kernel.git/drivers/hid/bpf/progs, branch linux-rolling-lts

HID: bpf: fix BTN_STYLUS for the XP Pen ACK05 remote

2025-04-24T09:36:53Z

Usage_Dig_BarrelSwitch was applied in the UsagePage_Button which incorrectly mapped to BTN_TOOL_PENCIL Link: https://gitlab.freedesktop.org/libevdev/udev-hid-bpf/-/merge_requests/193 Fixes: 834da375 ("bpf: add a v6.11+ compatible BPF fixup for the XPPen ACK05 remote") Link: https://patchwork.kernel.org/project/linux-input/patch/20250207-bpf-import-2025-02-07-v1-7-6048fdd5a206@kernel.org/ Signed-off-by: Peter Hutterer Signed-off-by: Jiri Kosina

HID: bpf: add a v6.11+ compatible BPF fixup for the XPPen ACK05 remote

2025-02-24T08:25:34Z

With v6.11+, we can actually call hid_hw_output_report() and put the device into raw mode, thus getting accurate events without being messed up. Technically we could do the same on v6.10, but given that wayland, gnome and KDE are still not capable of handling the dial, and that v6.10 is EOL, we can safely save a little bit of compilation by only allowing v6.11+. We can easily export the battery information to userspace by adding a dedicated report. However, we need to cheat on the kernel to force it not to query the battery by making the physical collection a stylus. The kernel will then only rely on the events it gets from the device. Link: https://gitlab.freedesktop.org/libevdev/udev-hid-bpf/-/merge_requests/133 Acked-by: Jiri Kosina Link: https://patch.msgid.link/20250207-bpf-import-2025-02-07-v1-7-6048fdd5a206@kernel.org Signed-off-by: Benjamin Tissoires

HID: bpf: new hid_bpf_async.h common header

2025-02-24T08:25:34Z

The purpose is to simplify the use of bpf_wq to defer blocking operations in a sleepable context. Compared to a more "classic" async approach, there is no sync mechanism to wait for the async to finish. The "simple" API is the following: ``` static int HID_BPF_ASYNC(async_fun)(struct hid_bpf_ctx *hctx) { bpf_printk("%s", __fun__); return 0; } SEC("syscall") int probe(struct hid_bpf_probe_args *ctx) { ctx->retval = HID_BPF_ASYNC_INIT(async_fun); return 0; } SEC(HID_BPF_DEVICE_EVENT) int BPF_PROG(event_handler, struct hid_bpf_ctx *hctx) { /* async_fun() can be called now, it's not a sleepable * function in this example */ async_fun(hctx); /* but we can also delay the call by 10 ms */ HID_BPF_ASYNC_DELAYED_CALL(async_fun, hctx, 10); return 0; } HID_BPF_OPS(xppen_ack05_remote) = { .hid_device_event = (void *)event_handler, }; ``` Link: https://gitlab.freedesktop.org/libevdev/udev-hid-bpf/-/merge_requests/133 Acked-by: Jiri Kosina Link: https://patch.msgid.link/20250207-bpf-import-2025-02-07-v1-6-6048fdd5a206@kernel.org Signed-off-by: Benjamin Tissoires

HID: bpf: import new kfunc from v6.10 & v6.11

2025-02-24T08:25:34Z

These kfunc are all in v6.10 except for the hid_bpf_try_input_report() which will be in v6.11. Import their definition once now so we can make use of it. Link: https://gitlab.freedesktop.org/libevdev/udev-hid-bpf/-/merge_requests/114 Acked-by: Jiri Kosina Link: https://patch.msgid.link/20250207-bpf-import-2025-02-07-v1-5-6048fdd5a206@kernel.org Signed-off-by: Benjamin Tissoires

HID: bpf: add support for the XP-Pen Artist Pro 19 (gen2)

