On 1/21/10, Felipe Balbi <me@xxxxxxxxxxxxxxx> wrote: > On Thu, Jan 21, 2010 at 06:27:07PM +0200, Felipe Balbi wrote: >> On Thu, Jan 21, 2010 at 09:53:07PM +0530, sai pavan wrote: >> > I am looking for a solution where user can select desired functions in >> > a composite device. It can be done without having multiple >> > configurations by just unregistering the composite driver and register >> > with a new configuration. This feature can be seen in most phones (in >> > Nokia there is a option to select PC studio/media player/mass >> > storage). >> >> Yes and for that we have a userland application that literally rmmod >> g_nokia && modprobe g_file_storage (at least that's how we did on N900) >> >> if that's all the problem you have, it should be fairly simple to write >> a few composite drivers that would bind the correct functions to the >> configurations. > > a bit more explanation of what you can do: > > 1. when you get a VBUS irq from your transceiver, you could popup the > dialog for selecting the mode. > > 2. after user selects the correct mode, you just run the correct gadget > driver. > > Initially I thought your problem would really be related to the windows > limitation on several configurations, but it's not. > > -- > balbi > This approach would meet our requirement. Thank you very much for your valuable inputs. Thanks, Pavan -- 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