Re: [PATCH v4 2/6] Bluetooth: Add SCO socket voice_setting option

["Frédéric DALLEAU" <frederic.dalleau@linux.intel.com>]

Le 09/04/2013 17:30, Marcel Holtmann a écrit :
> Hi Fred,
>
>>>> #define SCO_SETTINGS  0x03
>>>> struct sco_settings {
>>>>         __u16           settings;
>>>> };
>>>
>>> That is my current thinking. However we might start using SOL_BLUETOOTH and start using BT_VOICE or similar as a socket option. I do want to be able to retire SOL_SCO and SOL_L2CAP at some point.
>>
>> I just forgot about this because I don't use it and this API satisfy my needs, but it does not allow to distinguish between host side and adapter side mSBC.
>> Do you still care about this?
>
> what do you mean by host side and adapter side difference? I am not following.

I was thinking that an adapter could do some adapter side mSBC similar 
to the way SCO over PCM works. (ie when connected the adapter 
automatically encode and forward packet to/from his PCM port).
If it doesn't make sense, just forget about it.

The socket option would look like this (in bluetooth.h) :

#define BT_VOICE  11
struct bt_voice {
	__u16 setting;
};

#define BT_VOICE_TRANSPARENT  0x0003
#define BT_VOICE_CVSD         0x0060

Regards,
Fred