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-rw-r--r--drivers/hid/Kconfig11
-rw-r--r--drivers/hid/hid-apple.c2
-rw-r--r--drivers/hid/hid-asus.c2
-rw-r--r--drivers/hid/hid-bigbenff.c2
-rw-r--r--drivers/hid/hid-chicony.c8
-rw-r--r--drivers/hid/hid-corsair.c7
-rw-r--r--drivers/hid/hid-debug.c5
-rw-r--r--drivers/hid/hid-elan.c2
-rw-r--r--drivers/hid/hid-elo.c3
-rw-r--r--drivers/hid/hid-google-hammer.c2
-rw-r--r--drivers/hid/hid-holtek-kbd.c9
-rw-r--r--drivers/hid/hid-holtek-mouse.c24
-rw-r--r--drivers/hid/hid-ids.h3
-rw-r--r--drivers/hid/hid-input.c9
-rw-r--r--drivers/hid/hid-lg.c10
-rw-r--r--drivers/hid/hid-logitech-dj.c3
-rw-r--r--drivers/hid/hid-prodikeys.c10
-rw-r--r--drivers/hid/hid-quirks.c2
-rw-r--r--drivers/hid/hid-roccat-arvo.c3
-rw-r--r--drivers/hid/hid-roccat-isku.c3
-rw-r--r--drivers/hid/hid-roccat-kone.c3
-rw-r--r--drivers/hid/hid-roccat-koneplus.c3
-rw-r--r--drivers/hid/hid-roccat-konepure.c3
-rw-r--r--drivers/hid/hid-roccat-kovaplus.c3
-rw-r--r--drivers/hid/hid-roccat-lua.c3
-rw-r--r--drivers/hid/hid-roccat-pyra.c3
-rw-r--r--drivers/hid/hid-roccat-ryos.c3
-rw-r--r--drivers/hid/hid-roccat-savu.c3
-rw-r--r--drivers/hid/hid-samsung.c3
-rw-r--r--drivers/hid/hid-u2fzero.c2
-rw-r--r--drivers/hid/hid-uclogic-core.c3
-rw-r--r--drivers/hid/hid-uclogic-params.c34
-rw-r--r--drivers/hid/i2c-hid/i2c-hid-core.c32
-rw-r--r--drivers/hid/intel-ish-hid/ishtp-fw-loader.c29
-rw-r--r--drivers/hid/uhid.c29
-rw-r--r--drivers/hid/wacom_sys.c19
-rw-r--r--drivers/hid/wacom_wac.c43
-rw-r--r--drivers/hid/wacom_wac.h1
38 files changed, 260 insertions, 79 deletions
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 1ecb5124421c..5169a38ee47a 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -149,6 +149,7 @@ config HID_APPLEIR
config HID_ASUS
tristate "Asus"
+ depends on USB_HID
depends on LEDS_CLASS
depends on ASUS_WMI || ASUS_WMI=n
select POWER_SUPPLY
@@ -206,14 +207,14 @@ config HID_CHERRY
config HID_CHICONY
tristate "Chicony devices"
- depends on HID
+ depends on USB_HID
default !EXPERT
---help---
Support for Chicony Tactical pad and special keys on Chicony keyboards.
config HID_CORSAIR
tristate "Corsair devices"
- depends on HID && USB && LEDS_CLASS
+ depends on USB_HID && LEDS_CLASS
---help---
Support for Corsair devices that are not fully compliant with the
HID standard.
@@ -244,7 +245,7 @@ config HID_MACALLY
config HID_PRODIKEYS
tristate "Prodikeys PC-MIDI Keyboard support"
- depends on HID && SND
+ depends on USB_HID && SND
select SND_RAWMIDI
---help---
Support for Prodikeys PC-MIDI Keyboard device support.
@@ -524,7 +525,7 @@ config HID_LENOVO
config HID_LOGITECH
tristate "Logitech devices"
- depends on HID
+ depends on USB_HID
default !EXPERT
---help---
Support for Logitech devices that are not fully compliant with HID standard.
@@ -871,7 +872,7 @@ config HID_SAITEK
config HID_SAMSUNG
tristate "Samsung InfraRed remote control or keyboards"
- depends on HID
+ depends on USB_HID
---help---
Support for Samsung InfraRed remote control or keyboards.
