Re: [PATCHv4 1/5] Bluetooth: Define AMP controller statuses

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Hi Marcel,

On Wed, Nov 16, 2011 at 02:50:10PM +0900, Marcel Holtmann wrote:
> Hi Andrei,
> 
> > AMP status codes copied from Bluez patch sent by Peter Krystad
> > <pkrystad@xxxxxxxxxxxxxx>.
> > 
> > Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
> > ---
> >  include/net/bluetooth/hci.h |    9 +++++++++
> >  1 files changed, 9 insertions(+), 0 deletions(-)
> > 
> > diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
> > index 139ce2a..e79ed67 100644
> > --- a/include/net/bluetooth/hci.h
> > +++ b/include/net/bluetooth/hci.h
> > @@ -56,6 +56,15 @@
> >  #define HCI_BREDR	0x00
> >  #define HCI_AMP		0x01
> >  
> > +/* AMP controller status */
> > +#define AMP_CTRL_POWERED_DOWN			0x00
> > +#define AMP_CTRL_BLUETOOTH_ONLY			0x01
> > +#define AMP_CTRL_NO_CAPACITY			0x02
> > +#define AMP_CTRL_LOW_CAPACITY			0x03
> > +#define AMP_CTRL_MEDIUM_CAPACITY		0x04
> > +#define AMP_CTRL_HIGH_CAPACITY			0x05
> > +#define AMP_CTRL_FULL_CAPACITY			0x06
> > +
> 
> is hci.h really the right place for these? It is not HCI specific
> per-se. It is A2MP detail. And as mentioned earlier, I do not believe we
> should do it like this.

I believe that it is HCI device specific since hci_dev structure is
accountable for BR/EDR and AMP controllers and we currently keep
controller-specific information in hci_dev.

Those defines indicate AMP controller status like powered or not.

What would be the better place?

include/net/bluetooth/hci_core.h
include/net/bluetooth/amp.h
include/net/bluetooth/a2mp.h


> I think we need to expose some sort of functionality that lets the AMP
> drivers handle this dynamically.

This status and other AMP parameters would be normally returned when
"read local amp info" HCI command.

Best regards 
Andrei Emeltchenko 
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