diff options
Diffstat (limited to 'driver/xf86-input-synaptics/src/properties.c')
| -rw-r--r-- | driver/xf86-input-synaptics/src/properties.c | 673 |
1 files changed, 673 insertions, 0 deletions
diff --git a/driver/xf86-input-synaptics/src/properties.c b/driver/xf86-input-synaptics/src/properties.c new file mode 100644 index 000000000..23b5a6a4c --- /dev/null +++ b/driver/xf86-input-synaptics/src/properties.c @@ -0,0 +1,673 @@ +/* + * Copyright © 2008 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of Red Hat + * not be used in advertising or publicity pertaining to distribution + * of the software without specific, written prior permission. Red + * Hat makes no representations about the suitability of this software + * for any purpose. It is provided "as is" without express or implied + * warranty. + * + * THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN + * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS + * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Authors: Peter Hutterer + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <xorg-server.h> +#include "xf86Module.h" + +#include <X11/Xatom.h> +#include <xf86.h> +#include <xf86Xinput.h> +#include <exevents.h> + +#include "synaptics.h" +#include "synapticsstr.h" +#include "synaptics-properties.h" + +#ifndef XATOM_FLOAT +#define XATOM_FLOAT "FLOAT" +#endif +static Atom float_type; + +Atom prop_edges = 0; +Atom prop_finger = 0; +Atom prop_tap_time = 0; +Atom prop_tap_move = 0; +Atom prop_tap_durations = 0; +Atom prop_tap_fast = 0; +Atom prop_middle_timeout = 0; +Atom prop_twofinger_pressure = 0; +Atom prop_twofinger_width = 0; +Atom prop_scrolldist = 0; +Atom prop_scrolledge = 0; +Atom prop_scrolltwofinger = 0; +Atom prop_speed = 0; +Atom prop_edgemotion_pressure = 0; +Atom prop_edgemotion_speed = 0; +Atom prop_edgemotion_always = 0; +Atom prop_buttonscroll = 0; +Atom prop_buttonscroll_repeat = 0; +Atom prop_buttonscroll_time = 0; +Atom prop_off = 0; +Atom prop_lockdrags = 0; +Atom prop_lockdrags_time = 0; +Atom prop_tapaction = 0; +Atom prop_clickaction = 0; +Atom prop_circscroll = 0; +Atom prop_circscroll_dist = 0; +Atom prop_circscroll_trigger = 0; +Atom prop_circpad = 0; +Atom prop_palm = 0; +Atom prop_palm_dim = 0; +Atom prop_coastspeed = 0; +Atom prop_pressuremotion = 0; +Atom prop_pressuremotion_factor = 0; +Atom prop_grab = 0; +Atom prop_gestures = 0; +Atom prop_capabilities = 0; +Atom prop_resolution = 0; +Atom prop_area = 0; +Atom prop_noise_cancellation = 0; + +static Atom +InitAtom(DeviceIntPtr dev, char *name, int format, int nvalues, int *values) +{ + int i; + Atom atom; + uint8_t val_8[9]; /* we never have more than 9 values in an atom */ + uint16_t val_16[9]; + uint32_t val_32[9]; + pointer converted; + + + for (i = 0; i < nvalues; i++) + { + switch(format) + { + case 8: val_8[i] = values[i]; break; + case 16: val_16[i] = values[i]; break; + case 32: val_32[i] = values[i]; break; + } + } + + switch(format) + { + case 8: converted = val_8; break; + case 16: converted = val_16; break; + case 32: converted = val_32; break; + } + + atom = MakeAtom(name, strlen(name), TRUE); + XIChangeDeviceProperty(dev, atom, XA_INTEGER, format, + PropModeReplace, nvalues, + converted, FALSE); + XISetDevicePropertyDeletable(dev, atom, FALSE); + return atom; +} + +static Atom +InitFloatAtom(DeviceIntPtr dev, char *name, int nvalues, float *values) +{ + Atom atom; + + atom = MakeAtom(name, strlen(name), TRUE); + XIChangeDeviceProperty(dev, atom, float_type, 32, PropModeReplace, + nvalues, values, FALSE); + XISetDevicePropertyDeletable(dev, atom, FALSE); + return atom; +} + +void +InitDeviceProperties(InputInfoPtr pInfo) +{ + SynapticsPrivate *priv = (SynapticsPrivate *) pInfo->private; + SynapticsParameters *para = &priv->synpara; + int values[9]; /* we never have more than 9 values in an atom */ + float fvalues[4]; /* never have more than 4 float values */ + + float_type = XIGetKnownProperty(XATOM_FLOAT); + if (!float_type) + { + float_type = MakeAtom(XATOM_FLOAT, strlen(XATOM_FLOAT), TRUE); + if (!float_type) + { + xf86Msg(X_ERROR, "%s: Failed to init float atom. " + "Disabling property support.\n", pInfo->name); + return; + } + } + + values[0] = para->left_edge; + values[1] = para->right_edge; + values[2] = para->top_edge; + values[3] = para->bottom_edge; + + prop_edges = InitAtom(pInfo->dev, SYNAPTICS_PROP_EDGES, 32, 4, values); + + values[0] = para->finger_low; + values[1] = para->finger_high; + values[2] = para->finger_press; + + prop_finger = InitAtom(pInfo->dev, SYNAPTICS_PROP_FINGER, 32, 3, values); + prop_tap_time = InitAtom(pInfo->dev, SYNAPTICS_PROP_TAP_TIME, 32, 1, ¶->tap_time); + prop_tap_move = InitAtom(pInfo->dev, SYNAPTICS_PROP_TAP_MOVE, 32, 1, ¶->tap_move); + + values[0] = para->single_tap_timeout; + values[1] = para->tap_time_2; + values[2] = para->click_time; + + prop_tap_durations = InitAtom(pInfo->dev, SYNAPTICS_PROP_TAP_DURATIONS, 32, 3, values); + prop_tap_fast = InitAtom(pInfo->dev, SYNAPTICS_PROP_TAP_FAST, 8, 1, ¶->fast_taps); + prop_middle_timeout = InitAtom(pInfo->dev, SYNAPTICS_PROP_MIDDLE_TIMEOUT, + 32, 1, ¶->emulate_mid_button_time); + prop_twofinger_pressure = InitAtom(pInfo->dev, SYNAPTICS_PROP_TWOFINGER_PRESSURE, + 32, 1, ¶->emulate_twofinger_z); + prop_twofinger_width = InitAtom(pInfo->dev, SYNAPTICS_PROP_TWOFINGER_WIDTH, + 32, 1, ¶->emulate_twofinger_w); + + values[0] = para->scroll_dist_vert; + values[1] = para->scroll_dist_horiz; + prop_scrolldist = InitAtom(pInfo->dev, SYNAPTICS_PROP_SCROLL_DISTANCE, 32, 2, values); + + values[0] = para->scroll_edge_vert; + values[1] = para->scroll_edge_horiz; + values[2] = para->scroll_edge_corner; + prop_scrolledge = InitAtom(pInfo->dev, SYNAPTICS_PROP_SCROLL_EDGE,8, 3, values); + values[0] = para->scroll_twofinger_vert; + values[1] = para->scroll_twofinger_horiz; + prop_scrolltwofinger = InitAtom(pInfo->dev, SYNAPTICS_PROP_SCROLL_TWOFINGER,8, 2, values); + + fvalues[0] = para->min_speed; + fvalues[1] = para->max_speed; + fvalues[2] = para->accl; + fvalues[3] = para->trackstick_speed; + prop_speed = InitFloatAtom(pInfo->dev, SYNAPTICS_PROP_SPEED, 4, fvalues); + + values[0] = para->edge_motion_min_z; + values[1] = para->edge_motion_max_z; + prop_edgemotion_pressure = InitAtom(pInfo->dev, SYNAPTICS_PROP_EDGEMOTION_PRESSURE, 32, 2, values); + + values[0] = para->edge_motion_min_speed; + values[1] = para->edge_motion_max_speed; + prop_edgemotion_speed = InitAtom(pInfo->dev, SYNAPTICS_PROP_EDGEMOTION_SPEED, 32, 2, values); + prop_edgemotion_always = InitAtom(pInfo->dev, SYNAPTICS_PROP_EDGEMOTION, 8, 1, ¶->edge_motion_use_always); + + if (priv->has_scrollbuttons) + { + values[0] = para->updown_button_scrolling; + values[1] = para->leftright_button_scrolling; + prop_buttonscroll = InitAtom(pInfo->dev, SYNAPTICS_PROP_BUTTONSCROLLING, 8, 2, values); + + values[0] = para->updown_button_repeat; + values[1] = para->leftright_button_repeat; + prop_buttonscroll_repeat = InitAtom(pInfo->dev, SYNAPTICS_PROP_BUTTONSCROLLING_REPEAT, 8, 2, values); + prop_buttonscroll_time = InitAtom(pInfo->dev, SYNAPTICS_PROP_BUTTONSCROLLING_TIME, 32, 1, ¶->scroll_button_repeat); + } + + prop_off = InitAtom(pInfo->dev, SYNAPTICS_PROP_OFF, 8, 1, ¶->touchpad_off); + prop_lockdrags = InitAtom(pInfo->dev, SYNAPTICS_PROP_LOCKED_DRAGS, 8, 1, ¶->locked_drags); + prop_lockdrags_time = InitAtom(pInfo->dev, SYNAPTICS_PROP_LOCKED_DRAGS_TIMEOUT, 32, 1, ¶->locked_drag_time); + + memcpy(values, para->tap_action, MAX_TAP * sizeof(int)); + prop_tapaction = InitAtom(pInfo->dev, SYNAPTICS_PROP_TAP_ACTION, 8, MAX_TAP, values); + + memcpy(values, para->click_action, MAX_CLICK * sizeof(int)); + prop_clickaction = InitAtom(pInfo->dev, SYNAPTICS_PROP_CLICK_ACTION, 8, MAX_CLICK, values); + + prop_circscroll = InitAtom(pInfo->dev, SYNAPTICS_PROP_CIRCULAR_SCROLLING, 8, 1, ¶->circular_scrolling); + + fvalues[0] = para->scroll_dist_circ; + prop_circscroll_dist = InitFloatAtom(pInfo->dev, SYNAPTICS_PROP_CIRCULAR_SCROLLING_DIST, 1, fvalues); + + prop_circscroll_trigger = InitAtom(pInfo->dev, SYNAPTICS_PROP_CIRCULAR_SCROLLING_TRIGGER, 8, 1, ¶->circular_trigger); + prop_circpad = InitAtom(pInfo->dev, SYNAPTICS_PROP_CIRCULAR_PAD, 8, 1, ¶->circular_pad); + prop_palm = InitAtom(pInfo->dev, SYNAPTICS_PROP_PALM_DETECT, 8, 1, ¶->palm_detect); + + values[0] = para->palm_min_width; + values[1] = para->palm_min_z; + + prop_palm_dim = InitAtom(pInfo->dev, SYNAPTICS_PROP_PALM_DIMENSIONS, 32, 2, values); + + fvalues[0] = para->coasting_speed; + fvalues[1] = para->coasting_friction; + prop_coastspeed = InitFloatAtom(pInfo->dev, SYNAPTICS_PROP_COASTING_SPEED, 2, fvalues); + + values[0] = para->press_motion_min_z; + values[1] = para->press_motion_max_z; + prop_pressuremotion = InitAtom(pInfo->dev, SYNAPTICS_PROP_PRESSURE_MOTION, 32, 2, values); + + fvalues[0] = para->press_motion_min_factor; + fvalues[1] = para->press_motion_max_factor; + + prop_pressuremotion_factor = InitFloatAtom(pInfo->dev, SYNAPTICS_PROP_PRESSURE_MOTION_FACTOR, 2, fvalues); + + prop_grab = InitAtom(pInfo->dev, SYNAPTICS_PROP_GRAB, 8, 1, ¶->grab_event_device); + + values[0] = para->tap_and_drag_gesture; + prop_gestures = InitAtom(pInfo->dev, SYNAPTICS_PROP_GESTURES, 8, 1, values); + + values[0] = priv->has_left; + values[1] = priv->has_middle; + values[2] = priv->has_right; + values[3] = priv->has_double; + values[4] = priv->has_triple; + values[5] = priv->has_pressure; + values[6] = priv->has_width; + prop_capabilities = InitAtom(pInfo->dev, SYNAPTICS_PROP_CAPABILITIES, 8, 7, values); + + values[0] = para->resolution_vert; + values[1] = para->resolution_horiz; + prop_resolution = InitAtom(pInfo->dev, SYNAPTICS_PROP_RESOLUTION, 32, 2, values); + + values[0] = para->area_left_edge; + values[1] = para->area_right_edge; + values[2] = para->area_top_edge; + values[3] = para->area_bottom_edge; + prop_area = InitAtom(pInfo->dev, SYNAPTICS_PROP_AREA, 32, 4, values); + + values[0] = para->hyst_x; + values[1] = para->hyst_y; + prop_noise_cancellation = InitAtom(pInfo->dev, + SYNAPTICS_PROP_NOISE_CANCELLATION, 32, 