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index 07df64daf7da..efce31d035ef 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -389,7 +389,7 @@ static int apple_input_configured(struct hid_device *hdev,
if ((asc->quirks & APPLE_HAS_FN) && !asc->fn_found) {
hid_info(hdev, "Fn key not found (Apple Wireless Keyboard clone?), disabling Fn key handling\n");
- asc->quirks = 0;
+ asc->quirks &= ~APPLE_HAS_FN;
}
return 0;
diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
index e6e4c841fb06..7f84ed0afdfe 100644
--- a/drivers/hid/hid-asus.c
+++ b/drivers/hid/hid-asus.c
@@ -849,7 +849,7 @@ static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
drvdata->tp = &asus_i2c_tp;
- if (drvdata->quirks & QUIRK_T100_KEYBOARD) {
+ if ((drvdata->quirks & QUIRK_T100_KEYBOARD) && hid_is_usb(hdev)) {
struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) {
diff --git a/drivers/hid/hid-bigbenff.c b/drivers/hid/hid-bigbenff.c
index db6da21ade06..74ad8bf98bfd 100644
--- a/drivers/hid/hid-bigbenff.c
+++ b/drivers/hid/hid-bigbenff.c
@@ -191,7 +191,7 @@ static void bigben_worker(struct work_struct *work)
struct bigben_device, worker);
struct hid_field *report_field = bigben->report->field[0];
- if (bigben->removed)
+ if (bigben->removed || !report_field)
return;
if (bigben->work_led) {
diff --git a/drivers/hid/hid-chicony.c b/drivers/hid/hid-chicony.c
index 3f0ed6a95223..e19e2b597339 100644
--- a/drivers/hid/hid-chicony.c
+++ b/drivers/hid/hid-chicony.c
@@ -58,8 +58,12 @@ static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
static __u8 *ch_switch12_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
- struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
-
+ struct usb_interface *intf;
+
+ if (!hid_is_usb(hdev))
+ return rdesc;
+
+ intf = to_usb_interface(hdev->dev.parent);
if (intf->cur_altsetting->desc.bInterfaceNumber == 1) {
/* Change usage maximum and logical maximum from 0x7fff to
* 0x2fff, so they don't exceed HID_MAX_USAGES */
diff --git a/drivers/hid/hid-corsair.c b/drivers/hid/hid-corsair.c
index 902a60e249ed..8c895c820b67 100644
--- a/drivers/hid/hid-corsair.c
+++ b/drivers/hid/hid-corsair.c
@@ -553,7 +553,12 @@ static int corsair_probe(struct hid_device *dev, const struct hid_device_id *id)
int ret;
unsigned long quirks = id->driver_data;
struct corsair_drvdata *drvdata;
- struct usb_interface *usbif = to_usb_interface(dev->dev.parent);
+ struct usb_interface *usbif;
+
+ if (!hid_is_usb(dev))
+ return -EINVAL;
+
+ usbif = to_usb_interface(dev->dev.parent);
drvdata = devm_kzalloc(&dev->dev, sizeof(struct corsair_drvdata),
GFP_KERNEL);
diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index 01135713e8f9..419d8dec7e49 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -823,7 +823,9 @@ static const char *keys[KEY_MAX + 1] = {
[KEY_F22] = "F22", [KEY_F23] = "F23",
[KEY_F24] = "F24", [KEY_PLAYCD] = "PlayCD",
[KEY_PAUSECD] = "PauseCD", [KEY_PROG3] = "Prog3",
- [KEY_PROG4] = "Prog4", [KEY_SUSPEND] = "Suspend",
+ [KEY_PROG4] = "Prog4",
+ [KEY_ALL_APPLICATIONS] = "AllApplications",
+ [KEY_SUSPEND] = "Suspend",
[KEY_CLOSE] = "Close", [KEY_PLAY] = "Play",
[KEY_FASTFORWARD] = "FastForward", [KEY_BASSBOOST] = "BassBoost",
[KEY_PRINT] = "Print", [KEY_HP] = "HP",
@@ -930,6 +932,7 @@ static const char *keys[KEY_MAX + 1] = {
[KEY_SCREENSAVER] = "ScreenSaver",
[KEY_VOICECOMMAND] = "VoiceCommand",
[KEY_EMOJI_PICKER] = "EmojiPicker",
+ [KEY_DICTATE] = "Dictate",
[KEY_BRIGHTNESS_MIN] = "BrightnessMin",
[KEY_BRIGHTNESS_MAX] = "BrightnessMax",
[KEY_BRIGHTNESS_AUTO] = "BrightnessAuto",
diff --git a/drivers/hid/hid-elan.c b/drivers/hid/hid-elan.c
index dae193749d44..0e8f424025fe 100644
--- a/drivers/hid/hid-elan.c
+++ b/drivers/hid/hid-elan.c
@@ -50,7 +50,7 @@ struct elan_drvdata {
static int is_not_elan_touchpad(struct hid_device *hdev)
{
- if (hdev->bus == BUS_USB) {
+ if (hid_is_usb(hdev)) {
struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
return (intf->altsetting->desc.bInterfaceNumber !=
diff --git a/drivers/hid/hid-elo.c b/drivers/hid/hid-elo.c
index 0d22713a3874..2876cb6a7dca 100644
--- a/drivers/hid/hid-elo.c
+++ b/drivers/hid/hid-elo.c
@@ -229,6 +229,9 @@ static int elo_probe(struct hid_device *hdev, const struct hid_device_id *id)
struct elo_priv *priv;
int ret;
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
diff --git a/drivers/hid/hid-google-hammer.c b/drivers/hid/hid-google-hammer.c
index 505ed76a830e..b6947d757347 100644
--- a/drivers/hid/hid-google-hammer.c
+++ b/drivers/hid/hid-google-hammer.c
@@ -470,6 +470,8 @@ static const struct hid_device_id hammer_devices[] = {
{ HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_DON) },
{ HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
+ USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_EEL) },
+ { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_HAMMER) },
{ HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
USB_VENDOR_ID_GOOGLE, USB_DEVICE_ID_GOOGLE_MAGNEMITE) },
diff --git a/drivers/hid/hid-holtek-kbd.c b/drivers/hid/hid-holtek-kbd.c
index 0a38e8e9bc78..403506b9697e 100644
--- a/drivers/hid/hid-holtek-kbd.c
+++ b/drivers/hid/hid-holtek-kbd.c
@@ -140,12 +140,17 @@ static int holtek_kbd_input_event(struct input_dev *dev, unsigned int type,
static int holtek_kbd_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
- struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
- int ret = hid_parse(hdev);
+ struct usb_interface *intf;
+ int ret;
+
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+ ret = hid_parse(hdev);
if (!ret)
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+ intf = to_usb_interface(hdev->dev.parent);
if (!ret && intf->cur_altsetting->desc.bInterfaceNumber == 1) {
struct hid_input *hidinput;
list_for_each_entry(hidinput, &hdev->inputs, list) {
diff --git a/drivers/hid/hid-holtek-mouse.c b/drivers/hid/hid-holtek-mouse.c
index 195b735b001d..7c907939bfae 100644
--- a/drivers/hid/hid-holtek-mouse.c
+++ b/drivers/hid/hid-holtek-mouse.c
@@ -62,6 +62,29 @@ static __u8 *holtek_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc,
return rdesc;
}
+static int holtek_mouse_probe(struct hid_device *hdev,
+ const struct hid_device_id *id)
+{
+ int ret;
+
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
+ ret = hid_parse(hdev);
+ if (ret) {
+ hid_err(hdev, "hid parse failed: %d\n", ret);
+ return ret;
+ }
+
+ ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+ if (ret) {
+ hid_err(hdev, "hw start failed: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
static const struct hid_device_id holtek_mouse_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT,
USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
@@ -83,6 +106,7 @@ static struct hid_driver holtek_mouse_driver = {
.name = "holtek_mouse",
.id_table = holtek_mouse_devices,
.report_fixup = holtek_mouse_report_fixup,
+ .probe = holtek_mouse_probe,
};
module_hid_driver(holtek_mouse_driver);
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 6ed6158d4f73..c587a77d493c 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -489,6 +489,7 @@
#define USB_DEVICE_ID_GOOGLE_MAGNEMITE 0x503d
#define USB_DEVICE_ID_GOOGLE_MOONBALL 0x5044
#define USB_DEVICE_ID_GOOGLE_DON 0x5050
+#define USB_DEVICE_ID_GOOGLE_EEL 0x5057
#define USB_VENDOR_ID_GOTOP 0x08f2
#define USB_DEVICE_ID_SUPER_Q2 0x007f
@@ -858,6 +859,7 @@
#define USB_DEVICE_ID_MS_TOUCH_COVER_2 0x07a7
#define USB_DEVICE_ID_MS_TYPE_COVER_2 0x07a9
#define USB_DEVICE_ID_MS_POWER_COVER 0x07da
+#define USB_DEVICE_ID_MS_SURFACE3_COVER 0x07de
#define USB_DEVICE_ID_MS_XBOX_ONE_S_CONTROLLER 0x02fd
#define USB_DEVICE_ID_MS_PIXART_MOUSE 0x00cb
#define USB_DEVICE_ID_8BITDO_SN30_PRO_PLUS 0x02e0
@@ -1309,6 +1311,7 @@
#define USB_VENDOR_ID_UGTIZER 0x2179
#define USB_DEVICE_ID_UGTIZER_TABLET_GP0610 0x0053
#define USB_DEVICE_ID_UGTIZER_TABLET_GT5040 0x0077
+#define USB_DEVICE_ID_UGTIZER_TABLET_WP5540 0x0004
#define USB_VENDOR_ID_VIEWSONIC 0x0543
#define USB_DEVICE_ID_VIEWSONIC_PD1011 0xe621
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index ea4c97f5b073..d1ba6fafe960 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -956,6 +956,7 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
case 0x0cf: map_key_clear(KEY_VOICECOMMAND); break;
+ case 0x0d8: map_key_clear(KEY_DICTATE); break;
case 0x0d9: map_key_clear(KEY_EMOJI_PICKER); break;
case 0x0e0: map_abs_clear(ABS_VOLUME); break;
@@ -1047,6 +1048,8 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
case 0x29d: map_key_clear(KEY_KBD_LAYOUT_NEXT); break;
+ case 0x2a2: map_key_clear(KEY_ALL_APPLICATIONS); break;
+
case 0x2c7: map_key_clear(KEY_KBDINPUTASSIST_PREV); break;
case 0x2c8: map_key_clear(KEY_KBDINPUTASSIST_NEXT); break;
case 0x2c9: map_key_clear(KEY_KBDINPUTASSIST_PREVGROUP); break;
@@ -1288,6 +1291,12 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct
input = field->hidinput->input;
+ if (usage->type == EV_ABS &&
+ (((*quirks & HID_QUIRK_X_INVERT) && usage->code == ABS_X) ||
+ ((*quirks & HID_QUIRK_Y_INVERT) && usage->code == ABS_Y))) {
+ value = field->logical_maximum - value;
+ }
+
if (usage->hat_min < usage->hat_max || usage->hat_dir) {
int hat_dir = usage->hat_dir;
if (!hat_dir)
diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c
