diff options
| author | Michael Krufky <mkrufky@linuxtv.org> | 2007-08-31 17:38:02 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-10-09 22:07:50 -0300 |
| commit | 1f5ef19779df2c2f75870332b37dd3004c08a515 (patch) | |
| tree | 684c5f74ad264e10e9abf39146772f767169d8d5 | |
| parent | 3782e050f8860fb701d4cb14df16cd4ed9cce2d2 (diff) | |
V4L/DVB (6141): tuner: use get_rf_strength instead of get_status to determine signal strength
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
| -rw-r--r-- | drivers/media/video/tuner-core.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c index 8ee0be26107..2f74379f4e4 100644 --- a/drivers/media/video/tuner-core.c +++ b/drivers/media/video/tuner-core.c @@ -110,6 +110,17 @@ static void fe_standby(struct tuner *t) fe_tuner_ops->sleep(&t->fe); } +static int fe_has_signal(struct tuner *t) +{ + struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops; + u16 strength; + + if (fe_tuner_ops->get_rf_strength) + fe_tuner_ops->get_rf_strength(&t->fe, &strength); + + return strength; +} + /* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */ static void set_tv_freq(struct i2c_client *c, unsigned int freq) { @@ -326,6 +337,7 @@ static void set_type(struct i2c_client *c, unsigned int type, t->ops.set_radio_freq = fe_set_freq; t->ops.standby = fe_standby; t->ops.release = fe_release; + t->ops.has_signal = fe_has_signal; } tuner_info("type set to %s\n", t->i2c.name); @@ -807,12 +819,10 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) u32 tuner_status; fe_tuner_ops->get_status(&t->fe, &tuner_status); - if (tuner_status & TUNER_STATUS_STEREO) - vt->flags |= VIDEO_TUNER_STEREO_ON; - else - vt->flags &= ~VIDEO_TUNER_STEREO_ON; - vt->signal = tuner_status & TUNER_STATUS_LOCKED - ? 65535 : 0; + if (tuner_status & TUNER_STATUS_STEREO) + vt->flags |= VIDEO_TUNER_STEREO_ON; + else + vt->flags &= ~VIDEO_TUNER_STEREO_ON; } else { if (t->ops.is_stereo) { if (t->ops.is_stereo(t)) @@ -822,9 +832,10 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) vt->flags &= ~VIDEO_TUNER_STEREO_ON; } - if (t->ops.has_signal) - vt->signal = t->ops.has_signal(t); } + if (t->ops.has_signal) + vt->signal = t->ops.has_signal(t); + vt->flags |= VIDEO_TUNER_LOW; /* Allow freqs at 62.5 Hz */ vt->rangelow = radio_range[0] * 16000; @@ -948,15 +959,14 @@ static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) fe_tuner_ops->get_status(&t->fe, &tuner_status); tuner->rxsubchans = (tuner_status & TUNER_STATUS_STEREO) ? V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; - tuner->signal = tuner_status & TUNER_STATUS_LOCKED ? 65535 : 0; } else { if (t->ops.is_stereo) { tuner->rxsubchans = t->ops.is_stereo(t) ? V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; } - if (t->ops.has_signal) - tuner->signal = t->ops.has_signal(t); } + if (t->ops.has_signal) + tuner->signal = t->ops.has_signal(t); tuner->capability |= V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; tuner->audmode = t->audmode; |