3 files changed, 9 insertions, 1 deletions

diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c
index 1f3b16db2036..8f58f241c10d 100644
--- a/drivers/media/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb-core/dvb_frontend.c
@@ -1022,6 +1022,7 @@ static struct dtv_cmds_h dtv_cmds[DTV_MAX_COMMAND + 1] = {
 
         _DTV_CMD(DTV_STREAM_ID, 1, 0),
         _DTV_CMD(DTV_DVBT2_PLP_ID_LEGACY, 1, 0),
+        _DTV_CMD(DTV_LNA, 1, 0),
 
         /* Get */
         _DTV_CMD(DTV_DISEQC_SLAVE_REPLY, 0, 1),
@@ -1730,6 +1731,10 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
         case DTV_INTERLEAVING:
                 c->interleaving = tvp->u.data;
                 break;
+        case DTV_LNA:
+                if (fe->ops.set_lna)
+                        r = fe->ops.set_lna(fe, tvp->u.data);
+                break;
 
         /* ISDB-T Support here */
         case DTV_ISDBT_PARTIAL_RECEPTION:
diff --git a/drivers/media/dvb-core/dvb_frontend.h b/drivers/media/dvb-core/dvb_frontend.h
index 33996a01cd63..44a445cee74f 100644
--- a/drivers/media/dvb-core/dvb_frontend.h
+++ b/drivers/media/dvb-core/dvb_frontend.h
@@ -303,6 +303,7 @@ struct dvb_frontend_ops {
         int (*dishnetwork_send_legacy_command)(struct dvb_frontend* fe, unsigned long cmd);
         int (*i2c_gate_ctrl)(struct dvb_frontend* fe, int enable);
         int (*ts_bus_ctrl)(struct dvb_frontend* fe, int acquire);
+        int (*set_lna)(struct dvb_frontend *, int);
 
         /* These callbacks are for devices that implement their own
          * tuning algorithms, rather than a simple swzigzag
diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h
index 57e2b1763109..c12d452cb40d 100644
--- a/include/linux/dvb/frontend.h
+++ b/include/linux/dvb/frontend.h
@@ -363,8 +363,9 @@ struct dvb_frontend_event {
 #define DTV_ATSCMH_SCCC_CODE_MODE_D     59
 
 #define DTV_INTERLEAVING                        60
+#define DTV_LNA                                 61
 
-#define DTV_MAX_COMMAND                         DTV_INTERLEAVING
+#define DTV_MAX_COMMAND                         DTV_LNA
 
 typedef enum fe_pilot {
         PILOT_ON,
@@ -438,6 +439,7 @@ enum atscmh_rs_code_mode {
 };
 
 #define NO_STREAM_ID_FILTER     (~0U)
+#define LNA_AUTO                (~0U)
 
 struct dtv_cmds_h {
         char    *name;          /* A display name for debugging purposes */