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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /drivers/hid/hid-uclogic-params-test.c
downloadlinux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz
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Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ...
Diffstat (limited to 'drivers/hid/hid-uclogic-params-test.c')
-rw-r--r--drivers/hid/hid-uclogic-params-test.c222
1 files changed, 222 insertions, 0 deletions
diff --git a/drivers/hid/hid-uclogic-params-test.c b/drivers/hid/hid-uclogic-params-test.c
new file mode 100644
index 000000000..a30121419
--- /dev/null
+++ b/drivers/hid/hid-uclogic-params-test.c
@@ -0,0 +1,222 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+/*
+ * HID driver for UC-Logic devices not fully compliant with HID standard
+ *
+ * Copyright (c) 2022 José Expósito <jose.exposito89@gmail.com>
+ */
+
+#include <kunit/test.h>
+#include "./hid-uclogic-params.h"
+#include "./hid-uclogic-rdesc.h"
+
+#define MAX_STR_DESC_SIZE 14
+
+struct uclogic_parse_ugee_v2_desc_case {
+ const char *name;
+ int res;
+ const __u8 str_desc[MAX_STR_DESC_SIZE];
+ size_t str_desc_size;
+ const s32 desc_params[UCLOGIC_RDESC_PH_ID_NUM];
+ enum uclogic_params_frame_type frame_type;
+};
+
+static struct uclogic_parse_ugee_v2_desc_case uclogic_parse_ugee_v2_desc_cases[] = {
+ {
+ .name = "invalid_str_desc",
+ .res = -EINVAL,
+ .str_desc = {},
+ .str_desc_size = 0,
+ .desc_params = {},
+ .frame_type = UCLOGIC_PARAMS_FRAME_BUTTONS,
+ },
+ {
+ .name = "resolution_with_value_0",
+ .res = 0,
+ .str_desc = {
+ 0x0E, 0x03,
+ 0x70, 0xB2,
+ 0x10, 0x77,
+ 0x08,
+ 0x00,
+ 0xFF, 0x1F,
+ 0x00, 0x00,
+ },
+ .str_desc_size = 12,
+ .desc_params = {
+ [UCLOGIC_RDESC_PEN_PH_ID_X_LM] = 0xB270,
+ [UCLOGIC_RDESC_PEN_PH_ID_X_PM] = 0,
+ [UCLOGIC_RDESC_PEN_PH_ID_Y_LM] = 0x7710,
+ [UCLOGIC_RDESC_PEN_PH_ID_Y_PM] = 0,
+ [UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM] = 0x1FFF,
+ [UCLOGIC_RDESC_FRAME_PH_ID_UM] = 0x08,
+ },
+ .frame_type = UCLOGIC_PARAMS_FRAME_BUTTONS,
+ },
+ /* XP-PEN Deco L str_desc: Frame with 8 buttons */
+ {
+ .name = "frame_type_buttons",
+ .res = 0,
+ .str_desc = {
+ 0x0E, 0x03,
+ 0x70, 0xB2,
+ 0x10, 0x77,
+ 0x08,
+ 0x00,
+ 0xFF, 0x1F,
+ 0xD8, 0x13,
+ },
+ .str_desc_size = 12,
+ .desc_params = {
+ [UCLOGIC_RDESC_PEN_PH_ID_X_LM] = 0xB270,
+ [UCLOGIC_RDESC_PEN_PH_ID_X_PM] = 0x2320,
+ [UCLOGIC_RDESC_PEN_PH_ID_Y_LM] = 0x7710,
+ [UCLOGIC_RDESC_PEN_PH_ID_Y_PM] = 0x1770,
+ [UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM] = 0x1FFF,
+ [UCLOGIC_RDESC_FRAME_PH_ID_UM] = 0x08,
+ },
+ .frame_type = UCLOGIC_PARAMS_FRAME_BUTTONS,
+ },
+ /* PARBLO A610 PRO str_desc: Frame with 9 buttons and dial */
+ {
+ .name = "frame_type_dial",
+ .res = 0,
+ .str_desc = {
+ 0x0E, 0x03,
+ 0x96, 0xC7,
+ 0xF9, 0x7C,
+ 0x09,
+ 0x01,
+ 0xFF, 0x1F,
+ 0xD8, 0x13,
+ },
+ .str_desc_size = 12,
+ .desc_params = {
+ [UCLOGIC_RDESC_PEN_PH_ID_X_LM] = 0xC796,
+ [UCLOGIC_RDESC_PEN_PH_ID_X_PM] = 0x2749,
+ [UCLOGIC_RDESC_PEN_PH_ID_Y_LM] = 0x7CF9,
+ [UCLOGIC_RDESC_PEN_PH_ID_Y_PM] = 0x1899,
+ [UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM] = 0x1FFF,
+ [UCLOGIC_RDESC_FRAME_PH_ID_UM] = 0x09,
+ },
+ .frame_type = UCLOGIC_PARAMS_FRAME_DIAL,
+ },
+ /* XP-PEN Deco Pro S str_desc: Frame with 8 buttons and mouse */
+ {
+ .name = "frame_type_mouse",
+ .res = 0,
+ .str_desc = {
+ 0x0E, 0x03,
+ 0xC8, 0xB3,
+ 0x34, 0x65,
+ 0x08,
+ 0x02,
+ 0xFF, 0x1F,
+ 0xD8, 0x13,
+ },
+ .str_desc_size = 12,
