diff options
Diffstat (limited to 'drivers/media/video/tuner-xc2028.c')
| -rw-r--r-- | drivers/media/video/tuner-xc2028.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/media/video/tuner-xc2028.c b/drivers/media/video/tuner-xc2028.c index a32094e545f7..cc3db7d79a0d 100644 --- a/drivers/media/video/tuner-xc2028.c +++ b/drivers/media/video/tuner-xc2028.c @@ -844,21 +844,28 @@ static int xc2028_signal(struct dvb_frontend *fe, u16 *strength) /* Sync Lock Indicator */ rc = xc2028_get_reg(priv, 0x0002, &frq_lock); - if (rc < 0 || frq_lock == 0) + if (rc < 0) goto ret; - /* Frequency is locked. Return signal quality */ + /* Frequency is locked */ + if (frq_lock == 1) + signal = 32768; /* Get SNR of the video signal */ rc = xc2028_get_reg(priv, 0x0040, &signal); if (rc < 0) - signal = -frq_lock; + goto ret; + + /* Use both frq_lock and signal to generate the result */ + signal = signal || ((signal & 0x07) << 12); ret: mutex_unlock(&priv->lock); *strength = signal; + tuner_dbg("signal strength is %d\n", signal); + return rc; } |