[PATCH 0/2 v2] mpc5200 ac97 gpio reset

[Grant Likely]

On Mon, Jun 14, 2010 at 3:55 PM, Eric Millbrandt
<emillbrandt at dekaresearch.com> wrote:
> These patches reimplement the reset fuction in the ac97 to use gpio pins
> instead of using the mpc5200 ac97 reset functionality in the psc.  This
> avoids a problem in which attached ac97 devices go into "test" mode appear
> unresponsive.
>
> These patches were tested on a pcm030 baseboard and on custom hardware with
> a wm9715 audio codec/touchscreen controller.
>
> Eric Millbrandt
>
> ---
>
> changes since v1
> - Refactored to manipulate port_config and gpio pins internally instead of
>  exporting an API.
> - Amended commit message with comments from Mark Brown
> - Refactored to move the port_config manipulation to platform code.
> - Remove the gpio pins from the device-tree
>
> Eric Millbrandt (2):
>    powerpc/5200: add mpc5200_psc_ac97_gpio_reset
>    sound/soc: mpc5200_psc_ac97: Use gpio pins for cold reset
>
>  arch/powerpc/include/asm/mpc52xx.h           |    1 +
>  arch/powerpc/platforms/52xx/mpc52xx_common.c |  103 ++++++++++++++++++++++++++
>  sound/soc/fsl/mpc5200_psc_ac97.c             |   33 +++++++-
>  3 files changed, 133 insertions(+), 4 deletions(-)
>
> -DISCLAIMER: an automatically appended disclaimer may follow. By posting-
> -to a public e-mail mailing list I hereby grant permission to distribute-
> -and copy this message.-

Hahahahaha!  You're disclaimer to the disclaimer is awesome.

g.

>
>
>
> This e-mail and the information, including any attachments, it contains are intended to be a confidential communication only to the person or entity to whom it is addressed and may contain information that is privileged. If the reader of this message is not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you have received this communication in error, please immediately notify the sender and destroy the original message.
>
> Thank you.
>
> Please consider the environment before printing this email.
>



-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.