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Some improvements for the gamepad with the steam deck

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This commit is contained in:
Johannes Leupolz 2025-11-10 23:08:34 +00:00
parent 014119fec5
commit 79383c8b76
1 changed files with 20 additions and 12 deletions
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32
vuinputd/src/main.rs
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@ -269,15 +269,17 @@ unsafe extern "C" fn vuinput_write(
// setup abs
for code in 0..libc::ABS_CNT{
let mut abs_setup: uinput_abs_setup = unsafe { std::mem::zeroed() };
abs_setup.code=code.try_into().unwrap();
abs_setup.absinfo.maximum = (*legacy_uinput_user_dev).absmax[code];
abs_setup.absinfo.minimum = (*legacy_uinput_user_dev).absmin[code];
abs_setup.absinfo.fuzz = (*legacy_uinput_user_dev).absfuzz[code];
abs_setup.absinfo.flat = (*legacy_uinput_user_dev).absflat[code];
if (*legacy_uinput_user_dev).absmax[code] != 0 || (*legacy_uinput_user_dev).absmin[code] != 0 {
let mut abs_setup: uinput_abs_setup = unsafe { std::mem::zeroed() };
abs_setup.code=code.try_into().unwrap();
abs_setup.absinfo.maximum = (*legacy_uinput_user_dev).absmax[code];
abs_setup.absinfo.minimum = (*legacy_uinput_user_dev).absmin[code];
abs_setup.absinfo.fuzz = (*legacy_uinput_user_dev).absfuzz[code];
abs_setup.absinfo.flat = (*legacy_uinput_user_dev).absflat[code];
let abs_setup_ptr = &mut abs_setup as *mut uinput_abs_setup;
ui_abs_setup(fd, abs_setup_ptr).unwrap();
let abs_setup_ptr = &mut abs_setup as *mut uinput_abs_setup;
ui_abs_setup(fd, abs_setup_ptr).unwrap();
}
}
fuse_lowlevel::fuse_reply_write(_req, _size);
@ -285,24 +287,26 @@ unsafe extern "C" fn vuinput_write(
}
let mut bytes = 0;
let mut result = Result::Ok(());
let mut result = Result::Ok(0);
let compat_size= std::mem::size_of::<input_event_compat>();
let normal_size= std::mem::size_of::<libc::input_event>();
let is_compat = vuinput_state.requesting_process.is_compat;
// TODO: ARM: && !compat_uses_64bit_time()
if !is_compat {
while bytes + normal_size <= _size && result.is_ok() {
result = vuinput_state.file.write_all(&slice[bytes..bytes + normal_size]);
result = vuinput_state.file.write(&slice[bytes..bytes + normal_size]);
bytes += normal_size;
}
} else {
while bytes + compat_size <= _size && result.is_ok() {
let compat = _buf.byte_add(bytes) as *const input_event_compat;
let position= _buf.byte_add(bytes);
let compat = position as *const input_event_compat;
let normal = compat::map_to_64_bit(&*compat);
let normal_ptr=(&normal as *const libc::input_event) as *const u8;
let slice = std::slice::from_raw_parts(normal_ptr,normal_size);
result = vuinput_state.file.write_all(&slice);
result = vuinput_state.file.write(&slice);
bytes += compat_size;
}
};
@ -514,6 +518,10 @@ unsafe extern "C" fn vuinput_ioctl(
JOB_DISPATCHER.get().unwrap().lock().unwrap().dispatch(Box::new(inject_job));
}
// write a SYN-event (which is just zeros) just for validation
let syn_event : [u8; 24] = [0; 24];
vuinput_state.file.write_all(&syn_event).unwrap();
// hard code 2 second sleep
std::thread::sleep(std::time::Duration::from_secs(2));