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

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[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
# HG changeset patch
# User Keir Fraser <[hidden email]>
# 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 <[hidden email]>
---
 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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