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authorSteven Toth <stoth@linuxtv.org>2008-09-12 00:53:50 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-10-12 09:37:05 -0200
commit80a773c9bcc6f67944e186de3d2ab8b582889bc8 (patch)
tree02f19034a5168b0b2b26328417d551ac2671ab56 /drivers/media/dvb/dvb-core
parentd7c1500183bc138b634377ed90c046e722b887d8 (diff)
V4L/DVB (9002): S2API: Ensure cache->delivery_system is set at all times.
This helps complex demods which support different modulation types be better informed. Signed-off-by: Steven Toth <stoth@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/dvb-core')
-rw-r--r--drivers/media/dvb/dvb-core/dvb_frontend.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.c b/drivers/media/dvb/dvb-core/dvb_frontend.c
index dc76f9935c8..205f60262c3 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.c
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.c
@@ -1010,11 +1010,13 @@ void dtv_property_cache_sync(struct dvb_frontend *fe, struct dvb_frontend_parame
case FE_QPSK:
c->symbol_rate = p->u.qpsk.symbol_rate;
c->fec_inner = p->u.qpsk.fec_inner;
+ c->delivery_system = SYS_DVBS;
break;
case FE_QAM:
c->symbol_rate = p->u.qam.symbol_rate;
c->fec_inner = p->u.qam.fec_inner;
c->modulation = p->u.qam.modulation;
+ c->delivery_system = SYS_DVBC_ANNEX_AC;
break;
case FE_OFDM:
c->bandwidth = p->u.ofdm.bandwidth;
@@ -1024,9 +1026,14 @@ void dtv_property_cache_sync(struct dvb_frontend *fe, struct dvb_frontend_parame
c->transmission_mode = p->u.ofdm.transmission_mode;
c->guard_interval = p->u.ofdm.guard_interval;
c->hierarchy = p->u.ofdm.hierarchy_information;
+ c->delivery_system = SYS_DVBT;
break;
case FE_ATSC:
c->modulation = p->u.vsb.modulation;
+ if ((c->modulation == VSB_8) || (c->modulation == VSB_16))
+ c->delivery_system = SYS_ATSC;
+ else
+ c->delivery_system = SYS_DVBC_ANNEX_B;
break;
}
}
@@ -1050,12 +1057,14 @@ void dtv_property_legacy_params_sync(struct dvb_frontend *fe)
printk("%s() Preparing QPSK req\n", __FUNCTION__);
p->u.qpsk.symbol_rate = c->symbol_rate;
p->u.qpsk.fec_inner = c->fec_inner;
+ c->delivery_system = SYS_DVBS;
break;
case FE_QAM:
printk("%s() Preparing QAM req\n", __FUNCTION__);
p->u.qam.symbol_rate = c->symbol_rate;
p->u.qam.fec_inner = c->fec_inner;
p->u.qam.modulation = c->modulation;
+ c->delivery_system = SYS_DVBC_ANNEX_AC;
break;
case FE_OFDM:
printk("%s() Preparing OFDM req\n", __FUNCTION__);
@@ -1066,10 +1075,15 @@ void dtv_property_legacy_params_sync(struct dvb_frontend *fe)
p->u.ofdm.transmission_mode = c->transmission_mode;
p->u.ofdm.guard_interval = c->guard_interval;
p->u.ofdm.hierarchy_information = c->hierarchy;
+ c->delivery_system = SYS_DVBT;
break;
case FE_ATSC:
printk("%s() Preparing VSB req\n", __FUNCTION__);
p->u.vsb.modulation = c->modulation;
+ if ((c->modulation == VSB_8) || (c->modulation == VSB_16))
+ c->delivery_system = SYS_ATSC;
+ else
+ c->delivery_system = SYS_DVBC_ANNEX_B;
break;
}
}