Merge tag 'hid-for-linus-2026010801' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hidHEADmaster

Pull HID fixes from Jiri Kosina:

 - build fix for HID-BPF (Benjamin Tissoires)

 - fix for potential buffer overflow in i2c-hid (Kwok Kin Ming)

 - a couple of selftests/hid fixes (Peter Hutterer)

 - fix for handling pressure pads in hid-multitouch (Peter Hutterer)

 - fix for potential NULL pointer dereference in intel-thc-hid (Even Xu)

 - fix for interrupt delay control in intel-thc-hid (Even Xu)

 - fix finger release detection on some VTL-class touchpads (DaytonCL)

 - fix for correct enumeration on intel-ish-hid systems with no sensors
   (Zhang Lixu)

 - assorted device ID additions and device-specific quirks

* tag 'hid-for-linus-2026010801' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (21 commits)
  HID: logitech: add HID++ support for Logitech MX Anywhere 3S
  HID: Elecom: Add support for ELECOM M-XT3DRBK (018C)
  HID: quirks: work around VID/PID conflict for appledisplay
  HID: Apply quirk HID_QUIRK_ALWAYS_POLL to Edifier QR30 (2d99:a101)
  HID: i2c-hid: fix potential buffer overflow in i2c_hid_get_report()
  selftests/hid: add a test for the Digitizer/Button Type pressurepad
  selftests/hid: use a enum class for the different button types
  selftests/hid: require hidtools 0.12
  HID: multitouch: set INPUT_PROP_PRESSUREPAD based on Digitizer/Button Type
  HID: quirks: Add another Chicony HP 5MP Cameras to hid_ignore_list
  HID: Intel-thc-hid: Intel-thc: Add safety check for reading DMA buffer
  hid: intel-thc-hid: Select SGL_ALLOC
  selftests/hid: fix bpf compilations due to -fms-extensions
  HID: bpf: fix bpf compilation with -fms-extensions
  HID: Intel-thc-hid: Intel-thc: Fix wrong register reading
  HID: multitouch: add MT_QUIRK_STICKY_FINGERS to MT_CLS_VTL
  HID: intel-ish-hid: Reset enum_devices_done before enumeration
  HID: intel-ish-hid: Update ishtp bus match to support device ID table
  HID: Intel-thc-hid: Intel-thc: fix dma_unmap_sg() nents value
  HID: playstation: Center initial joystick axes to prevent spurious events
  ...

3 files changed, 64 insertions, 13 deletions

diff --git a/tools/testing/selftests/hid/Makefile b/tools/testing/selftests/hid/Makefile
index 2839d2612ce3..50ec9e0406ab 100644
--- a/tools/testing/selftests/hid/Makefile
+++ b/tools/testing/selftests/hid/Makefile
@@ -184,6 +184,8 @@ MENDIAN=$(if $(IS_LITTLE_ENDIAN),-mlittle-endian,-mbig-endian)
 
 CLANG_SYS_INCLUDES = $(call get_sys_includes,$(CLANG))
 BPF_CFLAGS = -g -Werror -D__TARGET_ARCH_$(SRCARCH) $(MENDIAN) 		\
+	     -Wno-microsoft-anon-tag                                    \
+	     -fms-extensions                                            \
 	     -I$(INCLUDE_DIR)
 
 CLANG_CFLAGS = $(CLANG_SYS_INCLUDES) \
diff --git a/tools/testing/selftests/hid/tests/conftest.py b/tools/testing/selftests/hid/tests/conftest.py
index 1361ec981db6..985a535324b2 100644
--- a/tools/testing/selftests/hid/tests/conftest.py
+++ b/tools/testing/selftests/hid/tests/conftest.py
@@ -5,6 +5,7 @@
 # Copyright (c) 2017 Benjamin Tissoires <benjamin.tissoires@gmail.com>
 # Copyright (c) 2017 Red Hat, Inc.
 
