Quote: I am currently using Fiio E17 with mi SGS3 and it has an option to "disable" usb charging .... this is useful to avoid battery draining from SGS3 ! I don't know about the other dac/amp if they can do like this ! good luck

Quote:   Yes can confirm this .... I put together E17 Fiio with this config !

Quote: hallo I am new to this community but I follow xda and android development in general. After reading in the last days some of this threads I decided to buy E17 and DT990 to use them with Macbookpro and i9300. Is there any custom setup suggested for siyah kernel to make it work...