From d24edc605b9b52d3610efbb9cf691c437ea00746 Mon Sep 17 00:00:00 2001
From: Solomon Peachy <pizza@shaftnet.org>
Date: Thu, 3 Jan 2019 20:46:54 -0500
Subject: 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
---
 apps/misc.c | 31 ++++++++++++++++++++++++++-----
 1 file changed, 26 insertions(+), 5 deletions(-)

(limited to 'apps/misc.c')

diff --git a/apps/misc.c b/apps/misc.c
index 90865859cf..2106d11164 100644
--- a/apps/misc.c
+++ b/apps/misc.c
@@ -157,11 +157,11 @@ char *output_dyn_value(char *buf,
         value_abs /= scale;
         unit_no++;
     }
-    
+
     value = (value < 0) ? -value_abs : value_abs; /* preserve sign */
     fraction = (fraction * 1000 / scale) / 10;
 
-    if (value_abs >= 100 || fraction >= 100 || !unit_no) 
+    if (value_abs >= 100 || fraction >= 100 || !unit_no)
         tbuf[0] = '\0';
     else if (value_abs >= 10)
         snprintf(tbuf, sizeof(tbuf), "%01u", fraction / 10);
@@ -521,7 +521,7 @@ void car_adapter_mode_init(void)
 #endif
 
 #ifdef HAVE_HEADPHONE_DETECTION
-static void unplug_change(bool inserted)
+static void hp_unplug_change(bool inserted)
 {
     static bool headphone_caused_pause = false;
 
@@ -553,6 +553,18 @@ static void unplug_change(bool inserted)
 }
 #endif
 
+#ifdef HAVE_LINEOUT_DETECTION
+static void lo_unplug_change(bool inserted)
+{
+#ifdef HAVE_LINEOUT_POWEROFF
+    lineout_set(inserted);
+#else
+    (void)inserted;
+    audiohw_set_lineout_volume(0,0);
+#endif
+}
+#endif
+
 long default_event_handler_ex(long event, void (*callback)(void *), void *parameter)
 {
 #if CONFIG_PLATFORM & (PLATFORM_ANDROID|PLATFORM_MAEMO)
@@ -632,13 +644,22 @@ long default_event_handler_ex(long event, void (*callback)(void *), void *parame
 #endif
 #ifdef HAVE_HEADPHONE_DETECTION
         case SYS_PHONE_PLUGGED:
-            unplug_change(true);
+            hp_unplug_change(true);
             return SYS_PHONE_PLUGGED;
 
         case SYS_PHONE_UNPLUGGED:
-            unplug_change(false);
+            hp_unplug_change(false);
             return SYS_PHONE_UNPLUGGED;
 #endif
+#ifdef HAVE_LINEOUT_DETECTION
+        case SYS_LINEOUT_PLUGGED:
+            lo_unplug_change(true);
+            return SYS_LINEOUT_PLUGGED;
+
+        case SYS_LINEOUT_UNPLUGGED:
+            lo_unplug_change(false);
+            return SYS_LINEOUT_UNPLUGGED;
+#endif
 #if CONFIG_PLATFORM & (PLATFORM_ANDROID|PLATFORM_MAEMO)
         /* stop playback if we receive a call */
         case SYS_CALL_INCOMING:
-- 
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