index 0dc7cdfc56f7..2c7e7c089bf9 100644
--- a/drivers/hid/hid-lg.c
+++ b/drivers/hid/hid-lg.c
@@ -769,12 +769,18 @@ static int lg_raw_event(struct hid_device *hdev, struct hid_report *report,
static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
- struct usb_interface *iface = to_usb_interface(hdev->dev.parent);
- __u8 iface_num = iface->cur_altsetting->desc.bInterfaceNumber;
+ struct usb_interface *iface;
+ __u8 iface_num;
unsigned int connect_mask = HID_CONNECT_DEFAULT;
struct lg_drv_data *drv_data;
int ret;
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
+ iface = to_usb_interface(hdev->dev.parent);
+ iface_num = iface->cur_altsetting->desc.bInterfaceNumber;
+
/* G29 only work with the 1st interface */
if ((hdev->product == USB_DEVICE_ID_LOGITECH_G29_WHEEL) &&
(iface_num != 0)) {
diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c
index b499ac37dc7b..a663cbb7b683 100644
--- a/drivers/hid/hid-logitech-dj.c
+++ b/drivers/hid/hid-logitech-dj.c
@@ -1000,6 +1000,7 @@ static void logi_hidpp_recv_queue_notif(struct hid_device *hdev,
workitem.reports_supported |= STD_KEYBOARD;
break;
case 0x0f:
+ case 0x11:
device_type = "eQUAD Lightspeed 1.2";
logi_hidpp_dev_conn_notif_equad(hdev, hidpp_report, &workitem);
workitem.reports_supported |= STD_KEYBOARD;
@@ -1686,7 +1687,7 @@ static int logi_dj_probe(struct hid_device *hdev,
case recvr_type_27mhz: no_dj_interfaces = 2; break;
case recvr_type_bluetooth: no_dj_interfaces = 2; break;
}
- if (hid_is_using_ll_driver(hdev, &usb_hid_driver)) {
+ if (hid_is_usb(hdev)) {
intf = to_usb_interface(hdev->dev.parent);
if (intf && intf->altsetting->desc.bInterfaceNumber >=
no_dj_interfaces) {
diff --git a/drivers/hid/hid-prodikeys.c b/drivers/hid/hid-prodikeys.c
index 2666af02d5c1..e4e9471d0f1e 100644
--- a/drivers/hid/hid-prodikeys.c
+++ b/drivers/hid/hid-prodikeys.c
@@ -798,12 +798,18 @@ static int pk_raw_event(struct hid_device *hdev, struct hid_report *report,
static int pk_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
- struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
- unsigned short ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
+ struct usb_interface *intf;
+ unsigned short ifnum;
unsigned long quirks = id->driver_data;
struct pk_device *pk;
struct pcmidi_snd *pm = NULL;
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
+ intf = to_usb_interface(hdev->dev.parent);
+ ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
+
pk = kzalloc(sizeof(*pk), GFP_KERNEL);
if (pk == NULL) {
hid_err(hdev, "can't alloc descriptor\n");
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index efc9d0d28170..45eba224cdc7 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -124,6 +124,7 @@ static const struct hid_device_id hid_quirks[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_MCS, USB_DEVICE_ID_MCS_GAMEPADBLOCK), HID_QUIRK_MULTI_INPUT },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PIXART_MOUSE), HID_QUIRK_ALWAYS_POLL },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER), HID_QUIRK_NO_INIT_REPORTS },
+ { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_SURFACE3_COVER), HID_QUIRK_NO_INIT_REPORTS },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_SURFACE_PRO_2), HID_QUIRK_NO_INIT_REPORTS },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TOUCH_COVER_2), HID_QUIRK_NO_INIT_REPORTS },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_2), HID_QUIRK_NO_INIT_REPORTS },
@@ -186,6 +187,7 @@ static const struct hid_device_id hid_quirks[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD), HID_QUIRK_NOGET },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_KNA5), HID_QUIRK_MULTI_INPUT },
{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWA60), HID_QUIRK_MULTI_INPUT },
+ { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_WP5540), HID_QUIRK_MULTI_INPUT },
{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH), HID_QUIRK_MULTI_INPUT },
{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH), HID_QUIRK_MULTI_INPUT },
{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET), HID_QUIRK_MULTI_INPUT },
diff --git a/drivers/hid/hid-roccat-arvo.c b/drivers/hid/hid-roccat-arvo.c
index ffcd444ae2ba..4b18e1a4fc7a 100644
--- a/drivers/hid/hid-roccat-arvo.c
+++ b/drivers/hid/hid-roccat-arvo.c
@@ -344,6 +344,9 @@ static int arvo_probe(struct hid_device *hdev,
{
int retval;
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
retval = hid_parse(hdev);
if (retval) {
hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-roccat-isku.c b/drivers/hid/hid-roccat-isku.c
index ce5f22519956..e95d59cd8d07 100644
--- a/drivers/hid/hid-roccat-isku.c
