[PATCH synaptics] Define various EVIOCGPROP bits if non-existent

[Chase Douglas]

On 03/24/2012 09:09 PM, Peter Hutterer wrote:
> And make the ioctl conditional.
> 
> Reported-by: Emmanuel Benisty <benisty.e at gmail.com>
> Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
> ---
>  src/eventcomm.c |    8 ++++++++
>  1 files changed, 8 insertions(+), 0 deletions(-)
> 
> diff --git a/src/eventcomm.c b/src/eventcomm.c
> index 3721c91..cd89180 100644
> --- a/src/eventcomm.c
> +++ b/src/eventcomm.c
> @@ -45,6 +45,12 @@
>  #include <mtdev.h>
>  #endif
>  
> +#ifndef INPUT_PROP_BUTTONPAD
> +#define INPUT_PROP_BUTTONPAD 0x02
> +#endif
> +#ifndef INPUT_PROP_SEMI_MT
> +#define INPUT_PROP_SEMI_MT 0x03
> +#endif
>  
>  #define SYSCALL(call) while (((call) == -1) && (errno == EINTR))
>  
> @@ -760,6 +766,7 @@ event_query_touch(InputInfoPtr pInfo)
>      priv->max_touches = 0;
>      priv->num_mt_axes = 0;
>  
> +#ifdef EVIOCGPROP
>      SYSCALL(rc = ioctl(pInfo->fd, EVIOCGPROP(sizeof(prop)), &prop));
>      if (rc >= 0 && BitIsOn(&prop, INPUT_PROP_SEMI_MT))
>      {
> @@ -773,6 +780,7 @@ event_query_touch(InputInfoPtr pInfo)
>          xf86IDrvMsg(pInfo, X_INFO, "found clickpad property\n");
>          para->clickpad = TRUE;
>      }
> +#endif
>  
>      mtdev = mtdev_new_open(pInfo->fd);
>      if (!mtdev)

Yeah, I didn't think about older kernels...

Reviewed-by: Chase Douglas <chase.douglas at canonical.com>