Re: [PATCH] input: keyboard: adp5589-keys: Add support for the ADP5585 derivatives

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On 08/04/2011 05:19 AM, Dmitry Torokhov wrote:
On Wed, Aug 03, 2011 at 10:30:08AM +0200, Michael Hennerich wrote:
On 07/29/2011 03:00 PM, michael.hennerich@xxxxxxxxxx wrote:
From: Michael Hennerich<michael.hennerich@xxxxxxxxxx>

The ADP5585 family keypad decoder and IO expander is similar to the ADP5589,
however it features less IO pins, and lacks hardware assisted key-lock
functionality. Unfortunately the register addresses are different, as well as
the event codes and bit organization within the port related registers.

Move ADP5589 Register defines from the header file into the main source file.
Add new defines while making sure we don't break existing platform_data.
Add register address translation, and turn device specific defines into variables.
Introduce some helper functions and disable functions that doesn't
exist on the added devices.

Signed-off-by: Michael Hennerich<michael.hennerich@xxxxxxxxxx>
---
  drivers/input/keyboard/Kconfig        |    4 +-
  drivers/input/keyboard/adp5589-keys.c |  607 ++++++++++++++++++++++++++-------
  include/linux/input/adp5589.h         |  157 ++++-----
  3 files changed, 549 insertions(+), 219 deletions(-)

Hi Dmitry,

If you prefer support for the ADP5585 as separate driver, please let
me know.
Hi Michael,

No, I actually like this approach very much, but do you think we could
have adp5589-keys.c, adp5585-keys.c and adp558x-keys-core.c? The
register definitions put all in one file are a bit overwhelming...

Hi Dmitry,

The register look-up table used for the ADP5585 also requires the ADP5589 defines. Also the core file would need the ADP5589 defines. So I don't think splitting stuff into
3 source files will greatly improve things.

--

Greetings,
Michael

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