[PATCH] 86xx: Enable the AC97 interface on 8641D board.

[Kumar Gala]

On May 3, 2007, at 10:55 AM, Jon Loeliger wrote:

> On Thu, 2007-05-03 at 09:44, Kumar Gala wrote:
>> On May 2, 2007, at 4:53 PM, Jon Loeliger wrote:
>>
>>> From: Jason Jin <jason.jin at freescale.com>
>>>
>>> HD interface and AC97 interface share some pins and they are
>>> enabled at
>>> the same time, In order to use AC97 interface, we need to disable
>>> the HD
>>> interface first.
>>>
>>> Signed-off-by:Jason Jin<jason.jin at freescale.com>
>>> Acked-by: Jon Loeliger <jdl at freescale.com>
>>> ---
>>>  arch/powerpc/platforms/86xx/mpc86xx_hpcn.c |    7 ++++++-
>>>  1 files changed, 6 insertions(+), 1 deletions(-)
>>
>> Is the HD feature not used at all?  Is there a AC97 Driver CONFIG_
>> that makes sense to wrap that with?  Just wondering about the mutual
>> exclusion (and how to provide flexibility to the user).
>>
>> - k
>
>
> The ULI supports both the HD and AC97 interfaces, but the 8641
> only supports the AC97 interface.  Thus we can straight disable
> the HD and convert/configure the shared pins to be AC97.  Thus,
> there is no real CONFIG_ need at all.  It's only AC97.  And then
> ultimately, the presence of sound support is controlled by
> the ALSA config options as per normal.

Ok.  I'm guessing HD here isn't hard disk, but some audio thing.

- k