Re: Kworld 315U help?

[Franklin Meng <fmeng2002@yahoo.com>]

Devin, 

Thanks for the info..  Should the parse_em28xx.pl script be updated to reflect this?  I'm assuming other em28xx boards also have the eeprom at address 0xa0.  

There are a couple more entries that I am unsure about..  I'll post those when I get home tonight.  

Are you interested in looking at some traces?  I am pretty sure I have most of the analog and input stuff figured out though I probably don't have the GPIO sequence correct.  Anyways, if your interested I can send you what I know.  

Thanks
Franklin Meng

--- On Wed, 10/21/09, Devin Heitmueller <dheitmueller@kernellabs.com> wrote:

> From: Devin Heitmueller <dheitmueller@kernellabs.com>
> Subject: Re: Kworld 315U help?
> To: "Franklin Meng" <fmeng2002@yahoo.com>
> Cc: linux-media@vger.kernel.org
> Date: Wednesday, October 21, 2009, 5:55 AM
> On Wed, Oct 21, 2009 at 1:35 AM,
> Franklin Meng <fmeng2002@yahoo.com>
> wrote:
> > I was wondering if someone would be able to help me
> with getting the analog and inputs for the Kworld 315U
> working.  I was able to get the digital part working with
> help from Douglas Schilling and wanted to get the remaining
> portions of the device working.
> >
> > I have traces but have not made much progress.  In
> addition I also have some questions about the information
> that the parse_em28xx.pl skips and does not decode.
> >
> > For example here is some of the data that doesn't seem
> to be decoded..
> > unknown: 40 03 00 00 a0 00 01 00 >>> 08
> > unknown: c0 02 00 00 a0 00 01 00 <<< d0
> > unknown: 40 03 00 00 a0 00 01 00 >>> 08
> > unknown: c0 02 00 00 a0 00 01 00 <<< d0
> > unknown: 40 03 00 00 a0 00 01 00 >>> 22
> > unknown: c0 02 00 00 a0 00 01 00 <<< 01
> > unknown: 40 03 00 00 a0 00 01 00 >>> 04
> > unknown: c0 02 00 00 a0 00 02 00 <<< 1a eb
> > unknown: 40 03 00 00 a0 00 01 00 >>> 20
> > unknown: c0 02 00 00 a0 00 01 00 <<< 46
> > unknown: 40 03 00 00 a0 00 01 00 >>> 14
> > unknown: c0 02 00 00 a0 00 04 00 <<< 4e 07 01
> 00
> >
> > Anyways, any help that can be provided is
> appreciated.
> 
> Those look like i2c commands to the onboard eeprom, which
> is at i2c
> address 0xa0.  For example:
> 
> unknown: 40 03 00 00 a0 00 01 00 >>> 04 
>      // set eeprom read offset to 0x04
> unknown: c0 02 00 00 a0 00 02 00 <<< 1a eb 
> // read two bytes back from eeprom
> 
> Cheers,
> 
> Devin
> 
> -- 
> Devin J. Heitmueller - Kernel Labs
> http://www.kernellabs.com
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