summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorHIRANO Takahito <hiranotaka@zng.info>2009-09-18 16:17:54 +0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-09-19 05:51:34 +0200
commit98293ef3e54f9f2175f11b4d14c119a2ff753d61 (patch)
treeb28a29a90f74915e0b9daa376c91763b2cf9f6dc
parentV4L/DVB(12993b): gl860: Prevent a potential risk of zeroing a floating pointer (diff)
downloadlinux-98293ef3e54f9f2175f11b4d14c119a2ff753d61.tar.xz
linux-98293ef3e54f9f2175f11b4d14c119a2ff753d61.zip
V4L/DVB (12997): Add the DTV_ISDB_TS_ID property for ISDB_S
In ISDB-S, time-devision duplex is used to multiplexing several waves in the same frequency. Each wave is identified by its own transport stream ID, or TS ID. We need to provide some way to specify this ID from user applications to handle ISDB-S frontends. This code has been tested with the Earthsoft PT1 driver. [mchehab@infradead.org: Fix merge conflicts with isdbt and rename the new parameter to DTV_ISDBS_TS_ID] Signed-off-by: HIRANO Takahito <hiranotaka@zng.info> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/dvb/dvb-core/dvb_frontend.c8
-rw-r--r--drivers/media/dvb/dvb-core/dvb_frontend.h3
-rw-r--r--include/linux/dvb/frontend.h4
3 files changed, 14 insertions, 1 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index 3c9482660eac..ddf639ed2fd8 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -1031,6 +1031,8 @@ static struct dtv_cmds_h dtv_cmds[] = {
_DTV_CMD(DTV_ISDBT_LAYERC_SEGMENT_COUNT, 0, 0),
_DTV_CMD(DTV_ISDBT_LAYERC_TIME_INTERLEAVING, 0, 0),
+ _DTV_CMD(DTV_ISDBS_TS_ID, 1, 0),
+
/* Get */
[DTV_DISEQC_SLAVE_REPLY] = {
.name = "DTV_DISEQC_SLAVE_REPLY",
@@ -1420,6 +1422,9 @@ static int dtv_property_process_get(struct dvb_frontend *fe,
case DTV_ISDBT_LAYERC_TIME_INTERLEAVING:
tvp->u.data = fe->dtv_property_cache.layer[2].interleaving;
break;
+ case DTV_ISDBS_TS_ID:
+ tvp->u.data = fe->dtv_property_cache.isdbs_ts_id;
+ break;
default:
r = -1;
}
@@ -1571,6 +1576,9 @@ static int dtv_property_process_set(struct dvb_frontend *fe,
case DTV_ISDBT_LAYERC_TIME_INTERLEAVING:
fe->dtv_property_cache.layer[2].interleaving = tvp->u.data;
break;
+ case DTV_ISDBS_TS_ID:
+ fe->dtv_property_cache.isdbs_ts_id = tvp->u.data;
+ break;
default:
r = -1;
}
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h
index 9e46f1772c54..810f07d63246 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.h
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.h
@@ -355,6 +355,9 @@ struct dtv_frontend_properties {
fe_modulation_t modulation;
u8 interleaving;
} layer[3];
+
+ /* ISDB-T specifics */
+ u32 isdbs_ts_id;
};
struct dvb_frontend {
diff --git a/include/linux/dvb/frontend.h b/include/linux/dvb/frontend.h
index 25b01c14727b..b6cb5425cde3 100644
--- a/include/linux/dvb/frontend.h
+++ b/include/linux/dvb/frontend.h
@@ -302,7 +302,9 @@ struct dvb_frontend_event {
#define DTV_ISDBT_LAYER_ENABLED 41
-#define DTV_MAX_COMMAND DTV_ISDBT_LAYER_ENABLED
+#define DTV_ISDBS_TS_ID 42
+
+#define DTV_MAX_COMMAND DTV_ISDBS_TS_ID
typedef enum fe_pilot {
PILOT_ON,