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Date: Sun, 02 Jan 2005 14:56:01 -0800
From: Julian Elischer <julian@elischer.org>
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To: Michael Nottebrock <michaelnottebrock@gmx.net>
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cc: multimedia@freebsd.org
Subject: Re: bktr now broken for me
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Michael Nottebrock wrote:
> The most recent commit to bktr completely breaks the driver for me.

I've CC'd this to teh right mailing list..
Maybe someone there who knows these cards a bit can help you
develope a patch to ID the card, and we can commit it.

> 
> When starting a tv application, I get
> 
> bktr0: tuner @ 0xc2
> bktr0: MT2032 write failed (i2c addr 0xc0)
> bktr0: MT2032 get register 0 failed

[...]

> bktr0: MT2032 write failed (i2c addr 0xc0)
> bktr0: MT2032 get register 20 failed
> bktr0: MT2032: Companycode=0000 Part=00 Revision=00

[...]
> bktr0: MT2032 write failed (i2c addr 0xc0)
> bktr0: MT2032 get register 14 failed
> bktr0: Detected a MSP3451G-A2 at 0x80
> bktr0: setting frequency to 259250000
> bktr0: MT2032-SetIFFreq: 0x1f41860f...


[...]

> bktr0: MT2032 write failed (i2c addr 0xc0)
> bktr0: MT2032 get register 15 failed
> bktr0: PLL didn't lock
> bktr0: setting frequency to 266250000


[...]

> bktr0: MT2032 write failed (i2c addr 0xc0)
> bktr0: MT2032 get register 15 failed
> bktr0: PLL didn't lock
> bktr0: setting frequency to 273250000
> bktr0: MT2032-SetIFFreq: 0x1f44860f...

[...]

> bktr0: MT2032 write failed (i2c addr 0xc0)
> bktr0: MT2032 get register 15 failed
> bktr0: PLL didn't lock
> 
> and no picture and white noise for sound.
> 
> My card is a rather old Pinnacle PCTV Pro:
> 
> bktr0@pci3:7:0: class=0x040000 card=0x001211bd chip=0x036e109e rev=0x11 
> hdr=0x00
>     vendor   = 'Brooktree Corporation'
>     device   = 'Bt878 MediaStream Controller'
>     class    = multimedia
>     subclass = video
> none3@pci3:7:1: class=0x048000 card=0x001211bd chip=0x0878109e rev=0x11 
> hdr=0x00
>     vendor   = 'Brooktree Corporation'
>     device   = 'Bt878/Fusion878A Video Capture (Audio Section)'
>     class    = multimedia
> 
> I'm using the following sysctl tweaks:
> 
> hw.bt848.tuner=10
>