[PATCH libinput] touchpad: if we have a serio keyboard, override any previous dwt pairing
Hans de Goede
hdegoede at redhat.com
Thu Feb 4 13:13:56 UTC 2016
Hi,
On 04-02-16 08:23, Peter Hutterer wrote:
> If a USB keyboard like the YubiKey is found before the internal keyboard, it
> will be paired with the touchpad when it is seen. The internal keyboard is
> seen later but ignored because we already have a keyboard paired with the
> touchpad.
>
> This is obviously wrong. For now, give priority to serio keyboards, and
> override existing dwt pairings with the new keyboard.
>
> https://bugs.freedesktop.org/show_bug.cgi?id=93983
>
> Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
Patch looks good to me: Reviewed-by: Hans de Goede <hdegoede at redhat.com>
Regards.
Hans
> ---
> src/evdev-mt-touchpad.c | 48 ++++++++---
> test/Makefile.am | 2 +
> test/litest-device-synaptics-i2c.c | 102 ++++++++++++++++++++++
> test/litest-device-yubikey.c | 169 +++++++++++++++++++++++++++++++++++++
> test/litest.c | 4 +
> test/litest.h | 2 +
> test/touchpad.c | 103 ++++++++++++++++++++++
> 7 files changed, 416 insertions(+), 14 deletions(-)
> create mode 100644 test/litest-device-synaptics-i2c.c
> create mode 100644 test/litest-device-yubikey.c
>
> diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
> index d0d1ddd..2be9d40 100644
> --- a/src/evdev-mt-touchpad.c
> +++ b/src/evdev-mt-touchpad.c
> @@ -1336,6 +1336,38 @@ tp_want_dwt(struct evdev_device *touchpad,
> }
>
> static void
> +tp_dwt_pair_keyboard(struct evdev_device *touchpad,
> + struct evdev_device *keyboard)
> +{
> + struct tp_dispatch *tp = (struct tp_dispatch*)touchpad->dispatch;
> + unsigned int bus_kbd = libevdev_get_id_bustype(keyboard->evdev);
> +
> + if (!tp_want_dwt(touchpad, keyboard))
> + return;
> +
> + /* If we already have a keyboard paired, override it if the new one
> + * is a serio device. Otherwise keep the current one */
> + if (tp->dwt.keyboard) {
> + if (bus_kbd != BUS_I8042)
> + return;
> +
> + memset(tp->dwt.key_mask, 0, sizeof(tp->dwt.key_mask));
> + libinput_device_remove_event_listener(&tp->dwt.keyboard_listener);
> + }
> +
> + libinput_device_add_event_listener(&keyboard->base,
> + &tp->dwt.keyboard_listener,
> + tp_keyboard_event, tp);
> + tp->dwt.keyboard = keyboard;
> + tp->dwt.keyboard_active = false;
> +
> + log_debug(touchpad->base.seat->libinput,
> + "palm: dwt activated with %s<->%s\n",
> + touchpad->devname,
> + keyboard->devname);
> +}
> +
> +static void
> tp_interface_device_added(struct evdev_device *device,
> struct evdev_device *added_device)
> {
> @@ -1359,20 +1391,8 @@ tp_interface_device_added(struct evdev_device *device,
> tp_trackpoint_event, tp);
> }
>
> - if (added_device->tags & EVDEV_TAG_KEYBOARD &&
