Add HAVE_LINEOUT_DETECTION and associated logic

This allows targets to automatically switch audio settings when the
line out is plugged/unplugged.

Only hooked up on the xDuoo X3, but there are other potential users.

Change-Id: Ic46a329bc955cca2e2ad0335ca16295eab24ad59

1 files changed, 2 insertions, 0 deletions

diff --git a/firmware/kernel/include/queue.h b/firmware/kernel/include/queue.h
index afee4c90ff..515a7e43a8 100644
--- a/firmware/kernel/include/queue.h
+++ b/firmware/kernel/include/queue.h
@@ -65,6 +65,8 @@
 #define SYS_PHONE_UNPLUGGED       MAKE_SYS_EVENT(SYS_EVENT_CLS_PLUG, 3)
 #define SYS_REMOTE_PLUGGED        MAKE_SYS_EVENT(SYS_EVENT_CLS_PLUG, 4)
 #define SYS_REMOTE_UNPLUGGED      MAKE_SYS_EVENT(SYS_EVENT_CLS_PLUG, 5)
+#define SYS_LINEOUT_PLUGGED       MAKE_SYS_EVENT(SYS_EVENT_CLS_PLUG, 6)
+#define SYS_LINEOUT_UNPLUGGED     MAKE_SYS_EVENT(SYS_EVENT_CLS_PLUG, 7)
 #define SYS_CAR_ADAPTER_RESUME    MAKE_SYS_EVENT(SYS_EVENT_CLS_MISC, 0)
 #define SYS_CALL_INCOMING         MAKE_SYS_EVENT(SYS_EVENT_CLS_MISC, 3)
 #define SYS_CALL_HUNG_UP          MAKE_SYS_EVENT(SYS_EVENT_CLS_MISC, 4)