+++ b/drivers/hid/hid-roccat-isku.c
@@ -324,6 +324,9 @@ static int isku_probe(struct hid_device *hdev,
{
int retval;
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
retval = hid_parse(hdev);
if (retval) {
hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c
index 509b9bb1362c..6cf59b5e5484 100644
--- a/drivers/hid/hid-roccat-kone.c
+++ b/drivers/hid/hid-roccat-kone.c
@@ -749,6 +749,9 @@ static int kone_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int retval;
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
retval = hid_parse(hdev);
if (retval) {
hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c
index 0316edf8c5bb..1896c69ea512 100644
--- a/drivers/hid/hid-roccat-koneplus.c
+++ b/drivers/hid/hid-roccat-koneplus.c
@@ -431,6 +431,9 @@ static int koneplus_probe(struct hid_device *hdev,
{
int retval;
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
retval = hid_parse(hdev);
if (retval) {
hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-roccat-konepure.c b/drivers/hid/hid-roccat-konepure.c
index 5248b3c7cf78..cf8eeb33a125 100644
--- a/drivers/hid/hid-roccat-konepure.c
+++ b/drivers/hid/hid-roccat-konepure.c
@@ -133,6 +133,9 @@ static int konepure_probe(struct hid_device *hdev,
{
int retval;
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
retval = hid_parse(hdev);
if (retval) {
hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-roccat-kovaplus.c b/drivers/hid/hid-roccat-kovaplus.c
index 960012881570..6fb9b9563769 100644
--- a/drivers/hid/hid-roccat-kovaplus.c
+++ b/drivers/hid/hid-roccat-kovaplus.c
@@ -501,6 +501,9 @@ static int kovaplus_probe(struct hid_device *hdev,
{
int retval;
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
retval = hid_parse(hdev);
if (retval) {
hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-roccat-lua.c b/drivers/hid/hid-roccat-lua.c
index 4a88a76d5c62..d5ddf0d68346 100644
--- a/drivers/hid/hid-roccat-lua.c
+++ b/drivers/hid/hid-roccat-lua.c
@@ -160,6 +160,9 @@ static int lua_probe(struct hid_device *hdev,
{
int retval;
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
retval = hid_parse(hdev);
if (retval) {
hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c
index 989927defe8d..4fcc8e7d276f 100644
--- a/drivers/hid/hid-roccat-pyra.c
+++ b/drivers/hid/hid-roccat-pyra.c
@@ -449,6 +449,9 @@ static int pyra_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int retval;
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
retval = hid_parse(hdev);
if (retval) {
hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-roccat-ryos.c b/drivers/hid/hid-roccat-ryos.c
index 3956a6c9c521..5bf1971a2b14 100644
--- a/drivers/hid/hid-roccat-ryos.c
+++ b/drivers/hid/hid-roccat-ryos.c
@@ -141,6 +141,9 @@ static int ryos_probe(struct hid_device *hdev,
{
int retval;
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
retval = hid_parse(hdev);
if (retval) {
hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-roccat-savu.c b/drivers/hid/hid-roccat-savu.c
index 818701f7a028..a784bb4ee651 100644
--- a/drivers/hid/hid-roccat-savu.c
+++ b/drivers/hid/hid-roccat-savu.c
@@ -113,6 +113,9 @@ static int savu_probe(struct hid_device *hdev,
{
int retval;
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
retval = hid_parse(hdev);
if (retval) {
hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-samsung.c b/drivers/hid/hid-samsung.c
index 2e1c31156eca..cf5992e97094 100644
--- a/drivers/hid/hid-samsung.c
+++ b/drivers/hid/hid-samsung.c
@@ -152,6 +152,9 @@ static int samsung_probe(struct hid_device *hdev,
int ret;
unsigned int cmask = HID_CONNECT_DEFAULT;
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "parse failed\n");
diff --git a/drivers/hid/hid-u2fzero.c b/drivers/hid/hid-u2fzero.c
index 67ae2b18e33a..ac3fd870673d 100644
--- a/drivers/hid/hid-u2fzero.c
+++ b/drivers/hid/hid-u2fzero.c
@@ -290,7 +290,7 @@ static int u2fzero_probe(struct hid_device *hdev,
unsigned int minor;
int ret;
- if (!hid_is_using_ll_driver(hdev, &usb_hid_driver))
+ if (!hid_is_usb(hdev))
return -EINVAL;
dev = devm_kzalloc(&hdev->dev, sizeof(*dev), GFP_KERNEL);
diff --git a/drivers/hid/hid-uclogic-core.c b/drivers/hid/hid-uclogic-core.c
index 8e9c9e646cb7..4edb24195704 100644
--- a/drivers/hid/hid-uclogic-core.c
+++ b/drivers/hid/hid-uclogic-core.c
@@ -164,6 +164,9 @@ static int uclogic_probe(struct hid_device *hdev,
struct uclogic_drvdata *drvdata = NULL;
bool params_initialized = false;
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
/*
* libinput requires the pad interface to be on a different node
* than the pen, so use QUIRK_MULTI_INPUT for all tablets.