> - tp->dwt.keyboard == NULL &&
> - tp_want_dwt(device, added_device)) {
> - log_debug(tp_libinput_context(tp),
> - "palm: dwt activated with %s<->%s\n",
> - device->devname,
> - added_device->devname);
> -
> - libinput_device_add_event_listener(&added_device->base,
> - &tp->dwt.keyboard_listener,
> - tp_keyboard_event, tp);
> - tp->dwt.keyboard = added_device;
> - tp->dwt.keyboard_active = false;
> - }
> + if (added_device->tags & EVDEV_TAG_KEYBOARD)
> + tp_dwt_pair_keyboard(device, added_device);
>
> if (tp->sendevents.current_mode !=
> LIBINPUT_CONFIG_SEND_EVENTS_DISABLED_ON_EXTERNAL_MOUSE)
> diff --git a/test/Makefile.am b/test/Makefile.am
> index 27a2a36..c7e68ef 100644
> --- a/test/Makefile.am
> +++ b/test/Makefile.am
> @@ -38,6 +38,7 @@ liblitest_la_SOURCES = \
> litest-device-qemu-usb-tablet.c \
> litest-device-synaptics.c \
> litest-device-synaptics-hover.c \
> + litest-device-synaptics-i2c.c \
> litest-device-synaptics-st.c \
> litest-device-synaptics-t440.c \
> litest-device-synaptics-x1-carbon-3rd.c \
> @@ -53,6 +54,7 @@ liblitest_la_SOURCES = \
> litest-device-wheel-only.c \
> litest-device-xen-virtual-pointer.c \
> litest-device-vmware-virtual-usb-mouse.c \
> + litest-device-yubikey.c \
> litest.c
> liblitest_la_LIBADD = $(top_builddir)/src/libinput-util.la
> liblitest_la_CFLAGS = $(AM_CFLAGS) \
> diff --git a/test/litest-device-synaptics-i2c.c b/test/litest-device-synaptics-i2c.c
> new file mode 100644
> index 0000000..b6b632b
> --- /dev/null
> +++ b/test/litest-device-synaptics-i2c.c
> @@ -0,0 +1,102 @@
> +/*
> + * Copyright © 2015 Red Hat, Inc.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the next
> + * paragraph) shall be included in all copies or substantial portions of the
> + * Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> + * DEALINGS IN THE SOFTWARE.
> + */
> +
> +#if HAVE_CONFIG_H
> +#include "config.h"
> +#endif
> +
> +#include "litest.h"
> +#include "litest-int.h"
> +
> +static void
> +litest_synaptics_i2c_setup(void)
> +{
> + struct litest_device *d = litest_create_device(LITEST_SYNAPTICS_I2C);
> + litest_set_current_device(d);
> +}
> +
> +static struct input_event down[] = {
> + { .type = EV_ABS, .code = ABS_X, .value = LITEST_AUTO_ASSIGN },
> + { .type = EV_ABS, .code = ABS_Y, .value = LITEST_AUTO_ASSIGN },
> + { .type = EV_ABS, .code = ABS_MT_SLOT, .value = LITEST_AUTO_ASSIGN },
> + { .type = EV_ABS, .code = ABS_MT_TRACKING_ID, .value = LITEST_AUTO_ASSIGN },
> + { .type = EV_ABS, .code = ABS_MT_POSITION_X, .value = LITEST_AUTO_ASSIGN },
> + { .type = EV_ABS, .code = ABS_MT_POSITION_Y, .value = LITEST_AUTO_ASSIGN },
> + { .type = EV_SYN, .code = SYN_REPORT, .value = 0 },
> + { .type = -1, .code = -1 },
> +};
> +
