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authorAlex Shi <alex.shi@linaro.org>2016-03-14 15:37:53 +0800
committerAlex Shi <alex.shi@linaro.org>2016-03-14 15:37:53 +0800
commitfbb0b56de45bc81681eeeaec29e6c1e3ff12a200 (patch)
treeb40400c596280b6fe6b03641618bb73d196952c3 /drivers/media/dvb-frontends/tda1004x.c
parent9d8a5571197f43541c8eec6d8d4dcd1ff4deecec (diff)
parent19d0bd71d564448446bd851d752caf3e31520ac8 (diff)
Merge tag 'v3.10.100' into linux-linaro-lsk-v3.10lsk-v3.10-16.03linux-linaro-lsk-v3.10
This is the 3.10.100 stable release
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 a2631be7ffac..08e0f0dd8728 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)