+from packaging.version import Version
 import platform
 import pytest
 import re
@@ -14,6 +15,19 @@ from .base import HIDTestUdevRule
 from pathlib import Path
 
 
+@pytest.fixture(autouse=True)
+def hidtools_version_check():
+    HIDTOOLS_VERSION = "0.12"
+    try:
+        import hidtools
+
+        version = hidtools.__version__  # type: ignore
+        if Version(version) < Version(HIDTOOLS_VERSION):
+            pytest.skip(reason=f"have hidtools {version}, require >={HIDTOOLS_VERSION}")
+    except Exception:
+        pytest.skip(reason=f"hidtools >={HIDTOOLS_VERSION} required")
+
+
 # See the comment in HIDTestUdevRule, this doesn't set up but it will clean
 # up once the last test exited.
 @pytest.fixture(autouse=True, scope="session")
diff --git a/tools/testing/selftests/hid/tests/test_multitouch.py b/tools/testing/selftests/hid/tests/test_multitouch.py
index ece0ba8e7d34..fa4fb2054bd4 100644
--- a/tools/testing/selftests/hid/tests/test_multitouch.py
+++ b/tools/testing/selftests/hid/tests/test_multitouch.py
@@ -9,6 +9,7 @@
 from . import base
 from hidtools.hut import HUT
 from hidtools.util import BusType
+import enum
 import libevdev
 import logging
 import pytest
@@ -232,11 +233,17 @@ class Digitizer(base.UHIDTestDevice):
         return 0
 
 
+class HIDButtonType(enum.IntEnum):
+    CLICKPAD = 0
+    PRESSUREPAD = 1
+    DISCRETE_BUTTONS = 2
+
+
 class PTP(Digitizer):
     def __init__(
         self,
         name,
-        type="Click Pad",
+        buttontype=HIDButtonType.CLICKPAD,
         rdesc_str=None,
         rdesc=None,
         application="Touch Pad",
@@ -244,11 +251,8 @@ class PTP(Digitizer):
         max_contacts=None,
         input_info=None,
     ):
-        self.type = type.lower().replace(" ", "")
-        if self.type == "clickpad":
-            self.buttontype = 0
-        else:  # pressurepad
-            self.buttontype = 1
+        self.buttontype = buttontype
+
         self.clickpad_state = False
         self.left_state = False
         self.right_state = False
@@ -975,15 +979,36 @@ class BaseTest:
             assert libevdev.InputEvent(libevdev.EV_ABS.ABS_MT_ORIENTATION, 90) in events
 
     class TestPTP(TestWin8Multitouch):
+        def test_buttontype(self):
+            """Check for the right ButtonType."""
+            uhdev = self.uhdev
+            assert uhdev is not None
+            evdev = uhdev.get_evdev()
+
+            # If libevdev.so is not yet compiled with INPUT_PROP_PRESSUREPAD
+            # python-libevdev won't have it either, let's fake it
+            if not getattr(libevdev, "INPUT_PROP_PRESSUREPAD", None):
+                prop = libevdev.InputProperty(name="INPUT_PROP_PRESSUREPAD", value=0x7)
+                libevdev.INPUT_PROP_PRESSUREPAD = prop
+                libevdev.props.append(prop)
+
+            if uhdev.buttontype == HIDButtonType.CLICKPAD:
+                assert libevdev.INPUT_PROP_BUTTONPAD in evdev.properties
+            elif uhdev.buttontype == HIDButtonType.PRESSUREPAD:
+                assert libevdev.INPUT_PROP_PRESSUREPAD in evdev.properties
+            else:
+                assert libevdev.INPUT_PROP_PRESSUREPAD not in evdev.properties
+                assert libevdev.INPUT_PROP_BUTTONPAD not in evdev.properties
+
         def test_ptp_buttons(self):
             """check for button reliability.
-            There are 2 types of touchpads: the click pads and the pressure pads.
-            Each should reliably report the BTN_LEFT events.
+            There are 3 types of touchpads: click pads + pressure pads and
+            those with discrete buttons. Each should reliably report the BTN_LEFT events.
             """
             uhdev = self.uhdev
             evdev = uhdev.get_evdev()
 
