Add channel selection for bypassed keyboard

1 files changed, 9 insertions, 0 deletions

diff --git a/src/app.c b/src/app.c
index de3d796..8f70a6e 100644
--- a/src/app.c
+++ b/src/app.c
@@ -536,7 +536,16 @@ app_surface_event(u8 type, u8 index, u8 value) {
                         }
                         return;
                     }
+                    // Find the minimum channel the keyboard can use for sending
+                    // notes.
                     u8 channel = 0;
+                    for (int i = 0; i < 16; i++) {
+                        if (state.ch_listen[i] != 0) {
+                            channel = i;
+                            break;
+                        }
+                    }
+
                     // TODO: Aftertouch?
                     // TODO: Per KBD channel selection.
                     int note = kbd_find_note(index);