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V4L/DVB (5754): Mt20xx: store tuning operations in tuner_operations structure

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Create static struct tuner_operations mt2050_tuner_ops and mt2032_tuner_ops
for mt20xx tuning function callback pointers

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Michael Krufky 2007-06-06 16:14:18 -03:00 • committed by Mauro Carvalho Chehab
parent 7a91a80a0d
commit c22bcb07ad
1 changed files with 26 additions and 16 deletions
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42
drivers/media/video/mt20xx.c
View file

@ -42,6 +42,14 @@ struct microtune_priv {
unsigned int radio_if2; unsigned int radio_if2;
}; };
static void microtune_release(struct i2c_client *c)
{
struct tuner *t = i2c_get_clientdata(c);
kfree(t->priv);
t->priv = NULL;
}
// IsSpurInBand()? // IsSpurInBand()?
static int mt2032_spurcheck(struct i2c_client *c, static int mt2032_spurcheck(struct i2c_client *c,
int f1, int f2, int spectrum_from,int spectrum_to) int f1, int f2, int spectrum_from,int spectrum_to)
@ -308,6 +316,12 @@ static void mt2032_set_radio_freq(struct i2c_client *c, unsigned int freq)
1085*1000*1000,if2,if2,if2); 1085*1000*1000,if2,if2,if2);
} }
static struct tuner_operations mt2032_tuner_ops = {
.set_tv_freq = mt2032_set_tv_freq,
.set_radio_freq = mt2032_set_radio_freq,
.release = microtune_release,
};
// Initalization as described in "MT203x Programming Procedures", Rev 1.2, Feb.2001 // Initalization as described in "MT203x Programming Procedures", Rev 1.2, Feb.2001
static int mt2032_init(struct i2c_client *c) static int mt2032_init(struct i2c_client *c)
{ {
@ -361,8 +375,8 @@ static int mt2032_init(struct i2c_client *c)
} while (xok != 1 ); } while (xok != 1 );
priv->xogc=xogc; priv->xogc=xogc;
t->ops.set_tv_freq = mt2032_set_tv_freq; memcpy(&t->ops, &mt2032_tuner_ops, sizeof(struct tuner_operations));
t->ops.set_radio_freq = mt2032_set_radio_freq;
return(1); return(1);
} }
@ -471,6 +485,12 @@ static void mt2050_set_radio_freq(struct i2c_client *c, unsigned int freq)
mt2050_set_antenna(c, radio_antenna); mt2050_set_antenna(c, radio_antenna);
} }
static struct tuner_operations mt2050_tuner_ops = {
.set_tv_freq = mt2050_set_tv_freq,
.set_radio_freq = mt2050_set_radio_freq,
.release = microtune_release,
};
static int mt2050_init(struct i2c_client *c) static int mt2050_init(struct i2c_client *c)
{ {
struct tuner *t = i2c_get_clientdata(c); struct tuner *t = i2c_get_clientdata(c);
@ -490,19 +510,12 @@ static int mt2050_init(struct i2c_client *c)
i2c_master_recv(c,buf,1); i2c_master_recv(c,buf,1);
tuner_dbg("mt2050: sro is %x\n",buf[0]); tuner_dbg("mt2050: sro is %x\n",buf[0]);
t->ops.set_tv_freq = mt2050_set_tv_freq;
t->ops.set_radio_freq = mt2050_set_radio_freq; memcpy(&t->ops, &mt2050_tuner_ops, sizeof(struct tuner_operations));
return 0; return 0;
} }
static void microtune_release(struct i2c_client *c)
{
struct tuner *t = i2c_get_clientdata(c);
kfree(t->priv);
t->priv = NULL;
}
int microtune_init(struct i2c_client *c) int microtune_init(struct i2c_client *c)
{ {
struct microtune_priv *priv = NULL; struct microtune_priv *priv = NULL;
@ -519,10 +532,7 @@ int microtune_init(struct i2c_client *c)
priv->radio_if2 = 10700 * 1000; /* 10.7MHz - FM radio */ priv->radio_if2 = 10700 * 1000; /* 10.7MHz - FM radio */
memset(buf,0,sizeof(buf)); memset(buf,0,sizeof(buf));
t->ops.set_tv_freq = NULL;
t->ops.set_radio_freq = NULL;
t->ops.standby = NULL;
t->ops.release = microtune_release;
if (t->std & V4L2_STD_525_60) { if (t->std & V4L2_STD_525_60) {
tuner_dbg("pinnacle ntsc\n"); tuner_dbg("pinnacle ntsc\n");
priv->radio_if2 = 41300 * 1000; priv->radio_if2 = 41300 * 1000;