diff options
Diffstat (limited to 'src/xf86Elo.c')
| -rw-r--r-- | src/xf86Elo.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/src/xf86Elo.c b/src/xf86Elo.c index 7449abd..3e936af 100644 --- a/src/xf86Elo.c +++ b/src/xf86Elo.c @@ -1691,6 +1691,7 @@ xf86EloInit(InputDriverPtr drv, EloPrivatePtr priv=NULL; char *str; int portrait = 0; + int height, width; local = xf86EloAllocate(drv); if (!local) { @@ -1757,11 +1758,21 @@ xf86EloInit(InputDriverPtr drv, str = "Landscape"; } xf86Msg(X_CONFIG, "Elographics device will work in %s mode\n", str); - - if (priv->max_x - priv->min_x <= 0) { + + width = priv->max_x - priv->min_x; + height = priv->max_y - priv->min_y; + if (width == 0) { + xf86Msg(X_ERROR, "Elographics: Cannot configure touchscreen with width 0\n"); + return local; + } + else if (width < 0) { xf86Msg(X_INFO, "Elographics: reverse x mode (minimum x position >= maximum x position)\n"); - } - if (priv->max_y - priv->min_y <= 0) { + } + if (height == 0) { + xf86Msg(X_ERROR, "Elographics: Cannot configure touchscreen with height 0\n"); + return local; + } + else if (height < 0) { xf86Msg(X_INFO, "Elographics: reverse y mode (minimum y position >= maximum y position)\n"); } |