1 files changed, 46 insertions, 19 deletions

diff --git a/xorg-server/hw/xfree86/common/xf86Xinput.c b/xorg-server/hw/xfree86/common/xf86Xinput.c
index d22fdc8b9..9fbcba9d5 100644
--- a/xorg-server/hw/xfree86/common/xf86Xinput.c
+++ b/xorg-server/hw/xfree86/common/xf86Xinput.c
@@ -266,6 +266,34 @@ ApplyAccelerationSettings(DeviceIntPtr dev){
     }
 }
 
+static void
+ApplyTransformationMatrix(DeviceIntPtr dev)
+{
+    InputInfoPtr pInfo = (InputInfoPtr)dev->public.devicePrivate;
+    char *str;
+    int rc;
+    float matrix[9] = {0};
+
+    if (!dev->valuator)
+        return;
+
+    str = xf86SetStrOption(pInfo->options, "TransformationMatrix", NULL);
+    if (!str)
+        return;
+
+    rc = sscanf(str, "%f %f %f %f %f %f %f %f %f", &matrix[0], &matrix[1], &matrix[2],
+                &matrix[3], &matrix[4], &matrix[5], &matrix[6], &matrix[7], &matrix[8]);
+    if (rc != 9) {
+        xf86Msg(X_ERROR, "%s: invalid format for transformation matrix. Ignoring configuration.\n",
+                pInfo->name);
+        return;
+    }
+
+    XIChangeDeviceProperty(dev, XIGetKnownProperty(XI_PROP_TRANSFORM),
+                           XIGetKnownProperty(XATOM_FLOAT), 32,
+                           PropModeReplace, 9, matrix, FALSE);
+}
+
 /***********************************************************************
  *
  * xf86ProcessCommonOptions --
@@ -276,7 +304,7 @@ ApplyAccelerationSettings(DeviceIntPtr dev){
  */
 void
 xf86ProcessCommonOptions(InputInfoPtr pInfo,
-                         pointer	list)
+                         XF86OptionPtr list)
 {
     if (xf86SetBoolOption(list, "Floating", 0) ||
         !xf86SetBoolOption(list, "AlwaysCore", 1) ||
@@ -746,7 +774,7 @@ xf86DeleteInput(InputInfoPtr pInp, int flags)
 }
 
 /*
- * Apply backend-specific initialization. Invoked after ActiveteDevice(),
+ * Apply backend-specific initialization. Invoked after ActivateDevice(),
  * i.e. after the driver successfully completed DEVICE_INIT and the device
  * is advertised.
  * @param dev the device
@@ -755,6 +783,7 @@ xf86DeleteInput(InputInfoPtr pInp, int flags)
 static int
 xf86InputDevicePostInit(DeviceIntPtr dev) {
     ApplyAccelerationSettings(dev);
+    ApplyTransformationMatrix(dev);
     return Success;
 }
 
@@ -879,35 +908,35 @@ NewInputDeviceRequest (InputOption *options, InputAttributes *attrs,
     if (!pInfo)
         return BadAlloc;
 
-    for (option = options; option; option = option->next) {
-        if (strcasecmp(option->key, "driver") == 0) {
+    nt_list_for_each_entry(option, options, next) {
+        if (strcasecmp(input_option_get_key(option), "driver") == 0) {
             if (pInfo->driver) {
                 rval = BadRequest;
                 goto unwind;
             }
-            pInfo->driver = xstrdup(option->value);
+            pInfo->driver = xstrdup(input_option_get_value(option));
             if (!pInfo->driver) {
                 rval = BadAlloc;
                 goto unwind;
             }
         }
 
-        if (strcasecmp(option->key, "name") == 0 ||
-            strcasecmp(option->key, "identifier") == 0) {
+        if (strcasecmp(input_option_get_key(option), "name") == 0 ||
+            strcasecmp(input_option_get_key(option), "identifier") == 0) {
             if (pInfo->name) {
                 rval = BadRequest;
                 goto unwind;
             }
-            pInfo->name = xstrdup(option->value);
+            pInfo->name = xstrdup(input_option_get_value(option));
             if (!pInfo->name) {
                 rval = BadAlloc;
                 goto unwind;
             }
         }
 
-        if (strcmp(option->key, "_source") == 0 &&
-            (strcmp(option->value, "server/hal") == 0 ||
-             strcmp(option->value, "server/udev") == 0)) {
+        if (strcmp(input_option_get_key(option), "_source") == 0 &&
+            (strcmp(input_option_get_value(option), "server/hal") == 0 ||
+             strcmp(input_option_get_value(option), "server/udev") == 0)) {
             is_auto = 1;
             if (!xf86Info.autoAddDevices) {
                 rval = BadMatch;
@@ -916,13 +945,11 @@ NewInputDeviceRequest (InputOption *options, InputAttributes *attrs,
         }
     }
 
-    for (option = options; option; option = option->next) {
-        /* Steal option key/value strings from the provided list.
-         * We need those strings, the InputOption list doesn't. */
-        pInfo->options = xf86addNewOption(pInfo->options,
-                                               option->key, option->value);
-        option->key = NULL;
-        option->value = NULL;
+    nt_list_for_each_entry(option, options, next) {
+        /* Copy option key/value strings from the provided list */
+        pInfo->options = xf86AddNewOption(pInfo->options,
+                                          input_option_get_key(option),
+                                          input_option_get_value(option));
     }
 
     /* Apply InputClass settings */
@@ -1348,7 +1375,7 @@ xf86InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, Atom label, int minval,
 }
 
 /*
- * Set the valuator values to be in synch with dix/event.c
+ * Set the valuator values to be in sync with dix/event.c
  * DefineInitialRootWindow().
  */
 void