Add synaptics orientation support

This patch allows usage of "synclient Orientation=0" (values from 0 to
3). It will rotate the touchpad similar to "xrandr -o". Original patch
was extended for alps and ps2.

Signed-off-by: Christoph Brill <egore911@egore911.de>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/properties.c b/src/properties.c
index 23b5a6a..06909ed 100644
--- a/src/properties.c
+++ b/src/properties.c
@@ -83,6 +83,7 @@ Atom prop_capabilities          = 0;
 Atom prop_resolution            = 0;
 Atom prop_area                  = 0;
 Atom prop_noise_cancellation    = 0;
+Atom prop_orientation           = 0;
 
 static Atom
 InitAtom(DeviceIntPtr dev, char *name, int format, int nvalues, int *values)
@@ -285,6 +286,8 @@ InitDeviceProperties(InputInfoPtr pInfo)
     prop_noise_cancellation = InitAtom(pInfo->dev,
             SYNAPTICS_PROP_NOISE_CANCELLATION, 32, 2, values);
 
+    prop_orientation = InitAtom(pInfo->dev, SYNAPTICS_ORIENTATION, 32, 1, &para->orientation);
+
 }
 
 int
@@ -666,6 +669,11 @@ SetProperty(DeviceIntPtr dev, Atom property, XIPropertyValuePtr prop,
             return BadValue;
         para->hyst_x = hyst[0];
         para->hyst_y = hyst[1];
+    } else if (property == prop_orientation)
+    {
+        if (prop->size != 1 || prop->format != 32 || prop->type != XA_INTEGER)
+            return BadMatch;
+        para->orientation = *(INT32*)prop->data;
     }
 
     return Success;