Re: [linuxtv-commits] [hg:v4l-dvb] cx25840: fix determining the firmware name

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On Mon, Sep 7, 2009 at 9:06 AM, Mauro Carvalho
Chehab<mchehab@xxxxxxxxxxxxx> wrote:
> Em Mon, 7 Sep 2009 01:20:33 -0400
> Michael Krufky <mkrufky@xxxxxxxxxxxxxx> escreveu:
>
>> On Mon, Sep 7, 2009 at 1:10 AM, Mauro Carvalho
>> Chehab<mchehab@xxxxxxxxxxxxx> wrote:
>> > Em Fri, 4 Sep 2009 14:05:31 -0400
>> > Michael Krufky <mkrufky@xxxxxxxxxxxxxx> escreveu:
>> >
>> >> Mauro,
>> >>
>> >> This fix should really go to Linus before 2.6.31 is released, if
>> >> possible.  It also should be backported to stable, but I need it in
>> >> Linus' tree before it will be accepted into -stable.
>> >>
>> >> Do you think you can slip this in before the weekend?  As I
>> >> understand, Linus plans to release 2.6.31 on Saturday, September 5th.
>> >>
>> >> If you dont have time for it, please let me know and I will send it in myself.
>> >>
>> >
>> > This patch doesn't apply upstream:
>> >
>> > $ patch -p1 -i 12613.patch
>> > patching file drivers/media/video/cx25840/cx25840-firmware.c
>> > Hunk #5 FAILED at 107.
>> > 1 out of 5 hunks FAILED -- saving rejects to file drivers/media/video/cx25840/cx25840-firmware.c.re
>>
>>
>> OK, this is going to need a manual backport.  This does fix an issue
>> in 2.6.31, and actually affects all kernels since the appearance of
>> the cx23885 driver, but I can wait until you push it to Linus in the
>> 2.6.32 merge window, then I'll backport & test it for -stable.
>
> Ok. I think I asked you once, but let me re-ask again: from what I was told, the
> latest cx25840 firmware (the one that Conexant give us the distribution rights)
> seems to be common to several cx25840-based chips. It would be really good if

i also noticed that 3 firmwares with different file names and used by
different drivers:

- "v4l-cx23418-dig.fw" used by "cx18" driver, available here:
http://dl.ivtvdriver.org/ivtv/firmware/cx18-firmware.tar.gz and
includes notice about distribution permission from Conexant too

- "v4l-cx23885-avcore-01.fw" used by "cx23885" driver

- "v4l-cx25840.fw" used by "cx25840" driver

have exactly the same md5sum: b3704908fd058485f3ef136941b2e513 and
actually are the same firmware.

> we can test it with all devices, especially since distros will add it on their
> firmware packages, as they are at the firmware -git
>
>
>
> Cheers,
> Mauro
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