Re: [PATCH 1/3] xpad.c: Added flags into xpad_device structure and removed dpad_mapping.

From: Dmitry Torokhov
Date: Wed May 02 2007 - 22:39:08 EST


Hi Jan,

On Wednesday 02 May 2007 11:01, Jan Kratochvil wrote:
> This changes are expected to simplify further improves of this driver,
> We will need to add information if the driver is xbox360 device or not.
>
> Second option was to simply add u8 is_360, but what if we'll need to know
> if device is a wheel? Or if the device can have keyboard (or headset) attached.
>

...

> -#define MAP_DPAD_TO_BUTTONS 0
> -#define MAP_DPAD_TO_AXES 1
> -#define MAP_DPAD_UNKNOWN -1
> +#define XPAD_FLAGS_DPAD_TO_BUTTONS (1 << 0)
> +#define XPAD_FLAGS_DPAD_TO_AXES (1 << 1)
> +#define XPAD_FLAGS_DPAD_UNKNOWN (1 << 2)
>

Turning this into bitmaps suggests that all of these could be set which is
not the case. Since there are 3 spare bytes in xpad_device structure to
use for additional flags/bitmaps I'd leave dpad_mapping alone.

--
Dmitry
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