> +static struct input_event move[] = {
> + { .type = EV_ABS, .code = ABS_MT_SLOT, .value = LITEST_AUTO_ASSIGN },
> + { .type = EV_ABS, .code = ABS_X, .value = LITEST_AUTO_ASSIGN },
> + { .type = EV_ABS, .code = ABS_Y, .value = LITEST_AUTO_ASSIGN },
> + { .type = EV_ABS, .code = ABS_MT_POSITION_X, .value = LITEST_AUTO_ASSIGN },
> + { .type = EV_ABS, .code = ABS_MT_POSITION_Y, .value = LITEST_AUTO_ASSIGN },
> + { .type = EV_SYN, .code = SYN_REPORT, .value = 0 },
> + { .type = -1, .code = -1 },
> +};
> +
> +static struct litest_device_interface interface = {
> + .touch_down_events = down,
> + .touch_move_events = move,
> +};
> +
> +static struct input_id input_id = {
> + .bustype = 0x18,
> + .vendor = 0x6cb,
> + .product = 0x76ad,
> +};
> +
> +static int events[] = {
> + EV_KEY, BTN_LEFT,
> + EV_KEY, BTN_TOOL_FINGER,
> + EV_KEY, BTN_TOUCH,
> + EV_KEY, BTN_TOOL_DOUBLETAP,
> + EV_KEY, BTN_TOOL_TRIPLETAP,
> + INPUT_PROP_MAX, INPUT_PROP_POINTER,
> + INPUT_PROP_MAX, INPUT_PROP_BUTTONPAD,
> + -1, -1,
> +};
> +
> +static struct input_absinfo absinfo[] = {
> + { ABS_X, 0, 1216, 0, 0, 12 },
> + { ABS_Y, 0, 680, 0, 0, 12 },
> + { ABS_MT_SLOT, 0, 1, 0, 0, 0 },
> + { ABS_MT_POSITION_X, 0, 1216, 0, 0, 12 },
> + { ABS_MT_POSITION_Y, 0, 680, 0, 0, 12 },
> + { ABS_MT_TRACKING_ID, 0, 65535, 0, 0, 0 },
> + { .value = -1 }
> +};
> +
> +struct litest_test_device litest_synaptics_i2c_device = {
> + .type = LITEST_SYNAPTICS_I2C,
> + .features = LITEST_TOUCHPAD | LITEST_CLICKPAD | LITEST_BUTTON,
> + .shortname = "synaptics-i2c",
> + .setup = litest_synaptics_i2c_setup,
> + .interface = &interface,
> +
> + .name = "DLL0704:01 06CB:76AD Touchpad",
> + .id = &input_id,
> + .events = events,
> + .absinfo = absinfo,
> +};
> diff --git a/test/litest-device-yubikey.c b/test/litest-device-yubikey.c
> new file mode 100644
> index 0000000..d2c1d4c
> --- /dev/null
> +++ b/test/litest-device-yubikey.c
> @@ -0,0 +1,169 @@
> +/*
> + * Copyright © 2014 Red Hat, Inc.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice (including the next
> + * paragraph) shall be included in all copies or substantial portions of the
> + * Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
> + * DEALINGS IN THE SOFTWARE.
> + */
> +
> +#if HAVE_CONFIG_H
> +#include "config.h"
> +#endif
> +
> +#include "litest.h"
> +#include "litest-int.h"
> +
> +static void litest_yubikey_setup(void)
> +{
> + struct litest_device *d = litest_create_device(LITEST_YUBIKEY);
> + litest_set_current_device(d);
> +}
> +
> +static struct input_id input_id = {
> + .bustype = 0x3,
> + .vendor = 0x1050,
> + .product = 0x10,
> +};
> +
> +static int events[] = {
> + EV_KEY, KEY_ESC,
> + EV_KEY, KEY_1,
> + EV_KEY, KEY_2,
> + EV_KEY, KEY_3,
> + EV_KEY, KEY_4,
> + EV_KEY, KEY_5,
