DO NOT SUBMIT Revert "DO NOT MERGE Blacklist devices for absolute volume control"

This reverts commit 8fe9b6c9f7538de91c1a3aded53518ca8c6d2fc0.

Change-Id: Ic0aa70bcaec57bf14afa20ac5304e7164174b566

btif/src/btif_rc.c

diff --git a/btif/src/btif_rc.c b/btif/src/btif_rc.c
index 15fc9cf..6667ddb 100644
--- a/btif/src/btif_rc.c
+++ b/btif/src/btif_rc.c
@@ -36,7 +36,6 @@
 #include "btif_common.h"
 #include "btif_util.h"
 #include "btif_av.h"
-#include "device/include/interop.h"
 #include "hardware/bt_rc.h"
 #include "uinput.h"
 
@@ -325,8 +324,11 @@
     bt_bdaddr_t rc_addr;
     bdcpy(rc_addr.address, btif_rc_cb.rc_addr);
 
-    if (interop_match(INTEROP_DISABLE_ABSOLUTE_VOLUME, &rc_addr))
-        btif_rc_cb.rc_features &= ~BTA_AV_FEAT_ADV_CTRL;
+    // TODO(eisenbach): If devices need to be blacklisted for absolute
+    // volume, it should be added to device/include/interop_database.h
+    // For now, everything goes... If blacklisting is necessary, exclude
+    // the following bit here:
+    //    btif_rc_cb.rc_features &= ~BTA_AV_FEAT_ADV_CTRL;
 
     if (btif_rc_cb.rc_features & BTA_AV_FEAT_BROWSE)
     {

device/include/interop.h

diff --git a/device/include/interop.h b/device/include/interop.h
index 883e245..b2b01bb 100644
--- a/device/include/interop.h
+++ b/device/include/interop.h
@@ -34,12 +34,7 @@
   // requiring multiple retries to complete pairing. To avoid degrading the user
   // experience for those devices, automatically re-try pairing if page
   // timeouts are received during pairing.
-  INTEROP_AUTO_RETRY_PAIRING,
-
-  // Devices requiring this workaround do not handle Bluetooth Absolute Volume
-  // control correctly, leading to undesirable (potentially harmful) volume levels
-  // or general lack of controlability.
-  INTEROP_DISABLE_ABSOLUTE_VOLUME
+  INTEROP_AUTO_RETRY_PAIRING
 } interop_feature_t;
 
 // Check if a given |addr| matches a known interoperability workaround as identified

device/include/interop_database.h

diff --git a/device/include/interop_database.h b/device/include/interop_database.h
index 58d5ba5..9148f68 100644
--- a/device/include/interop_database.h
+++ b/device/include/interop_database.h
@@ -43,21 +43,5 @@
   {{0x80, 0xe4, 0xda, 0x70,   0,0}, 4, INTEROP_DISABLE_LE_SECURE_CONNECTIONS},
 
   // BMW car kits (Harman/Becker)
-  {{0x9c, 0xdf, 0x03,       0,0,0}, 3, INTEROP_AUTO_RETRY_PAIRING},
-
-  // JayBird BlueBuds X - low granularity on volume control
-  {{0x44, 0x5e, 0xf3,       0,0,0}, 3, INTEROP_DISABLE_ABSOLUTE_VOLUME},
-
-  // LG Tone HBS-730 - unacceptably loud volume
-  {{0x00, 0x18, 0x6b,       0,0,0}, 3, INTEROP_DISABLE_ABSOLUTE_VOLUME},
-  {{0xb8, 0xad, 0x3e,       0,0,0}, 3, INTEROP_DISABLE_ABSOLUTE_VOLUME},
-
-  // LG Tone HV-800 - unacceptably loud volume
-  {{0xa0, 0xe9, 0xdb,       0,0,0}, 3, INTEROP_DISABLE_ABSOLUTE_VOLUME},
-
-  // SOL REPUBLIC Tracks Air - unable to adjust volume back off from max
-  {{0xa4, 0x15, 0x66,       0,0,0}, 3, INTEROP_DISABLE_ABSOLUTE_VOLUME},
-
-  // VW Car Kit - not enough granularity with volume
-  {{0x00, 0x26, 0x7e,       0,0,0}, 3, INTEROP_DISABLE_ABSOLUTE_VOLUME},
+  {{0x9c, 0xdf, 0x03,       0,0,0}, 3, INTEROP_AUTO_RETRY_PAIRING}
 };

device/src/interop.c

diff --git a/device/src/interop.c b/device/src/interop.c
index f25348a..605d7be 100644
--- a/device/src/interop.c
+++ b/device/src/interop.c
@@ -96,7 +96,6 @@
   switch (feature) {
     CASE_RETURN_STR(INTEROP_DISABLE_LE_SECURE_CONNECTIONS)
     CASE_RETURN_STR(INTEROP_AUTO_RETRY_PAIRING)
-    CASE_RETURN_STR(INTEROP_DISABLE_ABSOLUTE_VOLUME)
   }
 
   return "UNKNOWN";