Re: [PATCH 8/8] api: Let MM_MODEM_MODE be a bitfield, and new PreferredMode property

[Aleksander Morgado <aleksander lanedo com>]

> Supported and Allowed modes are modified to be bitmasks of MM_MODEM_MODE values,
> and preference of a specific mode is now given in the new PreferredMode
> property and as an extra argument to the SetAllowedModes() call.
> 
>  * Supported Modes: bitmask specifying which modes are supported by the specific
> hardware. For example, a modem may only support 1G/2G/3G connections (not 4G).
> 
>  * Allowed Modes: bitmask specifying which modes, of the ones Supported by the
> modem, are allowed to use. For example, a modem may support 1G/2G/3G connections
> but only 1G and 2G connections are allowed by the user as 3G involves more
> expensive data rates.
> 
>  [Allowed] ⊆ [Supported]
> 
>  * Preferred Mode: specific mode which is preferred among the ones defined in
> the Allowed modes bitmask. For example, a modem may allow 1G/2G/3G connections
> but the user would like that if possible 2G be used, as 3G consumes too much
> battery. If 2G is not possible, 3G can be used.
> 
>  [Preferred] ∈ [Allowed]

After talk in IRC, decided to push this fix as it is; we can change it
afterwards if needed.

-- 
Aleksander