Loading services/usb/java/com/android/server/usb/UsbUniversalMidiDevice.java +5 −6 Original line number Diff line number Diff line Loading @@ -218,14 +218,13 @@ public final class UsbUniversalMidiDevice implements Closeable { if (doesInterfaceContainInput && doesInterfaceContainOutput) { UsbDeviceConnection connection = manager.openDevice(mUsbDevice); if (!connection.claimInterface(interfaceDescriptor.toAndroid(mParser), true)) { Log.d(TAG, "Can't claim control interface"); continue; } // The ALSA does not handle switching to the MIDI 2.0 interface correctly // and stops exposing /dev/snd/midiC1D0 after calling connection.setInterface(). // Thus, simply use the control interface (interface zero). int defaultMidiProtocol = mMidiBlockParser.calculateMidiType(connection, interfaceDescriptor.getInterfaceNumber(), 0, interfaceDescriptor.getAlternateSetting()); connection.close(); return defaultMidiProtocol; } Loading Loading
services/usb/java/com/android/server/usb/UsbUniversalMidiDevice.java +5 −6 Original line number Diff line number Diff line Loading @@ -218,14 +218,13 @@ public final class UsbUniversalMidiDevice implements Closeable { if (doesInterfaceContainInput && doesInterfaceContainOutput) { UsbDeviceConnection connection = manager.openDevice(mUsbDevice); if (!connection.claimInterface(interfaceDescriptor.toAndroid(mParser), true)) { Log.d(TAG, "Can't claim control interface"); continue; } // The ALSA does not handle switching to the MIDI 2.0 interface correctly // and stops exposing /dev/snd/midiC1D0 after calling connection.setInterface(). // Thus, simply use the control interface (interface zero). int defaultMidiProtocol = mMidiBlockParser.calculateMidiType(connection, interfaceDescriptor.getInterfaceNumber(), 0, interfaceDescriptor.getAlternateSetting()); connection.close(); return defaultMidiProtocol; } Loading