I am trying to use the new API for DVB-T and I have some problems. They are
not way to set code_rate_HP, code_rate_LP, transmission_mode, and
guard_interval , and the default values are 0, that are not the AUTO ones.
Also the bandwidth is not treated well. The attached patch is a workaround
that works for me.
Thanks.
Jose Alberto
diff -r 979d14edeb2e linux/drivers/media/dvb/dvb-core/dvb_frontend.c
--- a/linux/drivers/media/dvb/dvb-core/dvb_frontend.c Sat Oct 04 21:37:36 2008 -0300
+++ b/linux/drivers/media/dvb/dvb-core/dvb_frontend.c Mon Oct 06 14:14:39 2008 +0200
@@ -974,15 +974,7 @@
c->delivery_system = SYS_DVBC_ANNEX_AC;
break;
case FE_OFDM:
- if (p->u.ofdm.bandwidth == BANDWIDTH_6_MHZ)
- c->bandwidth_hz = 6000000;
- else if (p->u.ofdm.bandwidth == BANDWIDTH_7_MHZ)
- c->bandwidth_hz = 7000000;
- else if (p->u.ofdm.bandwidth == BANDWIDTH_8_MHZ)
- c->bandwidth_hz = 8000000;
- else
- /* Including BANDWIDTH_AUTO */
- c->bandwidth_hz = 0;
+ c->bandwidth_hz = p->u.ofdm.bandwidth;
c->code_rate_HP = p->u.ofdm.code_rate_HP;
c->code_rate_LP = p->u.ofdm.code_rate_LP;
c->modulation = p->u.ofdm.constellation;
@@ -1031,19 +1023,12 @@
break;
case FE_OFDM:
printk("%s() Preparing OFDM req\n", __FUNCTION__);
- if (c->bandwidth_hz == 6000000)
- p->u.ofdm.bandwidth = BANDWIDTH_6_MHZ;
- else if (c->bandwidth_hz == 7000000)
- p->u.ofdm.bandwidth = BANDWIDTH_7_MHZ;
- else if (c->bandwidth_hz == 8000000)
- p->u.ofdm.bandwidth = BANDWIDTH_8_MHZ;
- else
- p->u.ofdm.bandwidth = BANDWIDTH_AUTO;
- p->u.ofdm.code_rate_HP = c->code_rate_HP;
- p->u.ofdm.code_rate_LP = c->code_rate_LP;
+ p->u.ofdm.bandwidth = c->bandwidth_hz;
+ p->u.ofdm.code_rate_HP = FEC_AUTO;
+ p->u.ofdm.code_rate_LP = FEC_AUTO;
p->u.ofdm.constellation = c->modulation;
- p->u.ofdm.transmission_mode = c->transmission_mode;
- p->u.ofdm.guard_interval = c->guard_interval;
+ p->u.ofdm.transmission_mode = TRANSMISSION_MODE_AUTO;
+ p->u.ofdm.guard_interval = GUARD_INTERVAL_AUTO;
p->u.ofdm.hierarchy_information = c->hierarchy;
c->delivery_system = SYS_DVBT;
break;
_______________________________________________
linux-dvb mailing list
linux-dvb@xxxxxxxxxxx
http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