2, values); + +} + +int +SetProperty(DeviceIntPtr dev, Atom property, XIPropertyValuePtr prop, + BOOL checkonly) +{ + InputInfoPtr pInfo = dev->public.devicePrivate; + SynapticsPrivate *priv = (SynapticsPrivate *) pInfo->private; + SynapticsParameters *para = &priv->synpara; + SynapticsParameters tmp; + + /* If checkonly is set, no parameters may be changed. So just let the code + * change temporary variables and forget about it. */ + if (checkonly) + { + tmp = *para; + para = &tmp; + } + + if (property == prop_edges) + { + INT32 *edges; + if (prop->size != 4 || prop->format != 32 || prop->type != XA_INTEGER) + return BadMatch; + + edges = (INT32*)prop->data; + if (edges[0] > edges[1] || edges[2] > edges[3]) + return BadValue; + + para->left_edge = edges[0]; + para->right_edge = edges[1]; + para->top_edge = edges[2]; + para->bottom_edge = edges[3]; + + } else if (property == prop_finger) + { + INT32 *finger; + if (prop->size != 3 || prop->format != 32 || prop->type != XA_INTEGER) + return BadMatch; + + finger = (INT32*)prop->data; + if (finger[0] > finger[1]) + return BadValue; + + para->finger_low = finger[0]; + para->finger_high = finger[1]; + para->finger_press = finger[2]; + + } else if (property == prop_tap_time) + { + if (prop->size != 1 || prop->format != 32 || prop->type != XA_INTEGER) + return BadMatch; + + para->tap_time = *(INT32*)prop->data; + + } else if (property == prop_tap_move) + { + if (prop->size != 1 || prop->format != 32 || prop->type != XA_INTEGER) + return BadMatch; + + para->tap_move = *(INT32*)prop->data; + } else if (property == prop_tap_durations) + { + INT32 *timeouts; + + if (prop->size != 3 || prop->format != 32 || prop->type != XA_INTEGER) + return BadMatch; + + timeouts = (INT32*)prop->data; + + para->single_tap_timeout = timeouts[0]; + para->tap_time_2 = timeouts[1]; + para->click_time = timeouts[2]; + + } else if (property == prop_tap_fast) + { + if (prop->size != 1 || prop->format != 8 || prop->type != XA_INTEGER) + return BadMatch; + + para->fast_taps = *(BOOL*)prop->data; + + } else if (property == prop_middle_timeout) + { + if (prop->size != 1 || prop->format != 32 || prop->type != XA_INTEGER) + return BadMatch; + + para->emulate_mid_button_time = *(INT32*)prop->data; + } else if (property == prop_twofinger_pressure) + { + if (prop->size != 1 || prop->format != 32 || prop->type != XA_INTEGER) + return BadMatch; + + para->emulate_twofinger_z = *(INT32*)prop->data; + } else if (property == prop_twofinger_width) + { + if (prop->size != 1 || prop->format != 32 || prop->type != XA_INTEGER) + return BadMatch; + + para->emulate_twofinger_w = *(INT32*)prop->data; + } else if (property == prop_scrolldist) + { + INT32 *dist; + if (prop->size != 2 || prop->format != 32 || prop->type != XA_INTEGER) + return BadMatch; + + dist = (INT32*)prop->data; + para->scroll_dist_vert = dist[0]; + para->scroll_dist_horiz = dist[1]; + } else if (property == prop_scrolledge) + { + CARD8 *edge; + if (prop->size != 3 || prop->format != 8 || prop->type != XA_INTEGER) + return BadMatch; + + edge = (BOOL*)prop->data; + para->scroll_edge_vert = edge[0]; + para->scroll_edge_horiz = edge[1]; + para->scroll_edge_corner = edge[2]; + } else if (property == prop_scrolltwofinger) + { + CARD8 *twofinger; + + if (prop->size != 2 || prop->format != 8 || prop->type != XA_INTEGER) + return