diff --git a/drivers/hid/hid-uclogic-params.c b/drivers/hid/hid-uclogic-params.c
index e80c812f44a7..191aba9f6b49 100644
--- a/drivers/hid/hid-uclogic-params.c
+++ b/drivers/hid/hid-uclogic-params.c
@@ -65,7 +65,7 @@ static int uclogic_params_get_str_desc(__u8 **pbuf, struct hid_device *hdev,
__u8 idx, size_t len)
{
int rc;
- struct usb_device *udev = hid_to_usb_dev(hdev);
+ struct usb_device *udev;
__u8 *buf = NULL;
/* Check arguments */
@@ -74,6 +74,8 @@ static int uclogic_params_get_str_desc(__u8 **pbuf, struct hid_device *hdev,
goto cleanup;
}
+ udev = hid_to_usb_dev(hdev);
+
buf = kmalloc(len, GFP_KERNEL);
if (buf == NULL) {
rc = -ENOMEM;
@@ -449,7 +451,7 @@ static int uclogic_params_frame_init_v1_buttonpad(
{
int rc;
bool found = false;
- struct usb_device *usb_dev = hid_to_usb_dev(hdev);
+ struct usb_device *usb_dev;
char *str_buf = NULL;
const size_t str_len = 16;
@@ -459,6 +461,8 @@ static int uclogic_params_frame_init_v1_buttonpad(
goto cleanup;
}
+ usb_dev = hid_to_usb_dev(hdev);
+
/*
* Enable generic button mode
*/
@@ -705,9 +709,9 @@ static int uclogic_params_huion_init(struct uclogic_params *params,
struct hid_device *hdev)
{
int rc;
- struct usb_device *udev = hid_to_usb_dev(hdev);
- struct usb_interface *iface = to_usb_interface(hdev->dev.parent);
- __u8 bInterfaceNumber = iface->cur_altsetting->desc.bInterfaceNumber;
+ struct usb_device *udev;
+ struct usb_interface *iface;
+ __u8 bInterfaceNumber;
bool found;
/* The resulting parameters (noop) */
struct uclogic_params p = {0, };
@@ -721,6 +725,10 @@ static int uclogic_params_huion_init(struct uclogic_params *params,
goto cleanup;
}
+ udev = hid_to_usb_dev(hdev);
+ iface = to_usb_interface(hdev->dev.parent);
+ bInterfaceNumber = iface->cur_altsetting->desc.bInterfaceNumber;
+
/* If it's not a pen interface */
if (bInterfaceNumber != 0) {
/* TODO: Consider marking the interface invalid */
@@ -832,21 +840,25 @@ int uclogic_params_init(struct uclogic_params *params,
struct hid_device *hdev)
{
int rc;
- struct usb_device *udev = hid_to_usb_dev(hdev);
- __u8 bNumInterfaces = udev->config->desc.bNumInterfaces;
- struct usb_interface *iface = to_usb_interface(hdev->dev.parent);
- __u8 bInterfaceNumber = iface->cur_altsetting->desc.bInterfaceNumber;
+ struct usb_device *udev;
+ __u8 bNumInterfaces;
+ struct usb_interface *iface;
+ __u8 bInterfaceNumber;
bool found;
/* The resulting parameters (noop) */
struct uclogic_params p = {0, };
/* Check arguments */
- if (params == NULL || hdev == NULL ||
- !hid_is_using_ll_driver(hdev, &usb_hid_driver)) {
+ if (params == NULL || hdev == NULL || !hid_is_usb(hdev)) {
rc = -EINVAL;
goto cleanup;
}
+ udev = hid_to_usb_dev(hdev);
+ bNumInterfaces = udev->config->desc.bNumInterfaces;
+ iface = to_usb_interface(hdev->dev.parent);
+ bInterfaceNumber = iface->cur_altsetting->desc.bInterfaceNumber;
+
/*
* Set replacement report descriptor if the original matches the
* specified size. Otherwise keep interface unchanged.
diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c
index ac076ac73de5..1547b0ec6a11 100644
--- a/drivers/hid/i2c-hid/i2c-hid-core.c
+++ b/drivers/hid/i2c-hid/i2c-hid-core.c
@@ -622,6 +622,17 @@ static int i2c_hid_get_raw_report(struct hid_device *hid,
if (report_type == HID_OUTPUT_REPORT)
return -EINVAL;
+ /*
+ * In case of unnumbered reports the response from the device will
+ * not have the report ID that the upper layers expect, so we need
+ * to stash it the buffer ourselves and adjust the data size.
+ */
+ if (!report_number) {
+ buf[0] = 0;
+ buf++;
+ count--;
+ }
+
/* +2 bytes to include the size of the reply in the query buffer */
ask_count = min(count + 2, (size_t)ihid->bufsize);
@@ -643,6 +654,9 @@ static int i2c_hid_get_raw_report(struct hid_device *hid,
count = min(count, ret_count - 2);
memcpy(buf, ihid->rawbuf + 2, count);
+ if (!report_number)
+ count++;
+
return count;
}
@@ -659,17 +673,19 @@ static int i2c_hid_output_raw_report(struct hid_device *hid, __u8 *buf,
mutex_lock(&ihid->reset_lock);
- if (report_id) {
- buf++;
- count--;
- }
-
+ /*
+ * Note that both numbered and unnumbered reports passed here
+ * are supposed to have report ID stored in the 1st byte of the
+ * buffer, so we strip it off unconditionally before passing payload
+ * to i2c_hid_set_or_send_report which takes care of encoding
+ * everything properly.