> + EV_KEY, KEY_6,
> + EV_KEY, KEY_7,
> + EV_KEY, KEY_8,
> + EV_KEY, KEY_9,
> + EV_KEY, KEY_0,
> + EV_KEY, KEY_MINUS,
> + EV_KEY, KEY_EQUAL,
> + EV_KEY, KEY_BACKSPACE,
> + EV_KEY, KEY_TAB,
> + EV_KEY, KEY_Q,
> + EV_KEY, KEY_W,
> + EV_KEY, KEY_E,
> + EV_KEY, KEY_R,
> + EV_KEY, KEY_T,
> + EV_KEY, KEY_Y,
> + EV_KEY, KEY_U,
> + EV_KEY, KEY_I,
> + EV_KEY, KEY_O,
> + EV_KEY, KEY_P,
> + EV_KEY, KEY_LEFTBRACE,
> + EV_KEY, KEY_RIGHTBRACE,
> + EV_KEY, KEY_ENTER,
> + EV_KEY, KEY_LEFTCTRL,
> + EV_KEY, KEY_A,
> + EV_KEY, KEY_S,
> + EV_KEY, KEY_D,
> + EV_KEY, KEY_F,
> + EV_KEY, KEY_G,
> + EV_KEY, KEY_H,
> + EV_KEY, KEY_J,
> + EV_KEY, KEY_K,
> + EV_KEY, KEY_L,
> + EV_KEY, KEY_SEMICOLON,
> + EV_KEY, KEY_APOSTROPHE,
> + EV_KEY, KEY_GRAVE,
> + EV_KEY, KEY_LEFTSHIFT,
> + EV_KEY, KEY_BACKSLASH,
> + EV_KEY, KEY_Z,
> + EV_KEY, KEY_X,
> + EV_KEY, KEY_C,
> + EV_KEY, KEY_V,
> + EV_KEY, KEY_B,
> + EV_KEY, KEY_N,
> + EV_KEY, KEY_M,
> + EV_KEY, KEY_COMMA,
> + EV_KEY, KEY_DOT,
> + EV_KEY, KEY_SLASH,
> + EV_KEY, KEY_RIGHTSHIFT,
> + EV_KEY, KEY_KPASTERISK,
> + EV_KEY, KEY_LEFTALT,
> + EV_KEY, KEY_SPACE,
> + EV_KEY, KEY_CAPSLOCK,
> + EV_KEY, KEY_F1,
> + EV_KEY, KEY_F2,
> + EV_KEY, KEY_F3,
> + EV_KEY, KEY_F4,
> + EV_KEY, KEY_F5,
> + EV_KEY, KEY_F6,
> + EV_KEY, KEY_F7,
> + EV_KEY, KEY_F8,
> + EV_KEY, KEY_F9,
> + EV_KEY, KEY_F10,
> + EV_KEY, KEY_NUMLOCK,
> + EV_KEY, KEY_SCROLLLOCK,
> + EV_KEY, KEY_KP7,
> + EV_KEY, KEY_KP8,
> + EV_KEY, KEY_KP9,
> + EV_KEY, KEY_KPMINUS,
> + EV_KEY, KEY_KP4,
> + EV_KEY, KEY_KP5,
> + EV_KEY, KEY_KP6,
> + EV_KEY, KEY_KPPLUS,
> + EV_KEY, KEY_KP1,
> + EV_KEY, KEY_KP2,
> + EV_KEY, KEY_KP3,
> + EV_KEY, KEY_KP0,
> + EV_KEY, KEY_KPDOT,
> + EV_KEY, KEY_102ND,
> + EV_KEY, KEY_F11,
> + EV_KEY, KEY_F12,
> + EV_KEY, KEY_KPENTER,
> + EV_KEY, KEY_RIGHTCTRL,
> + EV_KEY, KEY_KPSLASH,
> + EV_KEY, KEY_SYSRQ,
> + EV_KEY, KEY_RIGHTALT,
> + EV_KEY, KEY_HOME,
> + EV_KEY, KEY_UP,
> + EV_KEY, KEY_PAGEUP,
> + EV_KEY, KEY_LEFT,
> + EV_KEY, KEY_RIGHT,
> + EV_KEY, KEY_END,
> + EV_KEY, KEY_DOWN,
> + EV_KEY, KEY_PAGEDOWN,
> + EV_KEY, KEY_INSERT,
> + EV_KEY, KEY_DELETE,
> + EV_KEY, KEY_PAUSE,
> + EV_KEY, KEY_LEFTMETA,
> + EV_KEY, KEY_RIGHTMETA,
> + EV_KEY, KEY_COMPOSE,
> +
> + EV_LED, LED_NUML,
> + EV_LED, LED_CAPSL,
> + EV_LED, LED_SCROLLL,
> + EV_LED, LED_COMPOSE,
> + EV_LED, LED_KANA,
> + -1, -1,
> +};
> +
> +struct litest_test_device litest_yubikey_device = {
> + .type = LITEST_YUBIKEY,
> + .features = LITEST_KEYS,
> + .shortname = "yubikey",
> + .setup = litest_yubikey_setup,
> + .interface = NULL,
> +
> + .name = "Yubico Yubico Yubikey II",
> + .id = &input_id,
> + .events = events,
> + .absinfo = NULL,
> +};
> diff --git a/test/litest.c b/test/litest.c
> index 2d31c7b..0901e2d 100644
> --- a/test/litest.c
