Re: dib8000 scanning not working on 3.10.3

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Hello Mauro, we have the bad commit:

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=173a64cb3fcff1993b2aa8113e53fd379f6a968f

This is a very big commit. I don't known where to fix it. Can you help
me on fixing it
Thanks in advance
Javier

On Wed, Aug 7, 2013 at 3:48 PM, Luis Polasek <lpolasek@xxxxxxxxx> wrote:
> Hi again Mauro, reverting both commits:
>
> *  59501bb792c66b85fb7fdbd740e788e3afc70bbd
> *  f45f513a9325b52a5f3e26ee8d15471e8b692947
>
> The problem still exists, I am unable to get any result, and also no
> error logs) :(
>
> What shall I do to try to fix this ? Do you need more info on my current setup.
>
> Thanks in advance and best regards...
>
> On Mon, Aug 5, 2013 at 5:26 PM, Mauro Carvalho Chehab
> <m.chehab@xxxxxxxxxxx> wrote:
>> Em Mon, 05 Aug 2013 16:09:56 -0300
>> Luis Polasek <lpolasek@xxxxxxxxx> escreveu:
>>
>>> Hi Mauro, I have tested using dvb5-scan, and the results are the same (no
>>> results, and no error logs) :(
>>>
>>>  Do you have any clue why it is not working with this kernel version ?
>>
>> c/c Oliver and Patrick, who maintains this driver
>>
>> There were a recent change on this driver, in order to support some newer
>> versions of this chipset. Perhaps those changes broke it for you.
>>
>> commit 59501bb792c66b85fb7fdbd740e788e3afc70bbd
>> Author: Olivier Grenie <olivier.grenie@xxxxxxxxxx>
>> Date:   Mon Dec 31 09:51:17 2012 -0300
>>
>>     [media] dib7090p: improve the support of the dib7090 and dib7790
>>
>>     The intend of this patch is to improve the support of the dib7090 and
>>     dib7790. The AGC1 min value is set to 32768 by default. The actual AGC1 min
>>     and the external attenuation are controled depending on the received RF
>>     level.
>>
>>     Signed-off-by: Olivier Grenie <olivier.grenie@xxxxxxxxxx>
>>     Signed-off-by: Patrick Boettcher <patrick.boettcher@xxxxxxxxxx>
>>     Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
>>
>> commit f45f513a9325b52a5f3e26ee8d15471e8b692947
>> Author: Olivier Grenie <olivier.grenie@xxxxxxxxxx>
>> Date:   Mon Dec 31 09:47:10 2012 -0300
>>
>>     [media] dib7090p: remove the support for the dib7090E
>>
>>     The intend of this patch is to remove the support for the dib7090E. The
>>     DiB7090E-package has never left prototype state and never made it to
>>     mass-prod-state.
>>
>>     Signed-off-by: Olivier Grenie <olivier.grenie@xxxxxxxxxx>
>>     Signed-off-by: Patrick Boettcher <patrick.boettcher@xxxxxxxxxx>
>>     Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
>>
>> Could you please revert those patches and see if they fix the issue?
>> Please try to revert this one first:
>>         http://git.linuxtv.org/media_tree.git/commitdiff_plain/59501bb792c66b85fb7fdbd740e788e3afc70bbd
>>
>> If this doesn't solve, try to revert just this one:
>>         http://git.linuxtv.org/media_tree.git/commitdiff_plain/f45f513a9325b52a5f3e26ee8d15471e8b692947
>>
>> then, try to revert both.
>>
>> AFAIKT, those are the only changes that may be affecting isdb-t on dib8000
>> driver.
>>
>> Thanks!
>> Mauro
>>
>>>
>>> Thanks and regards...
>>>
>>>
>>> On Thu, Aug 1, 2013 at 2:15 PM, Mauro Carvalho Chehab
>>> <m.chehab@xxxxxxxxxxx>wrote:
>>>
>>> > Em Thu, 1 Aug 2013 13:36:25 -0300
>>> > Ezequiel Garcia <ezequiel.garcia@xxxxxxxxxxxxxxxxxx> escreveu:
>>> >
>>> > > Hi Luis,
>>> > >
>>> > > (I'm Ccing Mauro, who mantains this driver and might know what's going
>>> > on).
>>> > >
>>> > > On Wed, Jul 31, 2013 at 03:47:10PM -0300, Luis Polasek wrote:
>>> > > > Hi, I just upgraded my kernel to 3.10.3, and dib8000 scanning does not
>>> > > > work anymore.
>>> > > >
>>> > > > I tested using dvbscan (from dvb-apps/util/) and w_scan on a Prolink
>>> > > > Pixelview SBTVD (dib8000 module*).This tools worked very well on
>>> > > > version 3.9.9 , but now it does not produces any result, and also
>>> > > > there are no error messages in the logs (dmesg).
>>> > > >
>>> > >
>>> > > Please run a git bisect and report your findings.
>>> > >
>>> > > Note that dibcom8000 shows just a handful of commit on 2013,
>>> > > so you could start reverting those and see what happens.
>>> >
>>> > Perhaps it is a failure at the DVBv3 emulation.
>>> >
>>> > Did it also break using dvbv5-scan (part of v4l-utils)?
>>> >
>>> > Regards,
>>> > Mauro
>>> > --
>>> >
>>> > Cheers,
>>> > Mauro
>>> >
>>
>>
>> --
>>
>> Cheers,
>> Mauro
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