-            if uhdev.type == "clickpad":
+            if uhdev.buttontype in [HIDButtonType.CLICKPAD, HIDButtonType.PRESSUREPAD]:
                 r = uhdev.event(click=True)
                 events = uhdev.next_sync_events()
                 self.debug_reports(r, uhdev, events)
@@ -995,7 +1020,7 @@ class BaseTest:
                 self.debug_reports(r, uhdev, events)
                 assert libevdev.InputEvent(libevdev.EV_KEY.BTN_LEFT, 0) in events
                 assert evdev.value[libevdev.EV_KEY.BTN_LEFT] == 0
-            else:
+            elif uhdev.buttontype == HIDButtonType.DISCRETE_BUTTONS:
                 r = uhdev.event(left=True)
                 events = uhdev.next_sync_events()
                 self.debug_reports(r, uhdev, events)
@@ -1918,7 +1943,7 @@ class Testdell_044e_1220(BaseTest.TestPTP):
     def create_device(self):
         return PTP(
             "uhid test dell_044e_1220",
-            type="pressurepad",
+            buttontype=HIDButtonType.DISCRETE_BUTTONS,
             rdesc="05 01 09 02 a1 01 85 01 09 01 a1 00 05 09 19 01 29 03 15 00 25 01 75 01 95 03 81 02 95 05 81 01 05 01 09 30 09 31 15 81 25 7f 75 08 95 02 81 06 09 38 95 01 81 06 05 0c 0a 38 02 81 06 c0 c0 05 0d 09 05 a1 01 85 08 09 22 a1 02 15 00 25 01 09 47 09 42 95 02 75 01 81 02 95 01 75 03 25 05 09 51 81 02 75 01 95 03 81 03 05 01 15 00 26 af 04 75 10 55 0e 65 11 09 30 35 00 46 e8 03 95 01 81 02 26 7b 02 46 12 02 09 31 81 02 c0 55 0c 66 01 10 47 ff ff 00 00 27 ff ff 00 00 75 10 95 01 05 0d 09 56 81 02 09 54 25 05 95 01 75 08 81 02 05 09 19 01 29 03 25 01 75 01 95 03 81 02 95 05 81 03 05 0d 85 09 09 55 75 08 95 01 25 05 b1 02 06 00 ff 85 0a 09 c5 15 00 26 ff 00 75 08 96 00 01 b1 02 c0 06 01 ff 09 01 a1 01 85 03 09 01 15 00 26 ff 00 95 1b 81 02 85 04 09 02 95 50 81 02 85 05 09 03 95 07 b1 02 85 06 09 04 81 02 c0 06 02 ff 09 01 a1 01 85 07 09 02 95 86 75 08 b1 02 c0 05 0d 09 0e a1 01 85 0b 09 22 a1 02 09 52 15 00 25 0a 75 08 95 01 b1 02 c0 09 22 a1 00 85 0c 09 57 09 58 75 01 95 02 25 01 b1 02 95 06 b1 03 c0 c0",
         )
 
