Am 29.02.2016 17:10, schrieb Greg KH: > On Mon, Feb 29, 2016 at 02:47:45PM +0100, walter harms wrote: >> Hello List, >> >> is someone aware of a problem with DTR in that driver ? >> >> I use: Linux version 3.4.53-MMI-SW.401_0.1-43 > > That's a very old and obsolete kernel version. Please ask for support > from the vendor that is forcing you to live with that kernel version, > that is what you are paying for. > > We can help you here if you try the latest kernel release, can you try > 4.4? > Hi, i would like to give same feedback. Using a newer version of linux caused unexpected problems unrelated to the interface but we found a possible trouble spot. the chip cp2105 has a One Time Programmable register to define DTR etc. we were not aware of that. I would suggest to add an ioctl to get the mode. (I did not see one). so someone has a change to find the problem next time. re, wh > thanks, > > greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
