Re: [PATCH] doc: Add modem Type property

[Lei Yu <lei.2.yu@nokia.com>]

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Hi Denis,

On 01/21/2011 12:15 PM, ext Denis Kenzior wrote:
> Hi Dara,
>
> On 01/20/2011 04:48 PM, Dara Spieker-Doyle wrote:
>> Add support for providing the type of the attached modem device
>> including GSM (3GPP), CDMA (3GPP2) and Bluetooth HFP.
>> ---
>>   doc/modem-api.txt |   13 +++++++++++++
>>   1 files changed, 13 insertions(+), 0 deletions(-)
>>
>> diff --git a/doc/modem-api.txt b/doc/modem-api.txt
>> index 45043b0..fe806c8 100644
>> --- a/doc/modem-api.txt
>> +++ b/doc/modem-api.txt
>> @@ -82,6 +82,19 @@ Properties	boolean Powered [readwrite]
>>
>>   			This is usually obtained by using the +CGSN AT command.
>>
>> +		string Type [readonly, optional, experimental]
>> +
>> +			String representing the type of the modem device.
>> +
>> +			The possible values are:
>> +				"gsm" 	Modem supports one or more of the 3GPP
>> +					family of technologies including GSM,
>> +					EDGE, UMTS, HSPA, LTE.
>> +				"cdma"  Modem supports one or more of the 3GPP2
>> +					family of technologies including CDMA 1x,
>> +					EVDO.
>> +				"hfp"	Bluetooth hands-free profile (HFP) modem
>> +
>
> So one pointed question:
>
> How are we planning to support dual-mode devices with this property?  I
> believe during the CDMA workshop we decided that the clients should
> simply look at the set of interfaces, not a semi-static property...

Also, it is my understanding that the reason we create org.ofono.cdma 
interfaces during CDMA workshop are to make sure CDMA interfaces and 
logics do not "pollute" GSM interfaces and logics which are very 
different anyway. We have not ruled out the case where there may be 
shared interfaces as we see a need. Currently, org.ofono.modem is this 
case. Unless we would go ahead creating org.ofono.cdma.modem, we 
discussed that option internally but feel that is less preferable than 
the "Type" property we proposed here.

>
> Regards,
> -Denis
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Regards,
-Lei