@@ -2018,7 +2043,7 @@ class Testelan_04f3_313a(BaseTest.TestPTP):
     def create_device(self):
         return PTP(
             "uhid test elan_04f3_313a",
-            type="touchpad",
+            buttontype=HIDButtonType.DISCRETE_BUTTONS,
             input_info=(BusType.I2C, 0x04F3, 0x313A),
             rdesc="05 01 09 02 a1 01 85 01 09 01 a1 00 05 09 19 01 29 03 15 00 25 01 75 01 95 03 81 02 95 05 81 03 05 01 09 30 09 31 15 81 25 7f 75 08 95 02 81 06 75 08 95 05 81 03 c0 06 00 ff 09 01 85 0e 09 c5 15 00 26 ff 00 75 08 95 04 b1 02 85 0a 09 c6 15 00 26 ff 00 75 08 95 04 b1 02 c0 06 00 ff 09 01 a1 01 85 5c 09 01 95 0b 75 08 81 06 85 0d 09 c5 15 00 26 ff 00 75 08 95 04 b1 02 85 0c 09 c6 96 80 03 75 08 b1 02 85 0b 09 c7 95 82 75 08 b1 02 c0 05 0d 09 05 a1 01 85 04 09 22 a1 02 15 00 25 01 09 47 09 42 95 02 75 01 81 02 05 09 09 02 09 03 15 00 25 01 75 01 95 02 81 02 05 0d 95 01 75 04 25 0f 09 51 81 02 05 01 15 00 26 d7 0e 75 10 55 0d 65 11 09 30 35 00 46 44 2f 95 01 81 02 46 12 16 26 eb 06 26 eb 06 09 31 81 02 05 0d 15 00 25 64 95 03 c0 55 0c 66 01 10 47 ff ff 00 00 27 ff ff 00 00 75 10 95 01 09 56 81 02 09 54 25 7f 95 01 75 08 81 02 25 01 75 01 95 08 81 03 09 c5 75 08 95 02 81 03 05 0d 85 02 09 55 09 59 75 04 95 02 25 0f b1 02 85 07 09 60 75 01 95 01 15 00 25 01 b1 02 95 0f b1 03 06 00 ff 06 00 ff 85 06 09 c5 15 00 26 ff 00 75 08 96 00 01 b1 02 c0 05 0d 09 0e a1 01 85 03 09 22 a1 00 09 52 15 00 25 0a 75 10 95 01 b1 02 c0 09 22 a1 00 85 05 09 57 09 58 75 01 95 02 25 01 b1 02 95 0e b1 03 c0 c0 05 01 09 02 a1 01 85 2a 09 01 a1 00 05 09 19 01 29 03 15 00 25 01 75 01 95 03 81 02 95 05 81 03 05 01 09 30 09 31 15 81 25 7f 35 81 45 7f 55 00 65 13 75 08 95 02 81 06 75 08 95 05 81 03 c0 c0",
         )
@@ -2058,6 +2083,16 @@ class Testite_06cb_2968(BaseTest.TestPTP):
         )
 
