On Wed, 30 Jan 2008, Alan Stern wrote: > On Wed, 30 Jan 2008, praveen koduru wrote: > > > Hai, > > I have a question related to your PTP device driver ( Picture > > Transfer Protocol ). > > > > Can USB Still Image Capture Class driver and USB Mass Storage class > > driver co- exists in the gadget? > > In theory they can. However the current version of the g_file_storage > driver is not designed to coexist with other gadget drivers. There has > been some progress in that direction, but you'll have to search through > the mailing list archives to find it. Just checking if this emanation of PTP/MTP/Still Image Capture software has any material backing or is as much of a phyntom as all others - whose "yours" driver is meant here and where can it be found? Thanks Guennadi > > > If yes How to synchronize the calls between these two with the below > > DCD (Devcie Controler Driver ), do we need a middle layer ( Core > > driver like in Host side ) ? > > You do need a middle layer, but not to synchronize calls. The middle > layer is needed to allocate resources such as endpoints, interface > numbers, descriptors, and so on. > > Another issue you will face is that the two drivers cannot share the > same storage medium unless they both are set to read-only access. > > Alan Stern > > > ------------------------------------------------------------------------- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2008. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > linux-usb-devel@xxxxxxxxxxxxxxxxxxxxx > To unsubscribe, use the last form field at: > https://lists.sourceforge.net/lists/listinfo/linux-usb-devel > --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html