[prev in list] [next in list] [prev in thread] [next in thread] 

List:       mythtv-users
Subject:    Re: [mythtv-users] Report: Watch out! UB435-Q V2 is NOT the same as
From:       Jarod Wilson <jarod () wilsonet ! com>
Date:       2011-04-29 20:55:18
Message-ID: 29A46182-4C7F-4E58-8873-0FAC598319CF () wilsonet ! com
[Download RAW message or body]

On Apr 29, 2011, at 3:11 PM, Martin, Charles wrote:

> Hi all –
> 
> So what’s going on with this?  I actually need to get this going.  Jarod, Devin, \
> any further news? I’m also willing to help, if you want to collaborate.

I've been quite tied up with other things[*] and mostly forgot about this, as I
don't have the affected hardware. Last I talked to Devin, he hadn't had time to
work on it either, and various other higher-priority tasks had taken precedence.

If you need it going soon, Devin and KernelLabs' services may be for hire:
    http://www.kernellabs.com/blog/?page_id=156

[*] read: IR device drivers


> On Oct 29, 2010, at 2:37 PM, Devin Heitmueller wrote:
> 
> > On Fri, Oct 29, 2010 at 2:04 PM, Jarod Wilson <jarod at wilsonet.com> wrote:
> > > On Oct 15, 2010, at 6:07 PM, Jarod Wilson wrote:
...
> > > So a spot of bad news here... I've been poking at one of Gavin's sticks inside \
> > > a VM he set up for me, simultaneous with talking to one of the upstream em28xx \
> > > driver authors. We now have a very good understanding of why the stick isn't \
> > > working. 
> > > All known prior em28xx-based tuner sticks have had at least one isochronous usb \
> > > endpoint, with a max packet size of 940 bytes, typically. This stick only has \
> > > bulk usb endpoints and a max packet size of 512. Supporting this stick is \
> > > actually going to require a fair bit of work in the em28xx driver core to \
> > > support using bulk transfer instead of isochronous transfer. 
> > > Short version: don't buy this stick right now, its going to be a little while \
> > > before its actually supported.
> > 
> > Jarod,
> > 
> > Just an FYI:  bulk support for em2874/em2884 is on my todo list for
> > the near future.
> 
> Ah, very cool. I'm inclined to wait and let you do that part, since you know em28xx \
> much better than I do, and I'll just focus on the device-specific implementation \
> details (gpio settings, wiring up tuner and demod, etc). I'm assuming you have some \
> other manufacturer's em2874/em2884 based devices to work on this for... :)


-- 
Jarod Wilson
jarod@wilsonet.com



_______________________________________________
mythtv-users mailing list
mythtv-users@mythtv.org
http://www.mythtv.org/mailman/listinfo/mythtv-users


[prev in list] [next in list] [prev in thread] [next in thread]