evdev: opt out accelerometer type of devices
We may want to adjust the protocol later for clients that care for these devices only, generating a special event. Signed-off-by: Tiago Vignatti <tiago.vignatti@intel.com>
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@ -200,16 +200,21 @@ evdev_input_device_data(int fd, uint32_t mask, void *data)
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#define TEST_BIT(array, bit) ((array[LONG(bit)] >> OFF(bit)) & 1)
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/* end copied */
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static void
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static int
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evdev_configure_device(struct evdev_input_device *device)
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{
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struct input_absinfo absinfo;
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unsigned long ev_bits[NBITS(EV_MAX)];
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unsigned long abs_bits[NBITS(ABS_MAX)];
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unsigned long key_bits[NBITS(KEY_MAX)];
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int has_key, has_abs;
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has_key = 0;
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has_abs = 0;
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ioctl(device->fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits);
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if (TEST_BIT(ev_bits, EV_ABS)) {
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has_abs = 1;
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ioctl(device->fd, EVIOCGBIT(EV_ABS, sizeof(abs_bits)),
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abs_bits);
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if (TEST_BIT(abs_bits, ABS_X)) {
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@ -224,12 +229,21 @@ evdev_configure_device(struct evdev_input_device *device)
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}
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}
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if (TEST_BIT(ev_bits, EV_KEY)) {
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has_key = 1;
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ioctl(device->fd, EVIOCGBIT(EV_KEY, sizeof(key_bits)),
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key_bits);
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if (TEST_BIT(key_bits, BTN_TOOL_FINGER) &&
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!TEST_BIT(key_bits, BTN_TOOL_PEN))
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device->is_touchpad = 1;
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}
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/* This rule tries to catch accelerometer devices and opt out. We may
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* want to adjust the protocol later adding a proper event for dealing
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* with accelerometers and implement here accordingly */
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if (has_abs && !has_key)
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return -1;
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return 0;
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}
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static struct evdev_input_device *
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@ -256,7 +270,11 @@ evdev_input_device_create(struct evdev_input *master,
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return NULL;
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}
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evdev_configure_device(device);
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if (evdev_configure_device(device) == -1) {
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close(device->fd);
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free(device);
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return NULL;
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}
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loop = wl_display_get_event_loop(display);
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device->source = wl_event_loop_add_fd(loop, device->fd,
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