Re: [GIT PULL FOR v3.2] Compilation fixes

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Em 04-11-2011 08:13, Mauro Carvalho Chehab escreveu:
> Em 04-11-2011 07:39, Hans Verkuil escreveu:
>> Mauro,
>>
>> This fixes two compilation problems when using the media_build system.
>>
>> Both gspca and the solo driver have a header with the same name, and that
>> clashes when using media_build.
> 
> This the kind of patch that doesn't make much sense upstream. Granted, the
> files weren't properly named, but there's not requirement upstream that
> denies naming two different files with the same name.
> 
> Btw, looking at both, it seems that they can be merged: both defines the jpeg
> header. The basic difference is that, while gspca jpeg header can have a size of
> either 556 or 589 bytes, the one at solo6x10 has 575 bytes.
> 
> IMHO, the proper fix is to make solo6x10 driver to use the gspca jpeg.h header.
> Assuming that this driver would find his way out of staging, then the jpeg.h
> file should also be moved to another place, like include/linux/media, as I
> don't think that solo6x10 driver should be a gspca sub-driver.
> 
> Hans G, what do you think?

The quantization tables are completely different on Solo driver. Merging them
will probably be very messy. I withdraw the proposal of merging them.

Your patch makes sense to me.

> 
>> And the solo driver uses an incorrect Makefile construct, which (somewhat
>> mysteriously) skips the compilation of 90% of all media drivers.
> 
> Hmm.. probably they're using "=" or ":=" instead of "+=". While this works at 
> leaf Makefiles, this breaks compilation when there's just one Makefile, or
> when you add another thing to be compiled there. This is something that requires
> a fix.
> 
>>
>> Hopefully this pull request makes it to patchwork as well.
>>
>> Regards,
>>
>>         Hans
>>
>>
>> The following changes since commit bd90649834a322ff70925db9ac37bf7a461add52:
>>
>>   staging/Makefile: Don't compile a media driver there (2011-11-02 09:17:00 -0200)
>>
>> are available in the git repository at:
>>   git://linuxtv.org/hverkuil/media_tree.git fixes
>>
>> Hans Verkuil (2):
>>       solo6x10: rename jpeg.h to solo6x10-jpeg.h
>>       solo6x10: fix broken Makefile
>>
>>  drivers/staging/media/solo6x10/Makefile            |    2 +-
>>  .../media/solo6x10/{jpeg.h => solo6x10-jpeg.h}     |    0
>>  drivers/staging/media/solo6x10/v4l2-enc.c          |    2 +-
>>  3 files changed, 2 insertions(+), 2 deletions(-)
>>  rename drivers/staging/media/solo6x10/{jpeg.h => solo6x10-jpeg.h} (100%)
> 

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