BadMatch; + + twofinger = (BOOL*)prop->data; + para->scroll_twofinger_vert = twofinger[0]; + para->scroll_twofinger_horiz = twofinger[1]; + } else if (property == prop_speed) + { + float *speed; + + if (prop->size != 4 || prop->format != 32 || prop->type != float_type) + return BadMatch; + + speed = (float*)prop->data; + para->min_speed = speed[0]; + para->max_speed = speed[1]; + para->accl = speed[2]; + para->trackstick_speed = speed[3]; + + } else if (property == prop_edgemotion_pressure) + { + CARD32 *pressure; + + if (prop->size != 2 || prop->format != 32 || prop->type != XA_INTEGER) + return BadMatch; + + pressure = (CARD32*)prop->data; + if (pressure[0] > pressure[1]) + return BadValue; + + para->edge_motion_min_z = pressure[0]; + para->edge_motion_max_z = pressure[1]; + + } else if (property == prop_edgemotion_speed) + { + CARD32 *speed; + + if (prop->size != 2 || prop->format != 32 || prop->type != XA_INTEGER) + return BadMatch; + + speed = (CARD32*)prop->data; + if (speed[0] > speed[1]) + return BadValue; + + para->edge_motion_min_speed = speed[0]; + para->edge_motion_max_speed = speed[1]; + + } else if (property == prop_edgemotion_always) + { + if (prop->size != 1 || prop->format != 8 || prop->type != XA_INTEGER) + return BadMatch; + + para->edge_motion_use_always = *(BOOL*)prop->data; + + } else if (property == prop_buttonscroll) + { + BOOL *scroll; + + if (!priv->has_scrollbuttons) + return BadMatch; + + if (prop->size != 2 || prop->format != 8 || prop->type != XA_INTEGER) + return BadMatch; + + scroll = (BOOL*)prop->data; + para->updown_button_scrolling = scroll[0]; + para->leftright_button_scrolling = scroll[1]; + + } else if (property == prop_buttonscroll_repeat) + { + BOOL *repeat; + + if (!priv->has_scrollbuttons) + return BadMatch; + + if (prop->size != 2 || prop->format != 8 || prop->type != XA_INTEGER) + return BadMatch; + + repeat = (BOOL*)prop->data; + para->updown_button_repeat = repeat[0]; + para->leftright_button_repeat = repeat[1]; + } else if (property == prop_buttonscroll_time) + { + if (!priv->has_scrollbuttons) + return BadMatch; + + if (prop->size != 1 || prop->format != 32 || prop->type != XA_INTEGER) + return BadMatch; + + para->scroll_button_repeat = *(INT32*)prop->data; + + } else if (property == prop_off) + { + CARD8 off; + if (prop->size != 1 || prop->format != 8 || prop->type != XA_INTEGER) + return BadMatch; + + off = *(CARD8*)prop->data; + + if (off > 2) + return BadValue; + + para->touchpad_off = off; + } else if (property == prop_gestures) + { + BOOL *gestures; + + if (prop->size != 1 || prop->format != 8 || prop->type != XA_INTEGER) + return BadMatch; + + gestures = (BOOL*)prop->data; + para->tap_and_drag_gesture = gestures[0]; + } else if (property == prop_lockdrags) + { + if (prop->size != 1 || prop->format != 8 || prop->type != XA_INTEGER) + return BadMatch; + + para->locked_drags = *(BOOL*)prop->data; + } else if (property == prop_lockdrags_time) + { + if (prop->size != 1 || prop->format != 32 || prop->type != XA_INTEGER) + return BadMatch; + + para->locked_drag_time = *(INT32*)prop->data; + } else if (property == prop_tapaction) + { + int i; + CARD8 *action; + + if (prop->size > MAX_TAP || prop->format != 8 || prop->type != XA_INTEGER) + return BadMatch; + + action = (CARD8*)prop->data; + + for (i = 0; i < MAX_TAP; i++) + para->tap_action[i] = action[i]; + } else