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USB OTG without external power supply

OP lipalok

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25th February 2014, 06:48 PM   |  #1  
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Hello! Most devices like Nexus 4 or our S4 Mini have problems with USB OTG functionality - they can't provide power to connected device. When I was browsing through some system folders, I've found a directory /d/regulator/8921_usb_otg/8921_usb_otg. In this directory, I can see voltage values, but I'm not able to edit them. Can someone help me how to edit max_uV and min_uV files? Folder called "enable" can be changed to 1, but other folders no.
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Last edited by lipalok; 8th April 2014 at 08:16 PM.
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