git a/linux/drivers/media/dvb/ttpci/budget-av.c b/linux/drivers/media/dvb/ttpci/budget-av.c
index 461e8d75b..8bdc90a70 100644
--- a/linux/drivers/media/dvb/ttpci/budget-av.c
+++ b/linux/drivers/media/dvb/ttpci/budget-av.c
@@ -835,7 +835,7 @@ static int philips_sd1878_tda8261_tuner_set_params(struct dvb_frontend *fe,
return -EINVAL;
rc=dvb_pll_configure(&dvb_pll_philips_sd1878_tda8261, buf,
- params->frequency, 0);
+ params->frequency, 0);
if(rc < 0) return rc;
if (fe->ops.i2c_gate_ctrl)
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-09 15:10:13 +0000