diff options
| -rw-r--r-- | drivers/media/tuners/tuner-xc2028.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/media/tuners/tuner-xc2028.c b/drivers/media/tuners/tuner-xc2028.c index 75afab718ba6..cca508d4aafb 100644 --- a/drivers/media/tuners/tuner-xc2028.c +++ b/drivers/media/tuners/tuner-xc2028.c @@ -267,6 +267,7 @@ static int check_device_status(struct xc2028_data *priv) case XC2028_WAITING_FIRMWARE: return -EAGAIN; case XC2028_ACTIVE: + return 1; case XC2028_SLEEP: return 0; case XC2028_NODEV: @@ -913,6 +914,12 @@ static int xc2028_signal(struct dvb_frontend *fe, u16 *strength) if (rc < 0) return rc; + /* If the device is sleeping, no channel is tuned */ + if (!rc) { + *strength = 0; + return 0; + } + mutex_lock(&priv->lock); /* Sync Lock Indicator */ @@ -960,6 +967,12 @@ static int xc2028_get_afc(struct dvb_frontend *fe, s32 *afc) if (rc < 0) return rc; + /* If the device is sleeping, no channel is tuned */ + if (!rc) { + *afc = 0; + return 0; + } + mutex_lock(&priv->lock); /* Sync Lock Indicator */ @@ -1277,12 +1290,12 @@ static int xc2028_sleep(struct dvb_frontend *fe) if (rc < 0) return rc; - /* Avoid firmware reload on slow devices or if PM disabled */ - if (no_poweroff || priv->ctrl.disable_power_mgmt) + /* Device is already in sleep mode */ + if (!rc) return 0; - /* Device is already in sleep mode */ - if (priv->state == XC2028_SLEEP) + /* Avoid firmware reload on slow devices or if PM disabled */ + if (no_poweroff || priv->ctrl.disable_power_mgmt) return 0; tuner_dbg("Putting xc2028/3028 into poweroff mode.\n"); |
