> > However I have another problem. My host application calls > SET_CONFIGURATION everytime it starts. On device side my application > is running and waiting for data from Host. But whenever set config > is called serial gadget driver (from composite.c) does soft reset and > I think new port number is generated. Because of this my device > application will not receive data until I close and reopen device node > (/dev/ttyGS0). > So, the port number has not changed as you can still open with ttyGS0. The set_config should call gserial_disconnect from reading code.
> How to let device side application know that set_config is called and > it needs to reopen device node? Are there any Error returns for read if you have disconnected the cable or set_config occurs? > > For the time being I have implemented work around but it may not be > good workaround. In cdev structure I have added input dev and whenever > set_config is called I generate input event at the end of function. My > application looks for this event and if received it reinitializes device. > > Regards, > Dipen Patel > > -- > To unsubscribe from this list: send the line "unsubscribe linux-usb" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