+ */
ret = i2c_hid_set_or_send_report(client,
report_type == HID_FEATURE_REPORT ? 0x03 : 0x02,
- report_id, buf, count, use_data);
+ report_id, buf + 1, count - 1, use_data);
- if (report_id && ret >= 0)
- ret++; /* add report_id to the number of transfered bytes */
+ if (ret >= 0)
+ ret++; /* add report_id to the number of transferred bytes */
mutex_unlock(&ihid->reset_lock);
diff --git a/drivers/hid/intel-ish-hid/ishtp-fw-loader.c b/drivers/hid/intel-ish-hid/ishtp-fw-loader.c
index 6cf59fd26ad7..b6d6d119035c 100644
--- a/drivers/hid/intel-ish-hid/ishtp-fw-loader.c
+++ b/drivers/hid/intel-ish-hid/ishtp-fw-loader.c
@@ -656,21 +656,12 @@ static int ish_fw_xfer_direct_dma(struct ishtp_cl_data *client_data,
*/
payload_max_size &= ~(L1_CACHE_BYTES - 1);
- dma_buf = kmalloc(payload_max_size, GFP_KERNEL | GFP_DMA32);
+ dma_buf = dma_alloc_coherent(devc, payload_max_size, &dma_buf_phy, GFP_KERNEL);
if (!dma_buf) {
client_data->flag_retry = true;
return -ENOMEM;
}
- dma_buf_phy = dma_map_single(devc, dma_buf, payload_max_size,
- DMA_TO_DEVICE);
- if (dma_mapping_error(devc, dma_buf_phy)) {
- dev_err(cl_data_to_dev(client_data), "DMA map failed\n");
- client_data->flag_retry = true;
- rv = -ENOMEM;
- goto end_err_dma_buf_release;
- }
-
ldr_xfer_dma_frag.fragment.hdr.command = LOADER_CMD_XFER_FRAGMENT;
ldr_xfer_dma_frag.fragment.xfer_mode = LOADER_XFER_MODE_DIRECT_DMA;
ldr_xfer_dma_frag.ddr_phys_addr = (u64)dma_buf_phy;
@@ -690,14 +681,7 @@ static int ish_fw_xfer_direct_dma(struct ishtp_cl_data *client_data,
ldr_xfer_dma_frag.fragment.size = fragment_size;
memcpy(dma_buf, &fw->data[fragment_offset], fragment_size);
- dma_sync_single_for_device(devc, dma_buf_phy,
- payload_max_size,
- DMA_TO_DEVICE);
-
- /*
- * Flush cache here because the dma_sync_single_for_device()
- * does not do for x86.
- */
+ /* Flush cache to be sure the data is in main memory. */
clflush_cache_range(dma_buf, payload_max_size);
dev_dbg(cl_data_to_dev(client_data),
@@ -720,15 +704,8 @@ static int ish_fw_xfer_direct_dma(struct ishtp_cl_data *client_data,
fragment_offset += fragment_size;
}
- dma_unmap_single(devc, dma_buf_phy, payload_max_size, DMA_TO_DEVICE);
- kfree(dma_buf);
- return 0;
-
end_err_resp_buf_release:
- /* Free ISH buffer if not done already, in error case */
- dma_unmap_single(devc, dma_buf_phy, payload_max_size, DMA_TO_DEVICE);
-end_err_dma_buf_release:
- kfree(dma_buf);
+ dma_free_coherent(devc, payload_max_size, dma_buf, dma_buf_phy);
return rv;
}
diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index 8fe3efcb8327..fc06d8bb42e0 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -28,11 +28,22 @@
struct uhid_device {
struct mutex devlock;
+
+ /* This flag tracks whether the HID device is usable for commands from
+ * userspace. The flag is already set before hid_add_device(), which
+ * runs in workqueue context, to allow hid_add_device() to communicate
+ * with userspace.
+ * However, if hid_add_device() fails, the flag is cleared without
+ * holding devlock.
+ * We guarantee that if @running changes from true to false while you're
+ * holding @devlock, it's still fine to access @hid.
+ */
bool running;
__u8 *rd_data;
uint rd_size;
+ /* When this is NULL, userspace may use UHID_CREATE/UHID_CREATE2. */
struct hid_device *hid;
struct uhid_event input_buf;
@@ -63,9 +74,18 @@ static void uhid_device_add_worker(struct work_struct *work)
if (ret) {
hid_err(uhid->hid, "Cannot register HID device: error %d\n", ret);
- hid_destroy_device(uhid->hid);
- uhid->hid = NULL;
+ /* We used to call hid_destroy_device() here, but that's really
+ * messy to get right because we have to coordinate with
+ * concurrent writes from userspace that might be in the middle
+ * of using uhid->hid.
+ * Just leave uhid->hid as-is for now, and clean it up when
+ * userspace tries to close or reinitialize the uhid instance.
+ *
+ * However, we do have to clear the ->running flag and do a
+ * wakeup to make sure userspace knows that the device is gone.
+ */
uhid->running = false;
+ wake_up_interruptible(&uhid->report_wait);
}
}
@@ -474,7 +494,7 @@ static int uhid_dev_create2(struct uhid_device *uhid,
void *rd_data;
int ret;
- if (uhid->running)
+ if (uhid->hid)
return -EALREADY;
rd_size = ev->u.create2.rd_size;
@@ -556,7 +576,7 @@ static int uhid_dev_create(struct uhid_device *uhid,
static int uhid_dev_destroy(struct uhid_device *uhid)
{
- if (!uhid->running)
+ if (!uhid->hid)
return -EINVAL;
uhid->running = false;
@@ -565,6 +585,7 @@ static int uhid_dev_destroy(struct uhid_device *uhid)
cancel_work_sync(&uhid->worker);
hid_destroy_device(uhid->hid);
+ uhid->hid = NULL;
kfree(uhid->rd_data);
return 0;
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 73dafa60080f..329bb1a46f90 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -726,7 +726,7 @@ static void wacom_retrieve_hid_descriptor(struct hid_device *hdev,
* Skip the query for this type and modify defaults based on
* interface number.
