| Message ID | 1414324874-16417-1-git-send-email-tskd08@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Moikka How is channel bandwidth defined? Is it static? 38961000 Hz? regards Antti On 10/26/2014 02:01 PM, tskd08@gmail.com wrote: > From: Akihiro Tsukada <tskd08@gmail.com> > > delsys-fixed props should be set in dvb-core instead of in each driver. > --- > drivers/media/dvb-core/dvb_frontend.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c > index c862ad7..1e9b814 100644 > --- a/drivers/media/dvb-core/dvb_frontend.c > +++ b/drivers/media/dvb-core/dvb_frontend.c > @@ -962,6 +962,10 @@ static int dvb_frontend_clear_cache(struct dvb_frontend *fe) > case SYS_ATSC: > c->modulation = VSB_8; > break; > + case SYS_ISDBS: > + c->symbol_rate = 28860000; > + c->rolloff = ROLLOFF_35; > + break; > default: > c->modulation = QAM_AUTO; > break; > @@ -2074,6 +2078,7 @@ static int dtv_set_frontend(struct dvb_frontend *fe) > break; > case SYS_DVBS: > case SYS_TURBO: > + case SYS_ISDBS: > rolloff = 135; > break; > case SYS_DVBS2: >
On 2014?10?27? 01:33, Antti Palosaari wrote: > You should calculate bw too as tuners needs set filters according to > used channel bw. You could calculate nominal needed be using formula: > bandwidth = roll-off factor * symbol rate I'll include it in the next version. thx -- Akihiro -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/media/dvb-core/dvb_frontend.c b/drivers/media/dvb-core/dvb_frontend.c index c862ad7..1e9b814 100644 --- a/drivers/media/dvb-core/dvb_frontend.c +++ b/drivers/media/dvb-core/dvb_frontend.c @@ -962,6 +962,10 @@ static int dvb_frontend_clear_cache(struct dvb_frontend *fe) case SYS_ATSC: c->modulation = VSB_8; break; + case SYS_ISDBS: + c->symbol_rate = 28860000; + c->rolloff = ROLLOFF_35; + break; default: c->modulation = QAM_AUTO; break; @@ -2074,6 +2078,7 @@ static int dtv_set_frontend(struct dvb_frontend *fe) break; case SYS_DVBS: case SYS_TURBO: + case SYS_ISDBS: rolloff = 135; break; case SYS_DVBS2:
From: Akihiro Tsukada <tskd08@gmail.com> delsys-fixed props should be set in dvb-core instead of in each driver. --- drivers/media/dvb-core/dvb_frontend.c | 5 +++++ 1 file changed, 5 insertions(+)