linux-kernel - Re: It BOOTS! 3.13.5 that is.

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Message-ID: <CAKb7UvgA8o7TLC+bR+hFoZLSUQaoSebgV=X2-u6M-kPVy+Vccw@mail.gmail.com>
Date:	Sun, 23 Feb 2014 01:00:02 -0500
From:	Ilia Mirkin <imirkin@...m.mit.edu>
To:	Gene Heskett <gheskett@...v.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: It BOOTS! 3.13.5 that is.

On Sun, Feb 23, 2014 at 12:18 AM, Gene Heskett <gheskett@...v.com> wrote:
> On Saturday 22 February 2014, Ilia Mirkin wrote:
>>On Sat, Feb 22, 2014 at 11:00 PM, Gene Heskett <gheskett@...v.com> wrote:
>>> On Saturday 22 February 2014, Ilia Mirkin wrote:
>>>>On Sat, Feb 22, 2014 at 10:42 PM, Gene Heskett <gheskett@...v.com>
> wrote:
>>>>> On Saturday 22 February 2014, Ilia Mirkin wrote:
>>>>>>On Sat, Feb 22, 2014 at 8:22 PM, Gene Heskett <gheskett@...v.com>
> wrote:
>>>>>>> But my tv card isn't being found by kaffeine.  It is this card:
>>>>>>>
>>>>>>> 01:08.0 Multimedia video controller: Conexant Systems, Inc.
>>>>>>> CX23880/1/2/3 PCI Video and Audio Decoder (rev 05)
>>>>>>>
>>>>>>>         Subsystem: pcHDTV Device 3000
>>>>>>>         Flags: bus master, medium devsel, latency 32, IRQ 10
>>>>>>>         Memory at fb000000 (32-bit, non-prefetchable) [size=16M]
>>>>>>>         Capabilities: [44] Vital Product Data <?>
>>>>>>>         Capabilities: [4c] Power Management version 2
>>>>>>>
>>>>>>> 01:08.2 Multimedia controller: Conexant Systems, Inc. CX23880/1/2/3
>>>>>>> PCI Video and Audio Decoder [MPEG Port] (rev 05)
>>>>>>>
>>>>>>>         Subsystem: pcHDTV Device 3000
>>>>>>>         Flags: bus master, medium devsel, latency 32, IRQ 10
>>>>>>>         Memory at fa000000 (32-bit, non-prefetchable) [size=16M]
>>>>>>>         Capabilities: [4c] Power Management version 2
>>>>>>>
>>>>>>> From an lspci
>>>>>>>
>>>>>>> In a make xconfig, I cannot find this specific card in the list of
>>>>>>> DVB front ends.  What modules do I need to make sure are being
>>>>>>> built?
>>>>>>
>>>>>>You're looking for VIDEO_CX88 ("Conexant 2388x (bt878 successor)
>>>>>>support") and its various sub-options (esp CX88_DVB). iirc the
>>>>>>pchdtv3000 had a OR51132 tuner, but right now the config is set to
>>>>>>auto-select a whole bunch of tuners if you have
>>>>>>MEDIA_SUBDRV_AUTOSELECT turned on. Otherwise make sure to select that
>>>>>>tuner device. (Hm, I appear to have both OR51132 and CX22702 enabled,
>>>>>>and I have that same card.)
>>>>>>
>>>>>>  -ilia
>>>>>
>>>>> or51132 rings a bell and is enabled, CX22702 is not.  And I don't
>>>>> seem to be able to find the CX88** at all.  I'll give the CX22702 a
>>>>> shot, thanks a bunch ilia.
>>>>
>>>>grep CX88 .config
>>>>
>>> That returns a linefeed only.  And I have done some dozen or so make
>>> oldconfigs.
>>>
>>>>If it says "not set" for things like CONFIG_VIDEO_CX88_DVB, you won't
>>>>get anything to work.
>>>>
>>>>  -ilia
>>>
>>> If this fails, I'll see if I can plug that in with an editor, but the
>>> last time I tried that, the friggin make did an automatic oldconfig
>>> and stripped it.  Its enough to make one want to reduce the
>>> neighborhood cat population.
>>
>>Adding random stuff to .config won't work, as you noticed.
>>
>>>>From menuconfig search results for CX88 (ugh, sorry about the x's, but
>>I'm too lazy to edit them out)
>>
>>  x Symbol: VIDEO_CX88 [=m]
>>  x x Type  : tristate
>>     x x Prompt: Conexant 2388x (bt878 successor) support
>>        x x   Location:
>>           x x     -> Device Drivers
>>              x x       -> Multimedia support (MEDIA_SUPPORT [=m])
>>                 x x (1)     -> Media PCI Adapters (MEDIA_PCI_SUPPORT
>>[=y])                  x x   Defined at drivers/media/pci/cx88/Kconfig:1
>>                          x x   Depends on: MEDIA_SUPPORT [=m] &&
>>MEDIA_PCI_SUPPORT [=y] && (MEDIA_AN x x   Selects: I2C_ALGOBIT [=m] &&
>>VIDEO_BTCX [=m] && VIDEOBUF_DMA_SG [=m]  x
>>
>>HTH,
>>
>>  -ilia
>
> Sorry, no such beast As VIDEO_CX88.
>
> Now that tells me something in the VIDEO dept isn't set, but what?

Look at the e-mail I sent. It includes the full path to enabling the
right things. First select "Device Drivers", then enable "Multimedia
support", then enable "Media PCI Adapters". You should see "Conexant
2388x" in there.

  -ilia
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