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Re: [PATCH] ath9k: Enable Bluetooth Coexistence support

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On Fri, Jan 2, 2009 at 9:31 PM, Michael Buesch <mb@xxxxxxxxx> wrote:
> On Friday 02 January 2009 20:06:08 Kalle Valo wrote:
>> On Fri, Jan 2, 2009 at 8:52 PM, Stefanik Gábor <netrolller.3d@xxxxxxxxx> wrote:
>> > Probably a NOBTCOEX modparam might be a good idea - when implementing
>> > BT coexistence in b43, a lot of non-BT-aware cards failed to work
>> > because the BT GPIO line was connected to the TX preamplifier,
>> > breaking all TX.
>>
>> It would be nice to have a common interface for this, for example
>> through nl80211. Lots of drivers have BT coexistence support. But this
>> is just an idea.
>
> Well, why? If btcoex works correctly (= is not buggy), the user does not
> notice it at all. I see no reason to turn it off. Except if it's buggy.

Working around buggy implementations was the primary reason why I
suggested this.

> But then we should simply fix it or always disable it at compiletime, if
> it's not possible to fix.

It would just make it easier for the users if the drivers would have a
unified interface for this. Having a different modparam for each
driver is ugly.

But this just an idea, let's not waste too much time on this. Someone
(not me) will send a patch if she feels this is a good idea. Most
probably no one will.

Kalle
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