Add z-axis motion to pointer events. Backward compatible, because there's space for the z-axis in union xenkbd_in_event, and old backends zero it. Derived from http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/57dfe0098000 http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/1edfea26a2a9 http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/c3ff0b26f664 Signed-off-by: Pat Campbell <plc@xxxxxxxxxx> Signed-off-by: Markus Armbruster <armbru@xxxxxxxxxx> --- drivers/input/xen-kbdfront.c | 8 +++++++- include/xen/interface/io/kbdif.h | 2 ++ 2 files changed, 9 insertions(+), 1 deletions(-) diff --git a/drivers/input/xen-kbdfront.c b/drivers/input/xen-kbdfront.c index 0f47f46..9da4452 100644 --- a/drivers/input/xen-kbdfront.c +++ b/drivers/input/xen-kbdfront.c @@ -66,6 +66,9 @@ static irqreturn_t input_handler(int rq, void *dev_id) 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) + input_report_rel(dev, REL_WHEEL, + -event->motion.rel_z); break; case XENKBD_TYPE_KEY: dev = NULL; @@ -84,6 +87,9 @@ static irqreturn_t input_handler(int rq, void *dev_id) 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.rel_z) + input_report_rel(dev, REL_WHEEL, + -event->pos.rel_z); break; } if (dev) @@ -152,7 +158,7 @@ static int __devinit xenkbd_probe(struct xenbus_device *dev, 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); diff --git a/include/xen/interface/io/kbdif.h b/include/xen/interface/io/kbdif.h index fb97f42..8066c78 100644 --- a/include/xen/interface/io/kbdif.h +++ b/include/xen/interface/io/kbdif.h @@ -49,6 +49,7 @@ struct xenkbd_motion { uint8_t type; /* XENKBD_TYPE_MOTION */ int32_t rel_x; /* relative X motion */ int32_t rel_y; /* relative Y motion */ + int32_t rel_z; /* relative Z motion (wheel) */ }; struct xenkbd_key { @@ -61,6 +62,7 @@ struct xenkbd_position { uint8_t type; /* XENKBD_TYPE_POS */ int32_t abs_x; /* absolute X position (in FB pixels) */ int32_t abs_y; /* absolute Y position (in FB pixels) */ + int32_t rel_z; /* relative Z motion (wheel) */ }; #define XENKBD_IN_EVENT_SIZE 40 -- 1.5.3.3 _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