if (property == prop_clickaction) + { + int i; + CARD8 *action; + + if (prop->size > MAX_CLICK || prop->format != 8 || prop->type != XA_INTEGER) + return BadMatch; + + action = (CARD8*)prop->data; + + for (i = 0; i < MAX_CLICK; i++) + para->click_action[i] = action[i]; + } else if (property == prop_circscroll) + { + if (prop->size != 1 || prop->format != 8 || prop->type != XA_INTEGER) + return BadMatch; + + para->circular_scrolling = *(BOOL*)prop->data; + + } else if (property == prop_circscroll_dist) + { + float circdist; + + if (prop->size != 1 || prop->format != 32 || prop->type != float_type) + return BadMatch; + + circdist = *(float*)prop->data; + para->scroll_dist_circ = circdist; + } else if (property == prop_circscroll_trigger) + { + int trigger; + if (prop->size != 1 || prop->format != 8 || prop->type != XA_INTEGER) + return BadMatch; + + trigger = *(CARD8*)prop->data; + if (trigger > 8) + return BadValue; + + para->circular_trigger = trigger; + + } else if (property == prop_circpad) + { + if (prop->size != 1 || prop->format != 8 || prop->type != XA_INTEGER) + return BadMatch; + + para->circular_pad = *(BOOL*)prop->data; + } else if (property == prop_palm) + { + if (prop->size != 1 || prop->format != 8 || prop->type != XA_INTEGER) + return BadMatch; + + para->palm_detect = *(BOOL*)prop->data; + } else if (property == prop_palm_dim) + { + INT32 *dim; + + if (prop->size != 2 || prop->format != 32 || prop->type != XA_INTEGER) + return BadMatch; + + dim = (INT32*)prop->data; + + para->palm_min_width = dim[0]; + para->palm_min_z = dim[1]; + } else if (property == prop_coastspeed) + { + float *coast_speeds; + + if (prop->size != 2 || prop->format != 32 || prop->type != float_type) + return BadMatch; + + coast_speeds = (float*)prop->data; + para->coasting_speed = coast_speeds[0]; + para->coasting_friction = coast_speeds[1]; + } else if (property == prop_pressuremotion) + { + float *press; + if (prop->size != 2 || prop->format != 32 || prop->type != float_type) + return BadMatch; + + press = (float*)prop->data; + if (press[0] > press[1]) + return BadValue; + + para->press_motion_min_z = press[0]; + para->press_motion_max_z = press[1]; + } else if (property == prop_grab) + { + if (prop->size != 1 || prop->format != 8 || prop->type != XA_INTEGER) + return BadMatch; + + para->grab_event_device = *(BOOL*)prop->data; + } else if (property == prop_capabilities) + { + /* read-only */ + return BadValue; + } else if (property == prop_resolution) + { + /* read-only */ + return BadValue; + } else if (property == prop_area) + { + INT32 *area; + if (prop->size != 4 || prop->format != 32 || prop->type != XA_INTEGER) + return BadMatch; + + area = (INT32*)prop->data; + if ((((area[0] != 0) && (area[1] != 0)) && (area[0] > area[1]) ) || (((area[2] != 0) && (area[3] != 0)) && (area[2] > area[3]))) + return BadValue; + + para->area_left_edge = area[0]; + para->area_right_edge = area[1]; + para->area_top_edge = area[2]; + para->area_bottom_edge = area[3]; + } else if (property == prop_noise_cancellation) { + INT32 *hyst; + if (prop->size != 2 || prop->format != 32 || prop->type != XA_INTEGER) + return BadMatch; + + hyst = (INT32*)prop->data; + if (hyst[0] < 0 || hyst[1] < 0) + return BadValue; + para->hyst_x = hyst[0]; + para->hyst_y = hyst[1]; + } + + return Success; +} + |