2025-02-24T08:25:34Z

The device behaves the same than the 16" and 14" models, so let's just add support for it too. Link: https://gitlab.freedesktop.org/libevdev/udev-hid-bpf/-/merge_requests/145 Acked-by: Jiri Kosina Link: https://patch.msgid.link/20250207-bpf-import-2025-02-07-v1-4-6048fdd5a206@kernel.org Signed-off-by: Benjamin Tissoires

HID: bpf: Added updated Kamvas Pro 19 descriptor

2025-02-24T08:25:34Z

This adds an updated HID descriptor for the Huion Kamvas Pro 19 that is present on newer firmware revisions, while also trying to keep compat with the older versions. Link: https://gitlab.freedesktop.org/libevdev/udev-hid-bpf/-/merge_requests/164 Signed-off-by: Aki Van Ness Acked-by: Jiri Kosina Link: https://patch.msgid.link/20250207-bpf-import-2025-02-07-v1-3-6048fdd5a206@kernel.org Signed-off-by: Benjamin Tissoires

HID: bpf: Suppress bogus F13 trigger on Sirius keyboard full fan shortcut

2025-02-24T08:25:33Z

The TUXEDO Sirius 16 Gen1 and the TUXEDO Sirius 16 Gen2 Notebooks have an additional "fan" key next to F12. Pressing it alone sends a F14 key press which can be bound by user space. Pressing it while holding the FN key triggers two things: - The EC firmware locks the fan speed of the internal fans at 100% - F13 key press is registered which by default is already bound in xkb and desktop environments (e.g. in KDE Plasma it launches system settings) To avoid this unexpected double duty of the FN shortcut, this bpf program suppresses the F13 key press. Signed-off-by: Werner Sembach Link: https://gitlab.freedesktop.org/libevdev/udev-hid-bpf/-/merge_requests/166 Acked-by: Jiri Kosina Link: https://patch.msgid.link/20250207-bpf-import-2025-02-07-v1-2-6048fdd5a206@kernel.org Signed-off-by: Benjamin Tissoires

HID: bpf: Add support for the default firmware mode of the Huion K20

2025-02-24T08:25:33Z

This re-uses the same HID report descriptor that we also use for the tablet mode after switching the device. The keys send uniquely identifyable shortcuts so we can map those to buttons. However the dial and the button inside the dial send events on a different hidraw node and they are unreliable (e.g. the button does not get released reliably). So they're ignored in this patch, it's not worth the effort getting those to work correctly. Signed-off-by: Peter Hutterer Link: https://gitlab.freedesktop.org/libevdev/udev-hid-bpf/-/merge_requests/158 Acked-by: Jiri Kosina Link: https://patch.msgid.link/20250207-bpf-import-2025-02-07-v1-1-6048fdd5a206@kernel.org Signed-off-by: Benjamin Tissoires

HID: bpf: drop use of Logical|Physical|UsageRange

2024-10-18T12:37:33Z

Replace with individual Minimum/Maximum calls to match the HID report descriptor - HID doesn't have a Range field. Abstracting this is good for hand-written descriptors but almost all tools will output min/max instead so let's stick with that. Signed-off-by: Peter Hutterer Acked-by: Jiri Kosina Link: https://patch.msgid.link/20241017-import_bpf_6-13-v2-3-6a7acb89a97f@kernel.org Signed-off-by: Benjamin Tissoires

HID: bpf: Fix Rapoo M50 Plus Silent side buttons

2024-10-18T12:37:33Z

The Rapoo M50 Plus Silent mouse has 2 side buttons in addition to the left, right and middles buttons. However, its original HID descriptor has a Usage Maximum of 3, preventing the side buttons to work. This HID-BPF driver changes that usage to 5. Link: https://gitlab.freedesktop.org/libinput/libinput/-/issues/1015 Link: https://gitlab.freedesktop.org/libevdev/udev-hid-bpf/-/merge_requests/116 Signed-off-by: José Expósito Acked-by: Jiri Kosina Link: https://patch.msgid.link/20241017-import_bpf_6-13-v2-2-6a7acb89a97f@kernel.org Signed-off-by: Benjamin Tissoires