Replace hardcoded 11 with a define

The 11 comes from the legacy API that we need to be binary compatible with.
Make this clear with a define and a comment.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

1 files changed, 6 insertions, 6 deletions

diff --git a/src/caps.c b/src/caps.c
index 45c185c..2e6b0d4 100644
--- a/src/caps.c
+++ b/src/caps.c
@@ -61,10 +61,10 @@ static struct input_absinfo *get_info(struct mtdev *dev, int code)
                 return NULL;
 
         ix = mtdev_abs2mt(code);
-        if (ix < 11)
+        if (ix < LEGACY_API_NUM_MT_AXES)
                 return &dev->abs[ix];
         else
-                return &dev->state->ext_abs[ix - 11];
+                return &dev->state->ext_abs[ix - LEGACY_API_NUM_MT_AXES];
 }
 
 static void set_info(struct mtdev *dev, int code,
@@ -156,10 +156,10 @@ int mtdev_has_mt_event(const struct mtdev *dev, int code)
                 return 0;
 
         ix = mtdev_abs2mt(code);
-        if (ix < 11)
+        if (ix < LEGACY_API_NUM_MT_AXES)
                 return dev->has_abs[ix];
         else
-                return dev->state->has_ext_abs[ix - 11];
+                return dev->state->has_ext_abs[ix - LEGACY_API_NUM_MT_AXES];
 }
 
 int mtdev_get_abs_minimum(const struct mtdev *dev, int code)
@@ -203,10 +203,10 @@ void mtdev_set_mt_event(struct mtdev *dev, int code, int value)
                 return;
 
         ix = mtdev_abs2mt(code);
-        if (ix < 11)
+        if (ix < LEGACY_API_NUM_MT_AXES)
                 dev->has_abs[ix] = value;
         else
-                dev->state->has_ext_abs[ix - 11] = value;
+                dev->state->has_ext_abs[ix - LEGACY_API_NUM_MT_AXES] = value;
 }
 
 void mtdev_set_abs_maximum(struct mtdev *dev, int code, int value)