On 19 June 2012 01:06, Zach Pfeffer
<zach.pfeffer@linaro.org> wrote:
On 18 June 2012 02:43, Jayeeta BANDYOPADHYAY
<jayeeta.banerjee@stericsson.com> wrote:
> Hi Zach,
>
> Supriya requires some clarifications abt supporting USB features.
>
> I guess these questions are for you.
>
> Regards,
>
> Jayeeta
>
>
>
> From: Supriya s KARANTH
> Sent: Monday, June 11, 2012 5:36 PM
> To: Jayeeta BANDYOPADHYAY
> Cc: Rajaram REGUPATHY; A Sunil KAMATH
> Subject: Clarification on USB features for snowball
>
>
>
> Hi Jayeeta,
>
>
>
> I have a few questions on USB features.
>
>
>
> 1) MTP vs Mass Storage – Which one to use?
>
> a. MTP and USB Mass Storage are mutually exclusive. Only one of them
> should be enabled at a time.
>
> b. In Linaro ICS the Mass storage option is not present and there is
> only MTP in the UI.
Looks like MTP. Does anyone else have an opinion?
AOSP comes with MTP support enabled by default presumably because Galaxy Nexus doesn't have an external SD-card slot. Iirc UMS is also supported in AOSP, there are few XDA threads available which will help you achieving this functionality on your device.
> 2) Does ECM have to be enabled?
What's ECM?
Ethernet Connection Manager I assume. You probably don't need it on a hand-held device.
> a. This requires changes to android specific files in the linux
> kernel. Since we have only one usb topic branch for both Android and Ubuntu
> is it possible to push changes to android specific files in the linux
> kernel?
>
> b. There is already RNDIS class available. Do we need ECM? We can use
> either RNDIS or ECM.
>
>
>
> 3) USB tethering (RNDIS) option from UI
>
> a. There is currently no tethering option from UI ( for neither
> USB/Bluetooth/Wifi ). Who should do the UI related changes. There is a
> launchpad bug – 887961
I think we may want to get a thread going on this and we can handle it
as a feature request.
>
>
> Thanks
>
> Supriya
>
>
--
Zach Pfeffer
Android Platform Team Lead, Linaro Platform Teams
Linaro.org | Open source software for ARM SoCs
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http://twitter.com/#!/linaroorg - http://www.linaro.org/linaro-blog
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