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| author |   Michael Krufky <mkrufky@linuxtv.org> | 2008-01-13 22:01:07 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-01-25 19:05:00 -0200 |
| commit | 0f96251e7bfb2b2798f35e70efaa54bae65bfb9c (patch) | |
| tree | 64ef003e028ceaffd47d3f0f37b1771604844348 /drivers/media | |
| parent | V4L/DVB (7028): tda18271: test RF_CAL_OK to see if we need additional RF calibration (diff) | |
| download | linux-dev-0f96251e7bfb2b2798f35e70efaa54bae65bfb9c.tar.xz linux-dev-0f96251e7bfb2b2798f35e70efaa54bae65bfb9c.zip | |
V4L/DVB (7029): tda18271: provide a choice whether to perform rf cal on init or on first tune
If module option "cal" is set to 1, the ~22 sec rf tracking filter calibration
sequence will be invoked on startup. Otherwise, the calibration will take
place during the first tune.
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/dvb/frontends/tda18271-fe.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/tda18271-fe.c b/drivers/media/dvb/frontends/tda18271-fe.c index 8eb9a537970a..7c80516a4487 100644 --- a/drivers/media/dvb/frontends/tda18271-fe.c +++ b/drivers/media/dvb/frontends/tda18271-fe.c @@ -27,6 +27,10 @@ module_param_named(debug, tda18271_debug, int, 0644); MODULE_PARM_DESC(debug, "set debug level " "(info=1, map=2, reg=4, adv=8, cal=16 (or-able))"); +int tda18271_cal_on_startup; +module_param_named(cal, tda18271_cal_on_startup, int, 0644); +MODULE_PARM_DESC(cal, "perform RF tracking filter calibration on startup"); + static LIST_HEAD(tda18271_list); static DEFINE_MUTEX(tda18271_list_mutex); @@ -1177,6 +1181,10 @@ struct dvb_frontend *tda18271_attach(struct dvb_frontend *fe, u8 addr, mutex_lock(&priv->lock); tda18271_init_regs(fe); + + if ((tda18271_cal_on_startup) && (priv->id == TDA18271HDC2)) + tda18271_rf_cal_init(fe); + mutex_unlock(&priv->lock); } |