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Can you charge & USB Host mode simultaneously?

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puffmais

puffmais

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Posted 15 November 2012 - 10:15 AM #101

I installed the zip, but on reboot the nexus7 it stucks on cyanogen mod bootlogo...
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Timur

Timur

Android Master

Posted 15 November 2012 - 11:12 AM #102

I installed the zip, but on reboot the nexus7 it stucks on cyanogen mod bootlogo...


You may need to "wipe data / factory reset" in the recovery. If this doesn't work, pls try "adb logcat" and lmk what you see.
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puffmais

puffmais

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Posted 15 November 2012 - 11:46 AM #103

with wipe data / factory reset it worked...but the problem is still there :-/
no sound trough usb dac when repower while lockscreen is on...
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Timur

Timur

Android Master

Posted 15 November 2012 - 01:11 PM #104

Unplugging USB in powered host mode before patch 3 resulted in a platform code exception. This prevented flash drives and hard disks from becoming mountable later, even if the filesystem was correctly unmounted before unpluging. For me, this problem is resolved with patch 3. Too bad the DAC issue is not yet resolved.
I would be happy to take a look at some adb logcat of the DAC unplug issue, if someone can produce this. (Ideally both in wake and sleep mode.)
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jmcguire525

jmcguire525

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Posted 15 November 2012 - 08:23 PM #105

tell me how to get you the logcat info and I'll try to get it posted up for you
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besjr69

besjr69

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Posted 15 November 2012 - 08:51 PM #106

I applied Patch #3. Works as disucssed, but it killed my GPS. I've noticed this issues with several of the CM10 nightlies. No issue with Experimentals. Restored back to Patch #2 nandroid. Is there a fix for the GPS or can the zip be just the patch only. I tried flashing over this with the 10/19 EXPERIMENTAL with no luck.
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kevincat3556

kevincat3556

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Posted 15 November 2012 - 09:03 PM #107

Just thought I'd throw this out there. I made this and it actually charges with a controller hooked up!

The blue USB cable is cut up and has no data pins. Just the 5V and Ground wires. I took an old USB hub and wired the Motorola cable up with data and power to the USB labeled port, and the power pins to the POWER labeled port. Works wonders when I plug the blue cable into the charger!
Sent from my Galaxy Nexus using RootzWiki

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Edited by kevincat3556, 16 November 2012 - 11:09 PM.

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kevincat3556

kevincat3556

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Posted 15 November 2012 - 09:04 PM #108

Oops..... Thought this was a galaxy nexus thread. Oh well. This should work.

Sent from my Galaxy Nexus using RootzWiki
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Timur

Timur

Android Master

Posted 16 November 2012 - 06:57 AM #109

tell me how to get you the logcat info and I'll try to get it posted up for you


Thank you for the kind offer. However, I just bought a little USB DAC device, so I am finally able to look at this myself. I'm able to get sound out of the DAC, but only after rebooting with the DAC hooked up. I cannot get sound out of it, when I only connect the DAC "at runtime". In this respect, DAC audio does NOT behave like, say, Bluetooth audio. I assume this is the problem you guys are talking about. Let's see...

OK, how to log with the USB cable pulled (just in case): Enable "Keep Wi-Fi on during sleep" (under Wi-fi / Advanced). Then connect to your access point. Then enable "ADB over network" (under Dev. options). Now you can use the shown dynamic ip address to enter the following on the PC: 1. "adb connect x.x.x.x" and 2. "adb -s x.x.x.x:5555 logcat".

> CM10 ... but it killed my GPS

Q: Internal or external GPS?
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besjr69

besjr69

Member

Posted 16 November 2012 - 01:14 PM #110

I am referring to the internal GPS. I do not have WiFi available at all times and I have my Maps setup for offline navigation. As stated, I've run into this issue with a lot of the CM10 nightlies. The only CM10 that works without killing GPS so for is the last "EXPERIMENTAL-M2" version. I've tried Wiping Dalvik, Cache, and Data. I've also tried flashing Path #3 on top of the M2 and vice versa all to no avail.

Bobby

Edited by besjr69, 16 November 2012 - 01:16 PM.

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