Re: [v3.3-rc1] media:dvb-t regression bisected

From: Mauro Carvalho Chehab
Date: Mon Jan 23 2012 - 06:14:21 EST


Em 22-01-2012 13:29, Jörg Otte escreveu:
> with v3.3-rc1 I can not watch dvb-t. I get the following
> errors from the media player (Kaffeine,vlc):
>
> kaffeine(1801): DvbDevice::frontendEvent: tuning failed
> vlc: [0xa278d78] main stream error: cannot pre fill buffer
>
> I have a CinergyT2 usb-stick.
>
> I was able to bisect the problem to:
> commit 7830bbaff9f5f9cefcdc9acfb1783b230cc69fac
> Author: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
> Date: Mon Dec 26 15:41:01 2011 -0300
>
> [media] cinergyT2-fe: convert set_fontend to use DVBv5 parameters

Could you please try this patch?

[PATCH] cinergyT2-fe: Fix bandwdith settings

Changeset 7830bbaff9f mangled the bandwidth field for CinergyT2.
Properly fill it.

Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>

diff --git a/drivers/media/dvb/dvb-usb/cinergyT2-fe.c b/drivers/media/dvb/dvb-usb/cinergyT2-fe.c
index 8a57ed8..1efc028 100644
--- a/drivers/media/dvb/dvb-usb/cinergyT2-fe.c
+++ b/drivers/media/dvb/dvb-usb/cinergyT2-fe.c
@@ -276,14 +276,15 @@ static int cinergyt2_fe_set_frontend(struct dvb_frontend *fe)
param.flags = 0;

switch (fep->bandwidth_hz) {
+ default:
case 8000000:
- param.bandwidth = 0;
+ param.bandwidth = 8;
break;
case 7000000:
- param.bandwidth = 1;
+ param.bandwidth = 7;
break;
case 6000000:
- param.bandwidth = 2;
+ param.bandwidth = 6;
break;
}

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