Hello everyone, I know, Devin Heitmueller was about to add support for em2874 bulk endpoint.
Is that still in plans? Thank you. Dmitriy Copying old thread: > 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... :) -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
