Comment 5 for bug 640885

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Sean Rhinehart (seanrhinehart) wrote : Re: [Bug 640885] Re: bttv bug with ImpactVCB #64405

I just tested the card on Maverick, and the issue is still there.

The MUXSEL settings only allow 3 unique channels, not 4, so the bottom
RCA jack of ImpactVCB #64405 does not work, when loaded with bttv's
auto-detection.

Sean

On 11/9/11, Brad Figg <email address hidden> wrote:
> Does this issue still exist in Maverick or Natty or Oneiric? They
> contain a smaller version of the attached patch that just adds the
> necessary id's to the CARD table.
>
> ** Changed in: linux (Ubuntu)
> Status: Confirmed => Incomplete
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/640885
>
> Title:
> bttv bug with ImpactVCB #64405
>
> Status in “linux” package in Ubuntu:
> Incomplete
>
> Bug description:
> The Hauppauge ImpactVCB #64405 is a 4 channel 878A-based video capture
> board with no tuner, 3 RCA composite inputs, and an S-Video input.
>
>
> Lucid Lynx and the past several releases of the bttv driver have a bug
> where this board does not fully work as auto-detected.
>
>
> Because this board has the same PCI ID [0070:13eb] that the WinTV
> series of cards uses, the bttv driver auto-detects it as a WinTV board
> (card=10), and uses the MUXSEL settings: MUXSEL(2, 0, 1,1)
>
>
> When these MUXSEL values are used for a 4-channel board, it means that
> one of the 878's inputs cannot not be selected, because a mux setting
> of 3 is not possible. In the case of the ImpactVCB #64405, the result
> is that one of the composite inputs cannot be selected, and a degraded
> echo of the S-Video input (if present) will be selected instead.
>
>
> There is a work-around. The commands
>
> sudo modprobe -r bttv
>
> sudo modprobe bttv card=82
>
> will treat this board as an Osprey 100/150, which is a functional
> equivalent.
>
>
> However, this work-around has the following drawbacks:
>
> 1) It requires manual intervention.
>
> 2) It is non-intuitive, and requires user research to discover.
>
> 3) The composite channels are ordered differently than under
> Hauppauge's WinTV2000 app, which means that composite channels would
> move around on a dual-boot Windows/Ubuntu system.
>
>
> Proposed Solution:
>
> The bttv source code has already solved a similar problem for another
> ImpactVCB variant, the #64900, which has 4 BNC connections, and no
> S-Video.
>
> A new card type was defined (BTTV_BOARD_HAUPPAUGE_IMPACTVCB), and an
> appropriate struct tvcard entry was created.
>
> Then the hauppauge_eeprom() routine was modified to switch over to the
> alternate BTTV_BOARD_HAUPPAUGE_IMPACTVCB entry when both the following
> conditions are met:
>
> 1) The board is originally auto-detected as a BTTV_BOARD_HAUPPAUGE878
> card.
>
> 2) The tv.model read from the EEPROM is 64900.
>
>
> My proposed solution is to simply extend this approach to the #64405
> variant.
>
> The attached code is a modification of 2.6.35 source code, which has been
> back-ported for testing against a 2.6.32 kernel.
> It defines a new card type, BTTV_BOARD_HAUPPAUGE_IMPACTVCB_64405, and
> modifies the hauppauge_eeprom() routine to use a new struct tvcard entry
> when:
>
> 1) The board is originally auto-detected as a BTTV_BOARD_HAUPPAUGE878
> card.
>
> 2) The tv.model read from the EEPROM is 64405.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 10.04
> Package: linux-image-2.6.32-24-generic 2.6.32-24.42
> Regression: No
> Reproducible: Yes
> ProcVersionSignature: Ubuntu 2.6.32-24.42-generic 2.6.32.15+drm33.5
> Uname: Linux 2.6.32-24-generic i686
> AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
> Architecture: i386
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/controlC0: htpc 1146 F.... pulseaudio
> /dev/snd/controlC1: htpc 1146 F.... pulseaudio
> CRDA: Error: [Errno 2] No such file or directory
> Card0.Amixer.info:
> Card hw:0 'SB'/'HDA ATI SB at 0xdfffc000 irq 16'
> Mixer name : 'Analog Devices AD1983'
> Components : 'HDA:11d41983,102801e5,00100400'
> Controls : 26
> Simple ctrls : 15
> Card1.Amixer.info:
> Card hw:1 'Bt878'/'Brooktree Bt878 at 0xd8000000, irq 22'
> Mixer name : 'Bt87x'
> Components : ''
> Controls : 3
> Simple ctrls : 5
> Date: Thu Sep 16 15:30:01 2010
> HibernationDevice: RESUME=UUID=cfd1b218-fe5e-4625-b3a0-a3696d25348f
> InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
> IwConfig:
> lo no wireless extensions.
>
> eth0 no wireless extensions.
> MachineType: Dell Inc. OptiPlex 320
> ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic
> root=UUID=ed895a73-881a-4b59-a9ea-b944d6bb11ca ro quiet splash
> ProcEnviron:
> LANG=en_US.utf8
> SHELL=/bin/bash
> RelatedPackageVersions: linux-firmware 1.34.1
> RfKill:
>
> SourcePackage: linux
> dmi.bios.date: 06/17/2009
> dmi.bios.vendor: Dell Inc.
> dmi.bios.version: 1.1.12
> dmi.board.name: 0TY915
> dmi.board.vendor: Dell Inc.
> dmi.chassis.type: 7
> dmi.chassis.vendor: Dell Inc.
> dmi.modalias:
> dmi:bvnDellInc.:bvr1.1.12:bd06/17/2009:svnDellInc.:pnOptiPlex320:pvr:rvnDellInc.:rn0TY915:rvr:cvnDellInc.:ct7:cvr:
> dmi.product.name: OptiPlex 320
> dmi.sys.vendor: Dell Inc.
>
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