jean-philippe francois wrote: > 2010/6/3 Jon Povey <[email protected]>: >> jean-philippe francois wrote: >>> I achieved this by monitoring '/sys/devices/platform/musb_hdrc/mode' >>> in user space. >> >> We did similar using hotplug events on 2.6.10 for both mmc and usb >> storage. >> > But there is no hotplug event in gadget mode .
No. We worked around that ;) >> It's a portable video recorder which you can plug a USB stick into >> to record. You can also (swap cables and) plug into a PC, when it >> goes into gadget serial mode to communicate with our setup software. >> >> We did this on 2.6.10 by having two sets of USB modules build in >> Host and Peripheral mode, and our own driver monitor the ID pin and >> unload/reload modules. It worked, but OTG would be cleaner, faster >> to switch and not needing of nasty build time hacks. > > So all the ID pin sensing is in addition to the DM OTG machinery, or > is it a replacement for a malfunctionning > OTG mode, where you kind of "manually" switch from one role to > another ? It was the latter. I am planning / working on integrating it into the OTG machinery. -- Jon Povey [email protected] Racelogic is a limited company registered in England. Registered number 2743719 . Registered Office Unit 10, Swan Business Centre, Osier Way, Buckingham, Bucks, MK18 1TB . The information contained in this electronic mail transmission is intended by Racelogic Ltd for the use of the named individual or entity to which it is directed and may contain information that is confidential or privileged. If you have received this electronic mail transmission in error, please delete it from your system without copying or forwarding it, and notify the sender of the error by reply email so that the sender's address records can be corrected. The views expressed by the sender of this communication do not necessarily represent those of Racelogic Ltd. Please note that Racelogic reserves the right to monitor e-mail communications passing through its network _______________________________________________ Davinci-linux-open-source mailing list [email protected] http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
