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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 a2631be7ffa..08e0f0dd872 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)
903{ 903{
904 struct dtv_frontend_properties *fe_params = &fe->dtv_property_cache; 904 struct dtv_frontend_properties *fe_params = &fe->dtv_property_cache;
905 struct tda1004x_state* state = fe->demodulator_priv; 905 struct tda1004x_state* state = fe->demodulator_priv;
906 int status;
906 907
907 dprintk("%s\n", __func__); 908 dprintk("%s\n", __func__);
908 909
910 status = tda1004x_read_byte(state, TDA1004X_STATUS_CD);
911 if (status == -1)
912 return -EIO;
913
914 /* Only update the properties cache if device is locked */
915 if (!(status & 8))
916 return 0;
917
909 // inversion status 918 // inversion status
910 fe_params->inversion = INVERSION_OFF; 919 fe_params->inversion = INVERSION_OFF;
911 if (tda1004x_read_byte(state, TDA1004X_CONFC1) & 0x20) 920 if (tda1004x_read_byte(state, TDA1004X_CONFC1) & 0x20)