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eventcomm: drop some use of mtdev

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When checking the device don't open a new mtdev instance, use the existing
libevdev struct.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
This commit is contained in:
Peter Hutterer
2014-03-10 16:35:45 +10:00
parent 5b7e172636
commit c90a76ab0e
1 changed files with 51 additions and 51 deletions
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102
src/eventcomm.c
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@@ -51,6 +51,9 @@
#ifndef INPUT_PROP_SEMI_MT
#define INPUT_PROP_SEMI_MT 0x03
#endif
#ifndef ABS_MT_TOOL_Y
#define ABS_MT_TOOL_Y 0x3d
#endif
#define SYSCALL(call) while (((call) == -1) && (errno == EINTR))
@@ -60,6 +63,10 @@
#define LONG(x) ((x) / LONG_BITS)
#define TEST_BIT(bit, array) ((array[LONG(bit)] >> OFF(bit)) & 1)
#define ABS_MT_MIN ABS_MT_SLOT
#define ABS_MT_MAX ABS_MT_TOOL_Y
#define ABS_MT_CNT (ABS_MT_MAX - ABS_MT_MIN + 1)
/**
* Protocol-specific data.
*/
@@ -73,7 +80,7 @@ struct eventcomm_proto_data {
int st_to_mt_offset[2];
double st_to_mt_scale[2];
struct mtdev *mtdev;
int axis_map[MT_ABS_SIZE];
int axis_map[ABS_MT_CNT];
int cur_slot;
ValuatorMask **last_mt_vals;
int num_touches;
@@ -782,47 +789,40 @@ event_query_touch(InputInfoPtr pInfo)
SynapticsPrivate *priv = (SynapticsPrivate *) pInfo->private;
SynapticsParameters *para = &priv->synpara;
struct eventcomm_proto_data *proto_data = priv->proto_data;
struct mtdev *mtdev;
int i;
struct libevdev *dev = proto_data->evdev;
int axis;
priv->max_touches = 0;
priv->num_mt_axes = 0;
#ifdef EVIOCGPROP
if (libevdev_has_property(proto_data->evdev, INPUT_PROP_SEMI_MT)) {
if (libevdev_has_property(dev, INPUT_PROP_SEMI_MT)) {
xf86IDrvMsg(pInfo, X_INFO,
"ignoring touch events for semi-multitouch device\n");
priv->has_semi_mt = TRUE;
}
if (libevdev_has_property(proto_data->evdev, INPUT_PROP_BUTTONPAD)) {
if (libevdev_has_property(dev, INPUT_PROP_BUTTONPAD)) {
xf86IDrvMsg(pInfo, X_INFO, "found clickpad property\n");
para->clickpad = TRUE;
}
#endif
mtdev = mtdev_new_open(pInfo->fd);
if (!mtdev) {
xf86IDrvMsg(pInfo, X_WARNING,
"failed to open mtdev when querying touch capabilities\n");
return;
}
for (i = 0; i < MT_ABS_SIZE; i++) {
if (mtdev->caps.has_abs[i]) {
switch (i) {
/* X and Y axis info is handed by synaptics already */
case ABS_MT_POSITION_X - ABS_MT_TOUCH_MAJOR:
case ABS_MT_POSITION_Y - ABS_MT_TOUCH_MAJOR:
/* Skip tracking ID info */
case ABS_MT_TRACKING_ID - ABS_MT_TOUCH_MAJOR:
break;
default:
priv->num_mt_axes++;
break;
}
priv->has_touch = TRUE;
}
for (axis = ABS_MT_SLOT + 1; axis <= ABS_MT_MAX; axis++) {
if (!libevdev_has_event_code(dev, EV_ABS, axis))
continue;
priv->has_touch = TRUE;
/* X and Y axis info is handled by synaptics already and we don't
expose the tracking ID */
if (axis == ABS_MT_POSITION_X ||
axis == ABS_MT_POSITION_Y ||
axis == ABS_MT_TRACKING_ID)
continue;
priv->num_mt_axes++;
}
if (priv->has_touch) {
@@ -842,53 +842,53 @@ event_query_touch(InputInfoPtr pInfo)
AXIS_LABEL_PROP_ABS_MT_PRESSURE,
};
if (mtdev->caps.slot.maximum > 0)
priv->max_touches = mtdev->caps.slot.maximum -
mtdev->caps.slot.minimum + 1;
if (libevdev_has_event_code(dev, EV_ABS, ABS_MT_SLOT))
priv->max_touches = libevdev_get_num_slots(dev);
else
priv->max_touches = SYNAPTICS_MAX_TOUCHES;
priv->touch_axes = malloc(priv->num_mt_axes *
sizeof(SynapticsTouchAxisRec));
if (!priv->touch_axes) {
priv->has_touch = FALSE;
goto out;
return;
}
axnum = 0;
for (i = 0; i < MT_ABS_SIZE; i++) {
if (mtdev->caps.has_abs[i]) {
switch (i) {
/* X and Y axis info is handed by synaptics already, we just
* need to map the evdev codes to the valuator numbers */
case ABS_MT_POSITION_X - ABS_MT_TOUCH_MAJOR:
proto_data->axis_map[i] = 0;
for (axis = ABS_MT_SLOT + 1; axis <= ABS_MT_MAX; axis++) {
int axis_idx = axis - ABS_MT_TOUCH_MAJOR;
if (!libevdev_has_event_code(dev, EV_ABS, axis))
continue;
switch (axis) {
/* X and Y axis info is handled by synaptics already, we just
* need to map the evdev codes to the valuator numbers */
case ABS_MT_POSITION_X:
proto_data->axis_map[axis_idx] = 0;
break;
case ABS_MT_POSITION_Y - ABS_MT_TOUCH_MAJOR:
proto_data->axis_map[i] = 1;
case ABS_MT_POSITION_Y:
proto_data->axis_map[axis_idx] = 1;
break;
/* Skip tracking ID info */
case ABS_MT_TRACKING_ID - ABS_MT_TOUCH_MAJOR:
case ABS_MT_TRACKING_ID:
break;
default:
priv->touch_axes[axnum].label = labels[i];
priv->touch_axes[axnum].min = mtdev->caps.abs[i].minimum;
priv->touch_axes[axnum].max = mtdev->caps.abs[i].maximum;
priv->touch_axes[axnum].label = labels[axis_idx];
priv->touch_axes[axnum].min = libevdev_get_abs_minimum(dev, axis);
priv->touch_axes[axnum].max = libevdev_get_abs_maximum(dev, axis);
/* Kernel provides units/mm, X wants units/m */
priv->touch_axes[axnum].res =
mtdev->caps.abs[i].resolution * 1000;
priv->touch_axes[axnum].res = libevdev_get_abs_resolution(dev, axis) * 1000;
/* Valuators 0-3 are used for X, Y, and scrolling */
proto_data->axis_map[i] = 4 + axnum;
proto_data->axis_map[axis_idx] = 4 + axnum;
axnum++;
break;
}
}
}
}
out:
mtdev_close_delete(mtdev);
}
/**
@@ -904,7 +904,7 @@ EventReadDevDimensions(InputInfoPtr pInfo)
proto_data = EventProtoDataAlloc(pInfo->fd);
priv->proto_data = proto_data;
for (i = 0; i < MT_ABS_SIZE; i++)
for (i = 0; i < ABS_MT_CNT; i++)
proto_data->axis_map[i] = -1;
proto_data->cur_slot = -1;