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-rw-r--r--drivers/media/video/tuner-core.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
index a9c9703113c2..5b3eaa16afd2 100644
--- a/drivers/media/video/tuner-core.c
+++ b/drivers/media/video/tuner-core.c
@@ -320,6 +320,7 @@ static void set_type(struct i2c_client *c, unsigned int type,
struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops;
unsigned char buffer[4];
+ int tune_now = 1;
if (type == UNSET || type == TUNER_ABSENT) {
tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr);
@@ -404,6 +405,7 @@ static void set_type(struct i2c_client *c, unsigned int type,
};
if (!dvb_attach(xc2028_attach, &t->fe, &cfg))
goto attach_failed;
+ tune_now = 0;
break;
}
case TUNER_TDA9887:
@@ -419,6 +421,7 @@ static void set_type(struct i2c_client *c, unsigned int type,
if (!dvb_attach(xc5000_attach,
&t->fe, t->i2c->adapter, &xc5000_cfg))
goto attach_failed;
+ tune_now = 0;
break;
}
case TUNER_NXP_TDA18271:
@@ -430,6 +433,7 @@ static void set_type(struct i2c_client *c, unsigned int type,
if (!dvb_attach(tda18271_attach, &t->fe, t->i2c->addr,
t->i2c->adapter, &cfg))
goto attach_failed;
+ tune_now = 0;
break;
}
default:
@@ -458,12 +462,13 @@ static void set_type(struct i2c_client *c, unsigned int type,
if (t->mode_mask == T_UNINITIALIZED)
t->mode_mask = new_mode_mask;
- /* xc2028/3028 and xc5000 requires a firmware to be set-up later
+ /* Some tuners require more initialization setup before use,
+ such as firmware download or device calibration.
trying to set a frequency here will just fail
FIXME: better to move set_freq to the tuner code. This is needed
on analog tuners for PLL to properly work
*/
- if (t->type != TUNER_XC2028 && t->type != TUNER_XC5000)
+ if (tune_now)
set_freq(c, (V4L2_TUNER_RADIO == t->mode) ?
t->radio_freq : t->tv_freq);
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