summaryrefslogtreecommitdiff
path: root/drivers/media/dvb-frontends/tda1004x.c
diff options
context:
space:
mode:
authorLinus Walleij <linus.walleij@linaro.org>2016-03-10 09:29:25 +0700
committerLinus Walleij <linus.walleij@linaro.org>2016-03-10 09:29:25 +0700
commitcc998d8bc74341f6bbbcd63ab4449a6acfc45ee9 (patch)
tree2f4e23fa1ceb83b3e720afd52d9a5ef2be26c77e /drivers/media/dvb-frontends/tda1004x.c
parentd2d13ed01362ecddc3f76f9cca31b0cd5d663a7e (diff)
parent81f70ba233d5f660e1ea5fe23260ee323af5d53a (diff)
Merge tag 'v4.5-rc5' into devel
Linux 4.5-rc5
Diffstat (limited to 'drivers/media/dvb-frontends/tda1004x.c')
-rw-r--r--drivers/media/dvb-frontends/tda1004x.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/tda1004x.c b/drivers/media/dvb-frontends/tda1004x.c
index 0e209b56c76c..c6abeb4fba9d 100644
--- a/drivers/media/dvb-frontends/tda1004x.c
+++ b/drivers/media/dvb-frontends/tda1004x.c
@@ -903,9 +903,18 @@ static int tda1004x_get_fe(struct dvb_frontend *fe)
{
struct dtv_frontend_properties *fe_params = &fe->dtv_property_cache;
struct tda1004x_state* state = fe->demodulator_priv;
+ int status;
dprintk("%s\n", __func__);
+ status = tda1004x_read_byte(state, TDA1004X_STATUS_CD);
+ if (status == -1)
+ return -EIO;
+
+ /* Only update the properties cache if device is locked */
+ if (!(status & 8))
+ return 0;
+
// inversion status
fe_params->inversion = INVERSION_OFF;
if (tda1004x_read_byte(state, TDA1004X_CONFC1) & 0x20)