+ .desc_params = {
+ [UCLOGIC_RDESC_PEN_PH_ID_X_LM] = 0xB3C8,
+ [UCLOGIC_RDESC_PEN_PH_ID_X_PM] = 0x2363,
+ [UCLOGIC_RDESC_PEN_PH_ID_Y_LM] = 0x6534,
+ [UCLOGIC_RDESC_PEN_PH_ID_Y_PM] = 0x13EC,
+ [UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM] = 0x1FFF,
+ [UCLOGIC_RDESC_FRAME_PH_ID_UM] = 0x08,
+ },
+ .frame_type = UCLOGIC_PARAMS_FRAME_MOUSE,
+ },
+};
+
+static void uclogic_parse_ugee_v2_desc_case_desc(struct uclogic_parse_ugee_v2_desc_case *t,
+ char *desc)
+{
+ strscpy(desc, t->name, KUNIT_PARAM_DESC_SIZE);
+}
+
+KUNIT_ARRAY_PARAM(uclogic_parse_ugee_v2_desc, uclogic_parse_ugee_v2_desc_cases,
+ uclogic_parse_ugee_v2_desc_case_desc);
+
+static void hid_test_uclogic_parse_ugee_v2_desc(struct kunit *test)
+{
+ int res;
+ s32 desc_params[UCLOGIC_RDESC_PH_ID_NUM];
+ enum uclogic_params_frame_type frame_type;
+ const struct uclogic_parse_ugee_v2_desc_case *params = test->param_value;
+
+ res = uclogic_params_parse_ugee_v2_desc(params->str_desc,
+ params->str_desc_size,
+ desc_params,
+ ARRAY_SIZE(desc_params),
+ &frame_type);
+ KUNIT_ASSERT_EQ(test, res, params->res);
+
+ if (res)
+ return;
+
+ KUNIT_EXPECT_EQ(test,
+ params->desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_LM],
+ desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_LM]);
+ KUNIT_EXPECT_EQ(test,
+ params->desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_PM],
+ desc_params[UCLOGIC_RDESC_PEN_PH_ID_X_PM]);
+ KUNIT_EXPECT_EQ(test,
+ params->desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_LM],
+ desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_LM]);
+ KUNIT_EXPECT_EQ(test,
+ params->desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_PM],
+ desc_params[UCLOGIC_RDESC_PEN_PH_ID_Y_PM]);
+ KUNIT_EXPECT_EQ(test,
+ params->desc_params[UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM],
+ desc_params[UCLOGIC_RDESC_PEN_PH_ID_PRESSURE_LM]);
+ KUNIT_EXPECT_EQ(test,
+ params->desc_params[UCLOGIC_RDESC_FRAME_PH_ID_UM],
+ desc_params[UCLOGIC_RDESC_FRAME_PH_ID_UM]);
+ KUNIT_EXPECT_EQ(test, params->frame_type, frame_type);
+}
+
+struct fake_device {
+ unsigned long quirks;
+};
+
+static void hid_test_uclogic_params_cleanup_event_hooks(struct kunit *test)
+{
+ int res, n;
+ struct hid_device *hdev;
+ struct fake_device *fake_dev;
+ struct uclogic_params p = {0, };
+
+ hdev = kunit_kzalloc(test, sizeof(struct hid_device), GFP_KERNEL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, hdev);
+
+ fake_dev = kunit_kzalloc(test, sizeof(struct fake_device), GFP_KERNEL);
+ KUNIT_ASSERT_NOT_ERR_OR_NULL(test, fake_dev);
+
+ hid_set_drvdata(hdev, fake_dev);
+
+ res = uclogic_params_ugee_v2_init_event_hooks(hdev, &p);
+ KUNIT_ASSERT_EQ(test, res, 0);
+
+ /* Check that the function can be called repeatedly */
+ for (n = 0; n < 4; n++) {
+ uclogic_params_cleanup_event_hooks(&p);
+ KUNIT_EXPECT_PTR_EQ(test, p.event_hooks, NULL);
+ }
+}
+
+static struct kunit_case hid_uclogic_params_test_cases[] = {
+ KUNIT_CASE_PARAM(hid_test_uclogic_parse_ugee_v2_desc,
+ uclogic_parse_ugee_v2_desc_gen_params),
+ KUNIT_CASE(hid_test_uclogic_params_cleanup_event_hooks),
+ {}
+};
+
+static struct kunit_suite hid_uclogic_params_test_suite = {
+ .name = "hid_uclogic_params_test",
+ .test_cases = hid_uclogic_params_test_cases,
+};
+
+kunit_test_suite(hid_uclogic_params_test_suite);
+
+MODULE_DESCRIPTION("KUnit tests for the UC-Logic driver");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("José Expósito <jose.exposito89@gmail.com>");