Re: [PATCH] Add support for PCTV452E.

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Am 23.07.2011 13:24, schrieb Steffen Barszus:
> > On Tue, 24 May 2011 21:51:22 +0200
> > Hans Petter Selasky <hselasky@xxxxxxx> wrote:
> >
>> >> NOTES:
>> >>
>> >> Sources were taken from the following repositorium as of today:
>> >> http://mercurial.intuxication.org/hg/s2-liplianin/
>> >>
>> >> And depend on the zig-zag fix posted today.
> >
> > Did a first test on the patch.
> > [   96.780040] usb 1-8: new high speed USB device using ehci_hcd and
address 5
> > [   97.376058] dvb_usb_pctv452e: Unknown symbol
ttpci_eeprom_decode_mac (err 0)
> >
Same here.

> > Looks like this patch didn't make it into patchwork - Mauro can you
> > check that ?
> >
> >
> > I think the patch for ttpci-eeprom.c is missing this:
> >
> > --- linux/drivers/media/dvb/ttpci/ttpci-eeprom.c.orig	2011-07-23
11:00:49.000000000 +0000
> > +++ linux/drivers/media/dvb/ttpci/ttpci-eeprom.c	2011-07-23
11:04:00.000000000 +0000
> > @@ -165,6 +165,7 @@ int ttpci_eeprom_parse_mac(struct i2c_ad
> >  }
> >
> >  EXPORT_SYMBOL(ttpci_eeprom_parse_mac);
> > +EXPORT_SYMBOL(ttpci_eeprom_decode_mac);
> >
> >  MODULE_LICENSE("GPL");
> >  MODULE_AUTHOR("Ralph Metzler, Marcus Metzler, others");
This patch indeed fixed it for me.
Module now loads, detects the card and appears to be successful.

However, when I try to tune, syslog shows:
Jul 29 02:46:00 sandy kernel: [  122.986314] pctv452e_power_ctrl: 1
Jul 29 02:46:01 sandy kernel: [  124.041037] pctv452e: I2C error -121;
AA 31  CC 00 01 -> 55 31  CC 00 00.
Jul 29 02:46:01 sandy kernel: [  124.056408] pctv452e: I2C error -121;
AA 48  CC 00 01 -> 55 48  CC 00 00.
Jul 29 02:46:01 sandy kernel: [  124.100998] pctv452e: I2C error -121;
AA 63  CC 00 01 -> 55 63  CC 00 00.
[...cut...]
Jul 29 02:46:30 sandy kernel: [  153.265552] pctv452e: I2C error -121;
AA 95  CC 00 01 -> 55 95  CC 00 00.
Jul 29 02:46:31 sandy kernel: [  153.812108] pctv452e_power_ctrl: 0

Tuning is not possible here (Kernel 3.0 in use).
Anybody with the same issue?

Reference for the 'normal' users who just want to use their card:
I have now downgraded to 2.6.38 again on my Sandy Bridge board
(sacrificing working reboot...) for s2liplianin does not like
bkl-removal in 2.6.39 and definitely no 3.0-tree.

s2liplianin on 2.6.38 works perfectly with this card. It also has much
better support for my other az6027 than the in-tree-modules (still, no
signal for any DVB-S2 with the az6027).

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