On Mon, Jan 9, 2017 at 11:39 AM, Greg KH <g...@kroah.com> wrote: > On Mon, Jan 09, 2017 at 11:29:24AM +0100, Aleksander Morgado wrote: > > On Mon, Jan 9, 2017 at 11:07 AM, Greg KH <g...@kroah.com> wrote: > > > On Mon, Jan 09, 2017 at 09:40:59AM +0000, Kenneth Rohde Christiansen > wrote: > > >> Web USB can only grab devices which has special Web USB headers. It > can not > > >> grab any USB device. > > >> > > >> https://wicg.github.io/webusb/#webusb-descriptors > > > > > > Ah, fun :( > > > > > > So, we can add a quirk into the kernel cdc-acm driver to never bind to > a > > > device that has the wusb platform capability descriptor, which will > > > prevent you from having to disconnect the driver from the device (and > > > the permissions issues involved in that.) > > > > > > Would that help out? > > > > > > And just do the same thing in modem manager, never grab a device with > > > this descriptor, and let the browser/webusb handle the control of the > > > device if it so desires. > > > > Not sure anything would be required in ModemManager if the kernel > > already skips the binding to cdc-acm; i.e. ModemManager won't do > > anything unless the TTY is exposed. > > Great, that was easy then! > > So, who is going to send in the kernel patch for this? :) >
To be sure we don't miss anything, let's give the folks in California a chance to give their input. In any case, WebUSB looks very cool and looks like a starting point for finally getting an easy way (a bit like BLE vs Bluetooth) for average users connecting USB devices in a secure and cross-platform compliant way to the web. br Lars > > thanks, > > greg k-h >
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