Reset the keyboard to default state during initialization (#632)

## Description

Fixes #633

Reset the keyboard to default state during initialization in order to
make sure the LED status on keyboard is determined.

- [x] Impacts functionality?
- [ ] Impacts security?
- [ ] Breaking change?
- [ ] Includes tests?
- [ ] Includes documentation?
- [x] Backport to release branch?

## How This Was Tested

Tested on Surface Laptop and Surface Pro, all keyboard LEDs are turned
off when booting to the UEFI front page.
No regressions observed.

## Integration Instructions

N/A

HidPkg/UefiHidDxeV2/src/keyboard.rs

@@ -523,6 +523,9 @@ impl HidReportReceiver for KeyboardHidHandler {
     fn initialize(&mut self, controller: efi::Handle, hid_io: &dyn HidIo) -> Result<(), efi::Status> {
         let descriptor = hid_io.get_report_descriptor()?;
         self.process_descriptor(descriptor)?;
+        // Set the key toggle state here so that the subsequent reset() can send the LED state to the device.
+        self.set_key_toggle_state(protocols::simple_text_input_ex::CAPS_LOCK_ACTIVE);
+        self.reset(hid_io, true)?;
         self.install_protocol_interfaces(controller)?;
         self.initialize_keyboard_layout()?;
         Ok(())
@@ -818,6 +821,7 @@ mod test {
         let boot_services = create_fake_static_boot_service();
         let mut keyboard_handler = KeyboardHidHandler::new(boot_services, 1 as efi::Handle);
         let mut hid_io = MockHidIo::new();
+        hid_io.expect_set_output_report().returning(|_, _| Ok(()));
         hid_io
             .expect_get_report_descriptor()
             .returning(|| Ok(hidparser::parse_report_descriptor(&MOUSE_REPORT_DESCRIPTOR).unwrap()));
@@ -839,6 +843,7 @@ mod test {
 
         let mut keyboard_handler = KeyboardHidHandler::new(boot_services, 1 as efi::Handle);
         let mut hid_io = MockHidIo::new();
+        hid_io.expect_set_output_report().returning(|_, _| Ok(()));
         hid_io
             .expect_get_report_descriptor()
             .returning(|| Ok(hidparser::parse_report_descriptor(&BOOT_KEYBOARD_REPORT_DESCRIPTOR).unwrap()));
@@ -862,6 +867,7 @@ mod test {
 
         let mut keyboard_handler = KeyboardHidHandler::new(boot_services, 1 as efi::Handle);
         let mut hid_io = MockHidIo::new();
+        hid_io.expect_set_output_report().returning(|_, _| Ok(()));
         hid_io
             .expect_get_report_descriptor()
             .returning(|| Ok(hidparser::parse_report_descriptor(&BOOT_KEYBOARD_REPORT_DESCRIPTOR).unwrap()));
@@ -1086,6 +1092,7 @@ mod test {
         unsafe { HANDLER = &mut keyboard_handler as *mut KeyboardHidHandler };
 
         let mut hid_io = MockHidIo::new();
+        hid_io.expect_set_output_report().returning(|_, _| Ok(()));
         hid_io
             .expect_get_report_descriptor()
             .returning(|| Ok(hidparser::parse_report_descriptor(&BOOT_KEYBOARD_REPORT_DESCRIPTOR).unwrap()));
@@ -1156,6 +1163,7 @@ mod test {
 
         let mut keyboard_handler = KeyboardHidHandler::new(boot_services, 1 as efi::Handle);
         let mut hid_io = MockHidIo::new();
+        hid_io.expect_set_output_report().returning(|_, _| Ok(()));
         hid_io
             .expect_get_report_descriptor()
             .returning(|| Ok(hidparser::parse_report_descriptor(&BOOT_KEYBOARD_REPORT_DESCRIPTOR).unwrap()));
@@ -1220,6 +1228,7 @@ mod test {
 
         let mut keyboard_handler = KeyboardHidHandler::new(boot_services, 1 as efi::Handle);
         let mut hid_io = MockHidIo::new();
+        hid_io.expect_set_output_report().returning(|_, _| Ok(()));
         hid_io
             .expect_get_report_descriptor()
             .returning(|| Ok(hidparser::parse_report_descriptor(&BOOT_KEYBOARD_REPORT_DESCRIPTOR).unwrap()));

HidPkg/UefiHidDxeV2/src/keyboard/simple_text_in.rs

@@ -467,6 +467,7 @@ mod test {
         let mut keyboard_handler = KeyboardHidHandler::new(boot_services, 1 as efi::Handle);
 
         let mut hid_io = MockHidIo::new();
+        hid_io.expect_set_output_report().returning(|_, _| Ok(()));
         hid_io
             .expect_get_report_descriptor()
             .returning(|| Ok(hidparser::parse_report_descriptor(&BOOT_KEYBOARD_REPORT_DESCRIPTOR).unwrap()));
@@ -607,6 +608,7 @@ mod test {
         let mut keyboard_handler = KeyboardHidHandler::new(boot_services, 1 as efi::Handle);
 
         let mut hid_io = MockHidIo::new();
+        hid_io.expect_set_output_report().returning(|_, _| Ok(()));
         hid_io
             .expect_get_report_descriptor()
             .returning(|| Ok(hidparser::parse_report_descriptor(&BOOT_KEYBOARD_REPORT_DESCRIPTOR).unwrap()));

HidPkg/UefiHidDxeV2/src/keyboard/simple_text_in_ex.rs

@@ -596,6 +596,7 @@ mod test {
         let mut keyboard_handler = KeyboardHidHandler::new(boot_services, 1 as efi::Handle);
 
         let mut hid_io = MockHidIo::new();
+        hid_io.expect_set_output_report().returning(|_, _| Ok(()));
         hid_io
             .expect_get_report_descriptor()
             .returning(|| Ok(hidparser::parse_report_descriptor(&BOOT_KEYBOARD_REPORT_DESCRIPTOR).unwrap()));
@@ -775,6 +776,7 @@ mod test {
         let mut keyboard_handler = KeyboardHidHandler::new(boot_services, 1 as efi::Handle);
 
         let mut hid_io = MockHidIo::new();
+        hid_io.expect_set_output_report().returning(|_, _| Ok(()));
         hid_io
             .expect_get_report_descriptor()
             .returning(|| Ok(hidparser::parse_report_descriptor(&BOOT_KEYBOARD_REPORT_DESCRIPTOR).unwrap()));
@@ -840,6 +842,7 @@ mod test {
         let mut keyboard_handler = KeyboardHidHandler::new(boot_services, 1 as efi::Handle);
 
         let mut hid_io = MockHidIo::new();
+        hid_io.expect_set_output_report().returning(|_, _| Ok(()));
         hid_io
             .expect_get_report_descriptor()
             .returning(|| Ok(hidparser::parse_report_descriptor(&BOOT_KEYBOARD_REPORT_DESCRIPTOR).unwrap()));
@@ -978,6 +981,7 @@ mod test {
         let mut keyboard_handler = KeyboardHidHandler::new(boot_services, 1 as efi::Handle);
 
         let mut hid_io = MockHidIo::new();
+        hid_io.expect_set_output_report().returning(|_, _| Ok(()));
         hid_io
             .expect_get_report_descriptor()
             .returning(|| Ok(hidparser::parse_report_descriptor(&BOOT_KEYBOARD_REPORT_DESCRIPTOR).unwrap()));