On Monday, July 18, 2016 7:06:49 PM CEST Jeremy McNicoll wrote: > > > > [1] https://android.googlesource.com/device/google/debugcable/ > > [2] http://www.contextis.com/resources/blog/kgdb-android-debugging-kernel-boss/ > > [3] http://www.pabr.org/consolejack/consolejack.en.html > > [4] http://www.offene-werkstaetten.org/werkstatt/fablab-neckar-alb-e-v > > [5] http://tuebingen.linux.de/ > > [6] http://people.redhat.com/jmcnicol/nexus_debug/ > > No soldering needed, as its a skill I do not have. ;-) That sounds like it would grill the rx line, as the FTDI breakout board you use supplies 3.3v while the expected input is 1.8v. As I understand it, you want to supply 3.3v to the microphone line for detection but then run the rx/tx lines at 1.8v. I have not built one of those cables myself yet, so I'm not sure. It probably works using 3.3v, at least for a while, but there is a significant risk of damaging the hw. Arnd -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html