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author | Benjamin Tissoires <bentiss@kernel.org> | 2024-04-10 20:19:28 +0300 |
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committer | Benjamin Tissoires <bentiss@kernel.org> | 2024-05-07 16:39:16 +0300 |
commit | 9f1bf4c225329d27e85fc1c5b5af9e6ebf4a8ff3 (patch) | |
tree | 8766e103998a9d4c235eb8386cd42f63196ff0b9 /drivers/hid/hid-nvidia-shield.c | |
parent | 1c046d09c6ba4ff5fb959b2d195cacadb2ae6977 (diff) | |
download | linux-9f1bf4c225329d27e85fc1c5b5af9e6ebf4a8ff3.tar.xz |
HID: bpf: add in-tree HID-BPF fix for the Huion Kamvas Pro 19
This tablets gets a lot of things wrong:
- the secondary button is reported through Secondary Tip Switch
- the third button is reported through Invert
Fortunately, before entering eraser mode, (so Invert = 1),
the tablet always sends an out-of-proximity event.
So we can detect that single event and:
- if there was none but the invert bit was toggled: this is the
third button
- if there was this out-of-proximity event, we are entering
eraser mode, and we will until the next out-of-proximity.
Link: https://lore.kernel.org/r/20240410-bpf_sources-v1-8-a8bf16033ef8@kernel.org
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Diffstat (limited to 'drivers/hid/hid-nvidia-shield.c')
0 files changed, 0 insertions, 0 deletions