Re: Afatech AF9013

Jose Alberto Reguero <[email protected]> Tue, 16 Aug 2011 00:07:00 +0200
Newsgroups gmane.linux.drivers.video-input-infrastructure,gmane.linux.drivers.dvb
Message-ID <[email protected]>
I have problems with a dual usb tuner. I limit the bandwith using pid f=
ilters=20
and the problem was gone.

Jose alberto

On Lunes, 15 de Agosto de 2011 15:34:20 Josu Lazkano escribi=F3:
> Hello, I have a problem with the KWorld USB Dual DVB-T TV Stick (DVB-=
T
> 399U):
> http://www.linuxtv.org/wiki/index.php/KWorld_USB_Dual_DVB-T_TV_Stick_=
(DVB-
> T_399U)
>=20
> I am using it on MythTV with Debian Squeeze (2.6.32). It is a dual
> device, sometimes the second adapter works great, but sometimes has a
> pixeled images. The first adapter always has pixeled images, I don't
> know how to describe the pixeled images, so here is a mobile record:
> http://dl.dropbox.com/u/1541853/kworld.3gp
>=20
> I have this firmware:
> http://palosaari.fi/linux/v4l-dvb/firmware/af9015/5.1.0.0/dvb-usb-af9=
015.fw
>=20
> I read on the linuxtv wiki and there are some problems with dual mode=
,
> there is some links for how to patch the similar driver (Afatech/ITE
> IT9135), but I am not good enough to understand the code.
>=20
> I check the kernel messages:
>=20
> Aug 15 13:53:58 htpc kernel: [  516.285369] af9013: I2C read failed
> reg:d2e6 Aug 15 13:54:29 htpc kernel: [  547.407504] af9013: I2C read
> failed reg:d330 Aug 15 13:54:44 htpc kernel: [  561.902710] af9013: I=
2C
> read failed reg:d2e6
>=20
> It looks I2C problem, but I don't know how to debug it deeper.
>=20
> I don't know if this is important, but I compile the s2-liplianin for
> other devices this way:
>=20
> apt-get install linux-headers-`uname -r` build-essential
> mkdir /usr/local/src/dvb
> cd /usr/local/src/dvb
> wget http://mercurial.intuxication.org/hg/s2-liplianin/archive/tip.zi=
p
> unzip s2-liplianin-0b7d3cc65161.zip
> cd s2-liplianin-0b7d3cc65161
> make CONFIG_DVB_FIREDTV:=3Dn
> make install
>=20
> Can you help with this? This hardware is a very cheap and works well
> for HD channels but, I don't know why sometimes has pixeled images.
>=20
> Thanks for your help, best regards.