audioflinger: Add support for the LGE star's FM radio

Unlike qcom, FM isn't enabled by setting a magic output device,
but by setting a specific FM audio mode. So set that mode instead
of using the qcom logic of output routing.

Change-Id: Ie5851b33aa9260dee6183be894a600db7a98350c

2 files changed, 25 insertions, 1 deletions

diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index b3f0e13..cf424be 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -477,6 +477,13 @@ status_t AudioFlinger::setMode(int mode)
         return BAD_VALUE;
     }
 
+#ifdef HAS_LGE_STAR_FM_RADIO
+    if (mode == AudioSystem::MODE_FM) {
+        mFmOn = true;
+    } else if (mFmOn) {
+        mFmOn = false;
+    }
+#endif
     { // scope for the lock
         AutoMutex lock(mHardwareLock);
         mHardwareStatus = AUDIO_HW_SET_MODE;
@@ -680,7 +687,7 @@ status_t AudioFlinger::setParameters(int ioHandle, const String8& keyValuePairs)
         }
     }
 #endif
-#ifdef HAVE_FM_RADIO
+#if defined(HAVE_FM_RADIO) && !defined(HAS_LGE_STAR_FM_RADIO)
     AudioParameter param = AudioParameter(keyValuePairs);
     String8 key = String8(AudioParameter::keyRouting);
     int device;
diff --git a/services/audioflinger/AudioPolicyService.cpp b/services/audioflinger/AudioPolicyService.cpp
index c5fac14..ae08058 100644
--- a/services/audioflinger/AudioPolicyService.cpp
+++ b/services/audioflinger/AudioPolicyService.cpp
@@ -124,6 +124,16 @@ status_t AudioPolicyService::setDeviceConnectionState(AudioSystem::audio_devices
         return BAD_VALUE;
     }
 
+#ifdef HAS_LGE_STAR_FM_RADIO
+    if (device & AudioSystem::DEVICE_OUT_FM) {
+        if (state == AudioSystem::DEVICE_STATE_AVAILABLE) {
+            setPhoneState(AudioSystem::MODE_FM);
+        } else {
+            setPhoneState(AudioSystem::MODE_NORMAL);
+        }
+    }
+#endif
+
     LOGV("setDeviceConnectionState() tid %d", gettid());
     Mutex::Autolock _l(mLock);
     return mpPolicyManager->setDeviceConnectionState(device, state, device_address);
@@ -325,6 +335,13 @@ status_t AudioPolicyService::setStreamVolumeIndex(AudioSystem::stream_type strea
     if (!checkPermission()) {
         return PERMISSION_DENIED;
     }
+#ifdef HAS_LGE_STAR_FM_RADIO
+    /* The star's audio HAL has STREAM_FM as 8. The java layer
+     * sends CM's "standard" STREAM_FM as 10, convert it here */
+    if (stream == AudioSystem::FM) {
+        stream=(AudioSystem::stream_type)8;
+    }
+#endif
     if (stream < 0 || stream >= AudioSystem::NUM_STREAM_TYPES) {
         return BAD_VALUE;
     }