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| author | Michael Krufky <mkrufky@linuxtv.org> | 2007-08-31 16:53:00 -0400 |
|---|---|---|
| committer | Michael Krufky <mkrufky@linuxtv.org> | 2007-08-31 16:53:00 -0400 |
| commit | cac470f0905c306738799f4b19fc6aa2a082a743 (patch) | |
| tree | d818238fee19ac605c4adadc96a1e367c5f4239f /linux/drivers/media/video/tda8290.c | |
| parent | 7435919d5b5f6bdae2461986721ede0b2075b67e (diff) | |
| download | mediapointer-dvb-s2-cac470f0905c306738799f4b19fc6aa2a082a743.tar.gz mediapointer-dvb-s2-cac470f0905c306738799f4b19fc6aa2a082a743.tar.bz2 | |
tda8290: add get_rf_strength and improve status reading efficiency
From: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Diffstat (limited to 'linux/drivers/media/video/tda8290.c')
| -rw-r--r-- | linux/drivers/media/video/tda8290.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/linux/drivers/media/video/tda8290.c b/linux/drivers/media/video/tda8290.c index fc55c6122..e00b3516b 100644 --- a/linux/drivers/media/video/tda8290.c +++ b/linux/drivers/media/video/tda8290.c @@ -557,27 +557,35 @@ static int tda8290_set_params(struct dvb_frontend *fe, static int tda8290_has_signal(struct dvb_frontend *fe) { struct tda8290_priv *priv = fe->tuner_priv; + int ret; unsigned char i2c_get_afc[1] = { 0x1B }; unsigned char afc = 0; + /* for now, report based on afc status */ tuner_i2c_xfer_send(&priv->i2c_props, i2c_get_afc, ARRAY_SIZE(i2c_get_afc)); tuner_i2c_xfer_recv(&priv->i2c_props, &afc, 1); - return (afc & 0x80)? 65535:0; + + ret = (afc & 0x80) ? 65535 : 0; + + tuner_dbg("AFC status: %d\n", ret); + + return ret; } static int tda8290_get_status(struct dvb_frontend *fe, u32 *status) { - struct tda8290_priv *priv = fe->tuner_priv; - - int signal = tda8290_has_signal(fe); *status = 0; - /* for now, report based on afc status */ - if (signal) + if (tda8290_has_signal(fe)) *status = TUNER_STATUS_LOCKED; - tuner_dbg("tda8290: AFC status: %d\n", signal); + return 0; +} + +static int tda8290_get_rf_strength(struct dvb_frontend *fe, u16 *strength) +{ + *strength = tda8290_has_signal(fe); return 0; } @@ -660,6 +668,7 @@ static struct dvb_tuner_ops tda8290_tuner_ops = { .release = tda8290_release, .get_frequency = tda8290_get_frequency, .get_status = tda8290_get_status, + .get_rf_strength = tda8290_get_rf_strength, }; struct dvb_frontend *tda8290_attach(struct dvb_frontend *fe, |