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authorMichael Krufky <mkrufky@linuxtv.org>2008-05-04 19:26:47 -0400
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-05-14 01:54:06 -0400
commit10ed0bf4af00c25590e8bfca344d8dec5c3637ae (patch)
treee7f926ff1cc5e3c4e06f3710ebe911cad7dafa46
parent20f4206379260e3ca02c8ee57bc3da9b0c7d09da (diff)
V4L/DVB (7843): tda18271: fix error handling in tda18271c1_rf_tracking_filter_calibration
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
-rw-r--r--drivers/media/common/tuners/tda18271-fe.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/common/tuners/tda18271-fe.c b/drivers/media/common/tuners/tda18271-fe.c
index 8b44d4c62bfe..13d651c987a3 100644
--- a/drivers/media/common/tuners/tda18271-fe.c
+++ b/drivers/media/common/tuners/tda18271-fe.c
@@ -665,6 +665,7 @@ static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe,
665{ 665{
666 struct tda18271_priv *priv = fe->tuner_priv; 666 struct tda18271_priv *priv = fe->tuner_priv;
667 unsigned char *regs = priv->tda18271_regs; 667 unsigned char *regs = priv->tda18271_regs;
668 int ret;
668 u32 N = 0; 669 u32 N = 0;
669 670
670 /* calculate bp filter */ 671 /* calculate bp filter */
@@ -713,7 +714,10 @@ static int tda18271c1_rf_tracking_filter_calibration(struct dvb_frontend *fe,
713 714
714 tda18271_calc_main_pll(fe, N); 715 tda18271_calc_main_pll(fe, N);
715 716
716 tda18271_write_regs(fe, R_EP3, 11); 717 ret = tda18271_write_regs(fe, R_EP3, 11);
718 if (ret < 0)
719 return ret;
720
717 msleep(5); /* RF tracking filter calibration initialization */ 721 msleep(5); /* RF tracking filter calibration initialization */
718 722
719 /* search for K,M,CO for RF calibration */ 723 /* search for K,M,CO for RF calibration */