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Remove automatic detection logic for CONFIG_JOYSTICK_XPAD_LEDS=y

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It doesn't work due to Android app sandboxing
This commit is contained in:
Cameron Gutman
2022-12-16 00:20:06 -06:00
parent 1aea723ef0
commit 1b601324d0
1 changed files with 8 additions and 20 deletions
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28
app/src/main/java/com/limelight/binding/input/driver/UsbDriverService.java
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@@ -265,31 +265,19 @@ public class UsbDriverService extends Service implements UsbDriverListener {
}
// We know we have a kernel that should set Xbox 360 wireless LEDs, but we still don't
// know if CONFIG_JOYSTICK_XPAD_LEDS was enabled during the kernel build. To detect this,
// we will look for an xpad LED device. If we find even a single match here, that tells us
// that CONFIG_JOYSTICK_XPAD_LEDS is enabled and we can assume (based on our version check
// above) that the kernel will handle setting LEDs on the wireless controllers on its own.
//
// NB: This will be inaccurate when called without any Xbox 360 or Xbox 360 wireless gamepad
// attached, but it will be correct when it matters (when we're actually checking a real
// matching device).
File systemDir = new File("/sys/class/leds");
File[] files = systemDir.listFiles();
if (files != null) {
for (File f : files) {
if (f.getName().startsWith("xpad")) {
return true;
}
}
}
return false;
// know if CONFIG_JOYSTICK_XPAD_LEDS was enabled during the kernel build. Unfortunately
// it's not possible to detect this reliably due to Android's app sandboxing. Reading
// /proc/config.gz and enumerating /sys/class/leds are both blocked by SELinux on any
// relatively modern device. We will assume that CONFIG_JOYSTICK_XPAD_LEDS=y on these
// kernels and users can override by using the settings option to claim all devices.
return true;
}
public static boolean shouldClaimDevice(UsbDevice device, boolean claimAllAvailable) {
return ((!kernelSupportsXboxOne() || !isRecognizedInputDevice(device) || claimAllAvailable) && XboxOneController.canClaimDevice(device)) ||
((!isRecognizedInputDevice(device) || claimAllAvailable) && Xbox360Controller.canClaimDevice(device)) ||
((!kernelSupportsXbox360W() || !isRecognizedInputDevice(device) || claimAllAvailable) && Xbox360WirelessDongle.canClaimDevice(device));
// We must not call isRecognizedInputDevice() because wireless controllers don't share the same product ID as the dongle
((!kernelSupportsXbox360W() || claimAllAvailable) && Xbox360WirelessDongle.canClaimDevice(device));
}
private void start() {