diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/common/tuners/tda18271-fe.c | 20 | ||||
| -rw-r--r-- | drivers/media/common/tuners/tda18271.h | 3 |
2 files changed, 21 insertions, 2 deletions
diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c index b1093563015..bc4b004ba7d 100644 --- a/drivers/media/common/tuners/tda18271-fe.c +++ b/drivers/media/common/tuners/tda18271-fe.c @@ -27,7 +27,7 @@ module_param_named(debug, tda18271_debug, int, 0644); MODULE_PARM_DESC(debug, "set debug level " "(info=1, map=2, reg=4, adv=8, cal=16 (or-able))"); -static int tda18271_cal_on_startup; +static int tda18271_cal_on_startup = -1; module_param_named(cal, tda18271_cal_on_startup, int, 0644); MODULE_PARM_DESC(cal, "perform RF tracking filter calibration on startup"); @@ -1192,10 +1192,25 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, case 0: goto fail; case 1: + { /* new tuner instance */ + int rf_cal_on_startup; + priv->gate = (cfg) ? cfg->gate : TDA18271_GATE_AUTO; priv->role = (cfg) ? cfg->role : TDA18271_MASTER; priv->config = (cfg) ? cfg->config : 0; + + /* tda18271_cal_on_startup == -1 when cal + * module option is unset */ + if (tda18271_cal_on_startup == -1) { + /* honor attach-time configuration */ + rf_cal_on_startup = + ((cfg) && (cfg->rf_cal_on_startup)) ? 1 : 0; + } else { + /* module option overrides attach configuration */ + rf_cal_on_startup = tda18271_cal_on_startup; + } + priv->cal_initialized = false; mutex_init(&priv->lock); @@ -1213,11 +1228,12 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, mutex_lock(&priv->lock); tda18271_init_regs(fe); - if ((tda18271_cal_on_startup) && (priv->id == TDA18271HDC2)) + if ((rf_cal_on_startup) && (priv->id == TDA18271HDC2)) tda18271c2_rf_cal_init(fe); mutex_unlock(&priv->lock); break; + } default: /* existing tuner instance */ fe->tuner_priv = priv; diff --git a/drivers/media/common/tuners/tda18271.h b/drivers/media/common/tuners/tda18271.h index 53a9892a18d..71bac9593f1 100644 --- a/drivers/media/common/tuners/tda18271.h +++ b/drivers/media/common/tuners/tda18271.h @@ -77,6 +77,9 @@ struct tda18271_config { /* use i2c gate provided by analog or digital demod */ enum tda18271_i2c_gate gate; + /* force rf tracking filter calibration on startup */ + unsigned int rf_cal_on_startup:1; + /* some i2c providers cant write all 39 registers at once */ unsigned int small_i2c:1; |