[Xen-changelog] [linux-2.6.18-xen] Decode mouse event packet dz value and passes it as a wheel event into

["Xen patchbot-linux-2.6.18-xen" <patchbot-linux-2.6.18-xen@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1197294767 0
# Node ID c3ff0b26f664b46a542505c98ea418b0268b516d
# Parent  7232a025140ffb2bc2d5df40d7fbec816c30a576
Decode mouse event packet dz value and passes it as a wheel event into
the input stream.

Signed-off-by: Pat Campbell <plc@xxxxxxxxxx>
---
 drivers/xen/fbfront/xenkbd.c |   20 +++++++++++++++-----
 1 files changed, 15 insertions(+), 5 deletions(-)

diff -r 7232a025140f -r c3ff0b26f664 drivers/xen/fbfront/xenkbd.c
--- a/drivers/xen/fbfront/xenkbd.c      Mon Dec 10 13:51:57 2007 +0000
+++ b/drivers/xen/fbfront/xenkbd.c      Mon Dec 10 13:52:47 2007 +0000
@@ -64,8 +64,13 @@ static irqreturn_t input_handler(int rq,
                dev = info->ptr;
                switch (event->type) {
                case XENKBD_TYPE_MOTION:
-                       input_report_rel(dev, REL_X, event->motion.rel_x);
-                       input_report_rel(dev, REL_Y, event->motion.rel_y);
+                       if ( event->motion.rel_z == 1 || event->motion.rel_z == 
-1 ) {
+                               input_report_rel(dev, REL_WHEEL, 0 - 
event->motion.rel_z);
+                       }           
+                       else {
+                               input_report_rel(dev, REL_X, 
event->motion.rel_x);
+                               input_report_rel(dev, REL_Y, 
event->motion.rel_y);
+                       }
                        break;
                case XENKBD_TYPE_KEY:
                        dev = NULL;
@@ -81,8 +86,13 @@ static irqreturn_t input_handler(int rq,
                                       event->key.keycode);
                        break;
                case XENKBD_TYPE_POS:
-                       input_report_abs(dev, ABS_X, event->pos.abs_x);
-                       input_report_abs(dev, ABS_Y, event->pos.abs_y);
+                       if ( event->pos.abs_z == 1 || event->pos.abs_z == -1 ) {
+                               input_report_rel(dev, REL_WHEEL, 0 - 
event->pos.abs_z);
+                       }
+                       else {
+                               input_report_abs(dev, ABS_X, event->pos.abs_x);
+                               input_report_abs(dev, ABS_Y, event->pos.abs_y);
+                       }
                        break;
                }
                if (dev)
@@ -152,7 +162,7 @@ int __devinit xenkbd_probe(struct xenbus
        ptr->evbit[0] = BIT(EV_KEY) | BIT(EV_REL) | BIT(EV_ABS);
        for (i = BTN_LEFT; i <= BTN_TASK; i++)
                set_bit(i, ptr->keybit);
-       ptr->relbit[0] = BIT(REL_X) | BIT(REL_Y);
+       ptr->relbit[0] = BIT(REL_X) | BIT(REL_Y) | BIT(REL_WHEEL);
        input_set_abs_params(ptr, ABS_X, 0, XENFB_WIDTH, 0, 0);
        input_set_abs_params(ptr, ABS_Y, 0, XENFB_HEIGHT, 0, 0);
 

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