Re: [android-porting] Digest for android-porting@googlegroups.com - 1 Message in 1 Topic

[Onteddu Slreddy]

Hello ALL,

                              

       I am facing problem with usb OTG connection The below are the details for the same


The modem is disconnecting after is boot is done some times it is reconnecting immediately and sometimes its not, some times the modem is not detecting at the boot time but I am observing the modem is ON throughout this procedure.
 As per our analysis the modem is dis connecting in function
hub_port_connect_change()    which is in file

drivers/usb/core/hub.c


The part of the function where it is failing is
if (udev)
        usb_disconnect(&hdev->children[port1-1]);

As the modem is disconnecting in the middle the ttyACM ports are getting lost and the signal on UI is going and RIL-execution is stopping

Can anybody tell me what might be the problem

Kindly refer the  logs at

http://pastebin.com/1xBLA79x


Thanks & Regards

O S L Reddy

On Sun, May 20, 2012 at 8:23 PM, <android...@googlegroups.com> wrote:

  Today's Topic Summary

Group: http://groups.google.com/group/android-porting/topics

• Logo Display on LCD in u-boot [1 Update]

 Logo Display on LCD in u-boot

Bard Shen <bard...@gmail.com> May 20 11:11AM +0800  

于 2012/5/11 18:24, venkat k raju 写道:
> please can anybody suggest me how to start ? or any reference links.
 
> note: i have done this in kernel part.but i want this to be from
> u-boot itself
 
Hi sir,
Maybe this will help you! Although it write in Chinese.
http://blog.csdn.net/voice_shen/article/details/6789424
 


 

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