ubuntu-phone team mailing list archive

[Ionut Negru <blackjohnny@xxxxxxxxx>]

So far I have tested my dell docking station to handle both mouse and
keyboard via OTG cable and it works nicely. I have tested a MHL cable but
it doesn't seem to work even on a samsung device that is supposed to work
with (it might be defective). The Mx4 Android version is advertised with
MHL support and the hardware is the same as for the ubuntu-touch version.

On Sat, Oct 10, 2015 at 2:02 PM Simos Xenitellis <simos.lists@xxxxxxxxxxxxxx>
wrote:

> On Sat, Oct 10, 2015 at 1:22 PM, Ionut Negru <blackjohnny@xxxxxxxxx>
> wrote:
>
>> Hello,
>>
>> I wonder if there is anyone that has tried to use the phone with external
>> keyboard, mouse and display all together. Is mhl support working yet?
>> What accessories did you use?
>>
>> I run ubuntu on mx4. Thanks!
>>
>>
> There was a recent discussion about MHL support.
> Meizu does not explicitly mention MHL support for the MX4 (not the MX4
> Pro) on Android.
> Some people asked at http://forum.meizu.com/viewthread.php?tid=17450 with
> no reply.
> What is not conclusive, is whether the MX4 has the full hardware set of
> parts to support MHL.
> The SoC for the MX4 (MediaTek) supports MHL, however the phone needs an
> extra chip that will work
> with the SoC for MHL. It is not clear if it is there.
> If you see
>
> http://www.siliconimage.com/Company/News_and_Events/Press_Releases/2014_02_23_-_Silicon_Image_Announces_New_MHL%C2%AE_Smartphone_Reference_Designs_with_MediaTek/
> it mentions (that's how I interpret it) that a device needs to also have
> the SiI8348 MHL transmitter chip
> to work with the SoC.
> We either get the Meizu tech people to make a statement, or we find some
> high resolution images
> of the MX4 board and then try to identify whether the MHL support chip is
> present on the board.
>
> Regarding keyboard and mouse: there will be an update in the Bluetooth
> software to BlueZ 5.0
> (currently BlueZ 4.0) which will probably allow to use Bluetooth
> peripherals.
> Some Bluetooth devices might work already, however the update to BlueZ 5
> will be substantial.
>
> At the moment you can use an adapter for microUSB to standard USB
> (female),
> which allows to connect all sort of USB devices. Many people use that and
> it works well.
> See for example,
> http://www.amazon.com/Micro-USB-Male-Female-Adapter/dp/B0027YYMU6
> It might make sense to get something like
> http://www.amazon.com/StarTech-com-5in-Micro-Host-Adapter/dp/B00B4GGW5Q/
> so that there would be less chances for an accident that would break the
> MX4 USB port.
>
> Simos
>