Can HDMI adapter also connect supported USB device?

regarding adapter: http://store.apple.com/us/product/md098zm/a

possible connect usb keyboard through 30-pin connection? know wont find knows without doubt; based on existing functionality of 30-pin connector possible?

in other words, has "created" own cck modifying standard 30-pin cable?

in case you're wondering (and i'm sure are), looking connect jailbroken ip4 motorola lapdock mirroring. have adapter connect standard hdmi lapdock's micro-hdmi female. therefore if able connect 30-pin micro-usb input (with 5v removed) gain functionality of built in keyboard. lapdock's built in keyboard acts usb keyboard default.

whole setup going proof of concept , replace netbook. btw have host of cydia apps compliment arrangement; i.e. displayout, btstack mouse, touchpose, activator, etc..

 

hi zz, registered on macrumers let know you're not 1 out there trying make iphone lapdock idea work.

replace netbook iphone 4, , motorola lapdock here. i'd love answer question, if out there can test setup.
lapdock has great build quality , nice 720p screen, do odd female usb cable... since it's male connector micro-usb.

interesting challenge ios compatibility. hdmi + usb host adapters on ebay etc. yet since ios5 usb-kit won't connect keyboard except on ipad. has cydia fixed apple's grumpy discontinuation of ability , limiting of hdmi-mirroring 4s & ipad2/2s. , can re-enable mirroring on 5.1? if drivers out there i'd love know.
btstack-mouse idea. audio on hdmi functioning?

since lapdock has 768 lines of vertical resolution, sweet force run ipad apps , @ native resolution of 1024x768. think!, perfect little netbook iwork &

 

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