diff options
Diffstat (limited to 'drivers/media/common/tuners/tda18271-fe.c')
| -rw-r--r-- | drivers/media/common/tuners/tda18271-fe.c | 47 |
1 files changed, 26 insertions, 21 deletions
diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c index 9dcbdb17f74..f6328bf3121 100644 --- a/drivers/media/common/tuners/tda18271-fe.c +++ b/drivers/media/common/tuners/tda18271-fe.c @@ -36,6 +36,27 @@ static LIST_HEAD(hybrid_tuner_instance_list); /*---------------------------------------------------------------------*/ +static int tda18271_toggle_output(struct dvb_frontend *fe, int standby) +{ + struct tda18271_priv *priv = fe->tuner_priv; + + int ret = tda18271_set_standby_mode(fe, standby ? 1 : 0, + priv->output_opt & TDA18271_OUTPUT_LT_OFF ? 1 : 0, + priv->output_opt & TDA18271_OUTPUT_XT_OFF ? 1 : 0); + + if (tda_fail(ret)) + goto fail; + + tda_dbg("%s mode: xtal oscillator %s, slave tuner loop thru %s\n", + standby ? "standby" : "active", + priv->output_opt & TDA18271_OUTPUT_XT_OFF ? "off" : "on", + priv->output_opt & TDA18271_OUTPUT_LT_OFF ? "off" : "on"); +fail: + return ret; +} + +/*---------------------------------------------------------------------*/ + static inline int charge_pump_source(struct dvb_frontend *fe, int force) { struct tda18271_priv *priv = fe->tuner_priv; @@ -800,7 +821,7 @@ static int tda18271_init(struct dvb_frontend *fe) mutex_lock(&priv->lock); - /* power up */ + /* full power up */ ret = tda18271_set_standby_mode(fe, 0, 0, 0); if (tda_fail(ret)) goto fail; @@ -1017,24 +1038,8 @@ static int tda18271_sleep(struct dvb_frontend *fe) mutex_lock(&priv->lock); - switch (priv->standby_mode) { - case TDA18271_STANDBY_POWER_OFF: - tda_dbg("standby mode: power off\n"); - ret = tda18271_set_standby_mode(fe, 1, 1, 1); - break; - case TDA18271_STANDBY_XT_ON: - tda_dbg("standby mode: xtal oscillator on\n"); - ret = tda18271_set_standby_mode(fe, 1, 1, 0); - break; - case TDA18271_STANDBY_LT_ON: - tda_dbg("standby mode: slave tuner output / loop thru on\n"); - ret = tda18271_set_standby_mode(fe, 1, 0, 1); - break; - case TDA18271_STANDBY_LT_XT_ON: - default: - tda_dbg("standby mode: loop thru & xtal oscillator on\n"); - ret = tda18271_set_standby_mode(fe, 1, 0, 0); - } + /* enter standby mode, with required output features enabled */ + ret = tda18271_toggle_output(fe, 1); mutex_unlock(&priv->lock); @@ -1214,8 +1219,8 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, priv->gate = (cfg) ? cfg->gate : TDA18271_GATE_AUTO; priv->role = (cfg) ? cfg->role : TDA18271_MASTER; priv->config = (cfg) ? cfg->config : 0; - priv->standby_mode = (cfg) ? - cfg->standby_mode : TDA18271_STANDBY_LT_XT_ON; + priv->output_opt = (cfg) ? + cfg->output_opt : TDA18271_OUTPUT_LT_XT_ON; /* tda18271_cal_on_startup == -1 when cal * module option is unset */ |