*/
- if (features->type == WIRELESS) {
+ if (features->type == WIRELESS && intf) {
if (intf->cur_altsetting->desc.bInterfaceNumber == 0)
features->device_type = WACOM_DEVICETYPE_WL_MONITOR;
else
@@ -2217,7 +2217,7 @@ static void wacom_update_name(struct wacom *wacom, const char *suffix)
if ((features->type == HID_GENERIC) && !strcmp("Wacom HID", features->name)) {
char *product_name = wacom->hdev->name;
- if (hid_is_using_ll_driver(wacom->hdev, &usb_hid_driver)) {
+ if (hid_is_usb(wacom->hdev)) {
struct usb_interface *intf = to_usb_interface(wacom->hdev->dev.parent);
struct usb_device *dev = interface_to_usbdev(intf);
product_name = dev->product;
@@ -2448,6 +2448,9 @@ static void wacom_wireless_work(struct work_struct *work)
wacom_destroy_battery(wacom);
+ if (!usbdev)
+ return;
+
/* Stylus interface */
hdev1 = usb_get_intfdata(usbdev->config->interface[1]);
wacom1 = hid_get_drvdata(hdev1);
@@ -2727,8 +2730,6 @@ static void wacom_mode_change_work(struct work_struct *work)
static int wacom_probe(struct hid_device *hdev,
const struct hid_device_id *id)
{
- struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
- struct usb_device *dev = interface_to_usbdev(intf);
struct wacom *wacom;
struct wacom_wac *wacom_wac;
struct wacom_features *features;
@@ -2763,8 +2764,14 @@ static int wacom_probe(struct hid_device *hdev,
wacom_wac->hid_data.inputmode = -1;
wacom_wac->mode_report = -1;
- wacom->usbdev = dev;
- wacom->intf = intf;
+ if (hid_is_usb(hdev)) {
+ struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
+ struct usb_device *dev = interface_to_usbdev(intf);
+
+ wacom->usbdev = dev;
+ wacom->intf = intf;
+ }
+
mutex_init(&wacom->lock);
INIT_DELAYED_WORK(&wacom->init_work, wacom_init_work);
INIT_WORK(&wacom->wireless_work, wacom_wireless_work);
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index f6be2e70a496..de69ea5f5a4b 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -2566,6 +2566,24 @@ static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
}
}
+static bool wacom_wac_slot_is_active(struct input_dev *dev, int key)
+{
+ struct input_mt *mt = dev->mt;
+ struct input_mt_slot *s;
+
+ if (!mt)
+ return false;
+
+ for (s = mt->slots; s != mt->slots + mt->num_slots; s++) {
+ if (s->key == key &&
+ input_mt_get_value(s, ABS_MT_TRACKING_ID) >= 0) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
static void wacom_wac_finger_event(struct hid_device *hdev,
struct hid_field *field, struct hid_usage *usage, __s32 value)
{
@@ -2578,6 +2596,9 @@ static void wacom_wac_finger_event(struct hid_device *hdev,
return;
switch (equivalent_usage) {
+ case HID_DG_CONFIDENCE:
+ wacom_wac->hid_data.confidence = value;
+ break;
case HID_GD_X:
wacom_wac->hid_data.x = value;
break;
@@ -2610,8 +2631,14 @@ static void wacom_wac_finger_event(struct hid_device *hdev,
}
if (usage->usage_index + 1 == field->report_count) {
- if (equivalent_usage == wacom_wac->hid_data.last_slot_field)
- wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
+ if (equivalent_usage == wacom_wac->hid_data.last_slot_field) {
+ bool touch_removed = wacom_wac_slot_is_active(wacom_wac->touch_input,
+ wacom_wac->hid_data.id) && !wacom_wac->hid_data.tipswitch;
+
+ if (wacom_wac->hid_data.confidence || touch_removed) {
+ wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
+ }
+ }
}
}
@@ -2625,6 +2652,12 @@ static void wacom_wac_finger_pre_report(struct hid_device *hdev,
wacom_wac->is_invalid_bt_frame = false;
+ hid_data->confidence = true;
+
+ hid_data->cc_report = 0;
+ hid_data->cc_index = -1;
+ hid_data->cc_value_index = -1;
+
for (i = 0; i < report->maxfield; i++) {
struct hid_field *field = report->field[i];
int j;
@@ -2658,11 +2691,14 @@ static void wacom_wac_finger_pre_report(struct hid_device *hdev,
hid_data->cc_index >= 0) {
struct hid_field *field = report->field[hid_data->cc_index];
int value = field->value[hid_data->cc_value_index];
- if (value)
+ if (value) {
hid_data->num_expected = value;
+ hid_data->num_received = 0;
+ }
}
else {
hid_data->num_expected = wacom_wac->features.touch_max;
+ hid_data->num_received = 0;
}
}
@@ -2686,6 +2722,7 @@ static void wacom_wac_finger_report(struct hid_device *hdev,
input_sync(input);
wacom_wac->hid_data.num_received = 0;
+ wacom_wac->hid_data.num_expected = 0;
/* keep touch state for pen event */
wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
diff --git a/drivers/hid/wacom_wac.h b/drivers/hid/wacom_wac.h
index e3835407e8d2..8dea7cb298e6 100644
--- a/drivers/hid/wacom_wac.h
+++ b/drivers/hid/wacom_wac.h
@@ -300,6 +300,7 @@ struct hid_data {
bool tipswitch;
bool barrelswitch;
bool barrelswitch2;
+ bool confidence;
int x;
int y;
int pressure;