> +++ b/test/litest.c
> @@ -376,6 +376,8 @@ extern struct litest_test_device litest_anker_mouse_kbd_device;
> extern struct litest_test_device litest_waltop_tablet_device;
> extern struct litest_test_device litest_huion_tablet_device;
> extern struct litest_test_device litest_cyborg_rat_device;
> +extern struct litest_test_device litest_yubikey_device;
> +extern struct litest_test_device litest_synaptics_i2c_device;
>
> struct litest_test_device* devices[] = {
> &litest_synaptics_clickpad_device,
> @@ -418,6 +420,8 @@ struct litest_test_device* devices[] = {
> &litest_waltop_tablet_device,
> &litest_huion_tablet_device,
> &litest_cyborg_rat_device,
> + &litest_yubikey_device,
> + &litest_synaptics_i2c_device,
> NULL,
> };
>
> diff --git a/test/litest.h b/test/litest.h
> index bd9b903..2976394 100644
> --- a/test/litest.h
> +++ b/test/litest.h
> @@ -193,6 +193,8 @@ enum litest_device_type {
> LITEST_WALTOP = -39,
> LITEST_HUION_TABLET = -40,
> LITEST_CYBORG_RAT = -41,
> + LITEST_YUBIKEY = -42,
> + LITEST_SYNAPTICS_I2C = -43,
> };
>
> enum litest_device_feature {
> diff --git a/test/touchpad.c b/test/touchpad.c
> index 0d3aa03..1c6cdf8 100644
> --- a/test/touchpad.c
> +++ b/test/touchpad.c
> @@ -2336,6 +2336,107 @@ START_TEST(touchpad_dwt)
> }
> END_TEST
>
> +START_TEST(touchpad_dwt_update_keyboard)
> +{
> + struct litest_device *touchpad = litest_current_device();
> + struct litest_device *keyboard, *yubikey;
> + struct libinput *li = touchpad->libinput;
> +
> + if (!has_disable_while_typing(touchpad))
> + return;
> +
> + litest_disable_tap(touchpad->libinput_device);
> +
> + /* Yubikey is initialized first */
> + yubikey = litest_add_device(li, LITEST_YUBIKEY);
> + litest_drain_events(li);
> +
> + keyboard = dwt_init_paired_keyboard(li, touchpad);
> + litest_drain_events(li);
> +
> + litest_keyboard_key(keyboard, KEY_A, true);
> + litest_keyboard_key(keyboard, KEY_A, false);
> + libinput_dispatch(li);
> + litest_touch_down(touchpad, 0, 50, 50);
> + litest_touch_move_to(touchpad, 0, 50, 50, 70, 50, 10, 1);
> + litest_touch_up(touchpad, 0);
> +
> + litest_assert_only_typed_events(li, LIBINPUT_EVENT_KEYBOARD_KEY);
> +
> + /* within timeout - no events */
> + litest_touch_down(touchpad, 0, 50, 50);
> + litest_touch_move_to(touchpad, 0, 50, 50, 70, 50, 10, 1);
> + litest_touch_up(touchpad, 0);
> + litest_assert_empty_queue(li);
> +
> + litest_timeout_dwt_short();
> + libinput_dispatch(li);
> +
> + /* after timeout - motion events*/
> + litest_touch_down(touchpad, 0, 50, 50);
> + litest_touch_move_to(touchpad, 0, 50, 50, 70, 50, 10, 1);
> + litest_touch_up(touchpad, 0);
> +
> + litest_assert_only_typed_events(li, LIBINPUT_EVENT_POINTER_MOTION);
> +
> + litest_delete_device(keyboard);
