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authorMichael Krufky <mkrufky@linuxtv.org>2008-01-13 18:29:44 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-01-25 19:04:59 -0200
commit839c6c96d05894815b7af0dff22b710ce5a4373a (patch)
treea6f6559bd67481f3a7c883e04f2ccabd71794a0d
parent518d87399baee908b0353bc0ef7d41c3c46295ec (diff)
V4L/DVB (7028): tda18271: test RF_CAL_OK to see if we need additional RF calibration
Test RF_CAL_OK to see if we need to perform the RF tracking filter calibration after returning from standby. Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
-rw-r--r--drivers/media/dvb/frontends/tda18271-fe.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/tda18271-fe.c b/drivers/media/dvb/frontends/tda18271-fe.c
index c8ab1fda1de..8eb9a537970 100644
--- a/drivers/media/dvb/frontends/tda18271-fe.c
+++ b/drivers/media/dvb/frontends/tda18271-fe.c
@@ -586,6 +586,11 @@ static int tda18271_calc_rf_filter_curve(struct dvb_frontend *fe)
static int tda18271_rf_cal_init(struct dvb_frontend *fe)
{
struct tda18271_priv *priv = fe->tuner_priv;
+ unsigned char *regs = priv->tda18271_regs;
+
+ /* test RF_CAL_OK to see if we need init */
+ if ((regs[R_EP1] & 0x10) == 0)
+ priv->cal_initialized = false;
if (priv->cal_initialized)
return 0;