 
+class Testven_0488_108c(BaseTest.TestPTP):
+    def create_device(self):
+        return PTP(
+            "uhid test ven_0488_108c",
+            rdesc="05 01 09 02 a1 01 85 06 09 01 a1 00 05 09 19 01 29 03 15 00 25 01 95 03 75 01 81 02 95 01 75 05 81 03 05 01 09 30 09 31 09 38 15 81 25 7f 75 08 95 03 81 06 c0 c0 05 0d 09 05 a1 01 85 01 05 0d 09 22 a1 02 15 00 25 01 09 47 09 42 95 02 75 01 81 02 95 01 75 03 25 05 09 51 81 02 81 03 05 01 15 00 26 ba 0d 75 10 55 0e 65 11 09 30 35 00 46 d0 05 95 01 81 02 26 d0 06 46 bb 02 09 31 81 02 05 0d 95 01 75 10 26 ff 7f 46 ff 7f 09 30 81 02 c0 05 0d 09 22 a1 02 15 00 25 01 09 47 09 42 95 02 75 01 81 02 95 01 75 03 25 05 09 51 81 02 81 03 05 01 15 00 26 ba 0d 75 10 55 0e 65 11 09 30 35 00 46 d0 05 95 01 81 02 26 d0 06 46 bb 02 09 31 81 02 05 0d 95 01 75 10 26 ff 7f 46 ff 7f 09 30 81 02 c0 05 0d 09 22 a1 02 15 00 25 01 09 47 09 42 95 02 75 01 81 02 95 01 75 03 25 05 09 51 81 02 81 03 05 01 15 00 26 ba 0d 75 10 55 0e 65 11 09 30 35 00 46 d0 05 95 01 81 02 26 d0 06 46 bb 02 09 31 81 02 05 0d 95 01 75 10 26 ff 7f 46 ff 7f 09 30 81 02 c0 55 0c 66 01 10 47 ff ff 00 00 27 ff ff 00 00 75 10 95 01 05 0d 09 56 81 02 09 54 25 05 95 01 75 08 81 02 05 09 09 01 25 01 75 01 95 01 81 02 95 07 81 03 05 0d 85 02 09 55 75 08 95 01 25 05 b1 02 09 59 b1 02 06 00 ff 85 03 09 c5 15 00 26 ff 00 75 08 96 00 01 b1 02 05 0e 09 01 a1 02 85 13 09 23 15 00 25 64 75 08 95 01 b1 02 c0 c0 05 0d 09 0e a1 01 85 04 09 22 a1 02 09 52 15 00 25 0a 75 08 95 01 b1 02 c0 09 22 a1 00 85 05 09 57 09 58 75 01 95 02 25 01 b1 02 95 06 b1 03 c0 c0 06 01 ff 09 02 a1 01 09 00 85 07 15 00 26 ff 00 75 08 96 12 02 b1 02 c0 06 00 ff 09 01 a1 01 85 0d 15 00 26 ff 00 75 08 95 11 09 01 81 02 09 01 91 02 c0 05 0e 09 01 a1 01 85 11 09 35 15 00 26 ff 00 75 08 95 17 b1 02 c0 06 81 ff 09 01 a1 01 09 20 85 17 15 00 26 ff 00 75 08 95 3f 09 01 81 02 09 01 91 02 c0",
+            input_info=(0x18, 0x0488, 0x108C),
+            buttontype=HIDButtonType.PRESSUREPAD,
+        )
+
+
 class Testn_trig_1b96_0c01(BaseTest.TestWin8Multitouch):
     def create_device(self):
         return Digitizer(
@@ -2110,7 +2145,7 @@ class Testsipodev_0603_0002(BaseTest.TestPTP):
     def create_device(self):
         return PTP(
             "uhid test sipodev_0603_0002",
-            type="clickpad",
+            buttontype=HIDButtonType.CLICKPAD,
             rdesc="05 01 09 02 a1 01 85 03 09 01 a1 00 05 09 19 01 29 02 25 01 75 01 95 02 81 02 95 06 81 03 05 01 09 30 09 31 15 80 25 7f 75 08 95 02 81 06 c0 c0 05 0d 09 05 a1 01 85 04 09 22 a1 02 15 00 25 01 09 47 09 42 95 02 75 01 81 02 75 01 95 02 81 03 95 01 75 04 25 05 09 51 81 02 05 01 15 00 26 44 0a 75 0c 55 0e 65 11 09 30 35 00 46 ac 03 95 01 81 02 46 fe 01 26 34 05 75 0c 09 31 81 02 05 0d c0 55 0c 66 01 10 47 ff ff 00 00 27 ff ff 00 00 75 10 95 01 09 56 81 02 09 54 25 0a 95 01 75 04 81 02 75 01 95 03 81 03 05 09 09 01 25 01 75 01 95 01 81 02 05 0d 85 0a 09 55 09 59 75 04 95 02 25 0f b1 02 85 0b 09 60 75 01 95 01 15 00 25 01 b1 02 95 07 b1 03 85 09 06 00 ff 09 c5 15 00 26 ff 00 75 08 96 00 01 b1 02 c0 05 0d 09 0e a1 01 85 06 09 22 a1 02 09 52 15 00 25 0a 75 08 95 01 b1 02 c0 09 22 a1 00 85 07 09 57 09 58 75 01 95 02 25 01 b1 02 95 06 b1 03 c0 c0 05 01 09 0c a1 01 85 08 15 00 25 01 09 c6 75 01 95 01 81 06 75 07 81 03 c0 05 01 09 80 a1 01 85 01 15 00 25 01 75 01 0a 81 00 0a 82 00 0a 83 00 95 03 81 06 95 05 81 01 c0 06 0c 00 09 01 a1 01 85 02 25 01 15 00 75 01 0a b5 00 0a b6 00 0a b7 00 0a cd 00 0a e2 00 0a a2 00 0a e9 00 0a ea 00 95 08 81 02 0a 83 01 0a 6f 00 0a 70 00 0a 88 01 0a 8a 01 0a 92 01 0a a8 02 0a 24 02 95 08 81 02 0a 21 02 0a 23 02 0a 96 01 0a 25 02 0a 26 02 0a 27 02 0a 23 02 0a b1 02 95 08 81 02 c0 06 00 ff 09 01 a1 01 85 05 15 00 26 ff 00 19 01 29 02 75 08 95 05 b1 02 c0",
         )