> + litest_delete_device(yubikey);
> +}
> +END_TEST
> +
> +START_TEST(touchpad_dwt_update_keyboard_with_state)
> +{
> + struct litest_device *touchpad = litest_current_device();
> + struct litest_device *keyboard, *yubikey;
> + struct libinput *li = touchpad->libinput;
> +
> + if (!has_disable_while_typing(touchpad))
> + return;
> +
> + litest_disable_tap(touchpad->libinput_device);
> +
> + /* Yubikey is initialized first */
> + yubikey = litest_add_device(li, LITEST_YUBIKEY);
> + litest_drain_events(li);
> +
> + litest_keyboard_key(yubikey, KEY_A, true);
> + litest_keyboard_key(yubikey, KEY_A, false);
> + litest_keyboard_key(yubikey, KEY_A, true);
> + litest_assert_only_typed_events(li, LIBINPUT_EVENT_KEYBOARD_KEY);
> +
> + litest_touch_down(touchpad, 0, 50, 50);
> + litest_touch_move_to(touchpad, 0, 50, 50, 70, 50, 10, 1);
> + litest_touch_up(touchpad, 0);
> + litest_assert_empty_queue(li);
> +
> + litest_keyboard_key(yubikey, KEY_A, false);
> + litest_keyboard_key(yubikey, KEY_A, true);
> + litest_drain_events(li);
> +
> + /* yubikey still has A down */
> + keyboard = dwt_init_paired_keyboard(li, touchpad);
> + litest_drain_events(li);
> +
> + /* expected repairing, dwt should be disabled */
> + litest_touch_down(touchpad, 0, 50, 50);
> + litest_touch_move_to(touchpad, 0, 50, 50, 70, 50, 10, 1);
> + litest_touch_up(touchpad, 0);
> + litest_assert_only_typed_events(li, LIBINPUT_EVENT_POINTER_MOTION);
> +
> + /* release remaining key */
> + litest_keyboard_key(yubikey, KEY_A, false);
> + litest_assert_only_typed_events(li, LIBINPUT_EVENT_KEYBOARD_KEY);
> +
> + litest_touch_down(touchpad, 0, 50, 50);
> + litest_touch_move_to(touchpad, 0, 50, 50, 70, 50, 10, 1);
> + litest_touch_up(touchpad, 0);
> + litest_assert_only_typed_events(li, LIBINPUT_EVENT_POINTER_MOTION);
> +
> + litest_delete_device(keyboard);
> + litest_delete_device(yubikey);
> +}
> +END_TEST
> +
> START_TEST(touchpad_dwt_enable_touch)
> {
> struct litest_device *touchpad = litest_current_device();
> @@ -3805,6 +3906,8 @@ litest_setup_tests(void)
> litest_add_ranged("touchpad:state", touchpad_initial_state, LITEST_TOUCHPAD, LITEST_ANY, &axis_range);
>
> litest_add("touchpad:dwt", touchpad_dwt, LITEST_TOUCHPAD, LITEST_ANY);
> + litest_add_for_device("touchpad:dwt", touchpad_dwt_update_keyboard, LITEST_SYNAPTICS_I2C);
> + litest_add_for_device("touchpad:dwt", touchpad_dwt_update_keyboard_with_state, LITEST_SYNAPTICS_I2C);
> litest_add("touchpad:dwt", touchpad_dwt_enable_touch, LITEST_TOUCHPAD, LITEST_ANY);
> litest_add("touchpad:dwt", touchpad_dwt_touch_hold, LITEST_TOUCHPAD, LITEST_ANY);
> litest_add("touchpad:dwt", touchpad_dwt_key_hold, LITEST_TOUCHPAD, LITEST_ANY);
>
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