audio: check for ril presence before calling into it

This prevents a seg fault if no ril is present.

Change-Id: I5f9443e31bdcab07df21d9f12ed2dd92807300f8

1 files changed, 6 insertions, 7 deletions

diff --git a/audio/audio_hw.c b/audio/audio_hw.c
index 3da3cee..02b8d33 100644
--- a/audio/audio_hw.c
+++ b/audio/audio_hw.c
@@ -267,8 +267,7 @@ struct tuna_audio_device {
     int in_call;
 
     /* RIL */
-    void *ril_handle;
-    void *ril_client;
+    struct ril_handle ril;
 };
 
 struct tuna_stream_out {
@@ -355,8 +354,8 @@ static int start_call(struct tuna_audio_device *adev)
         }
     }
 
-    ril_set_call_clock_sync(adev->ril_client, SOUND_CLOCK_START);
-    ril_set_call_audio_path(adev->ril_client, SOUND_AUDIO_PATH_HANDSET);
+    ril_set_call_clock_sync(&adev->ril, SOUND_CLOCK_START);
+    ril_set_call_audio_path(&adev->ril, SOUND_AUDIO_PATH_HANDSET);
 
     pcm_start(adev->pcm_modem_dl);
     pcm_start(adev->pcm_modem_ul);
@@ -888,7 +887,7 @@ static int adev_set_voice_volume(struct audio_hw_device *dev, float volume)
     /* convert the float volume to something suitable for the RIL */
     if (adev->in_call) {
         int int_volume = (int)(volume * 5);
-        ril_set_call_volume(adev->ril_client, SOUND_TYPE_VOICE, int_volume);
+        ril_set_call_volume(&adev->ril, SOUND_TYPE_VOICE, int_volume);
     }
 
     return 0;
@@ -1032,7 +1031,7 @@ static int adev_close(hw_device_t *device)
     struct tuna_audio_device *adev = (struct tuna_audio_device *)device;
 
     /* RIL */
-    ril_close(adev->ril_handle, adev->ril_client);
+    ril_close(&adev->ril);
 
     mixer_close(adev->mixer);
     free(device);
@@ -1127,7 +1126,7 @@ static int adev_open(const hw_module_t* module, const char* name,
     adev->pcm_modem_ul = NULL;
 
     /* RIL */
-    ril_open(&adev->ril_handle, &adev->ril_client);
+    ril_open(&adev->ril);
 
     *device = &adev->device.common;