diff options
| -rw-r--r-- | drivers/media/video/tuner-core.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c index a9c9703113c..5b3eaa16afd 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); |