audio: add locks, only tear down PCMs when needed for WB AMR
Change-Id: I03ba325b613aef21dba8d16187aaccca08d2a328
diff --git a/audio/audio_hw.c b/audio/audio_hw.c
index e70f767..e954fbe 100755
--- a/audio/audio_hw.c
+++ b/audio/audio_hw.c
@@ -623,13 +623,18 @@
void audio_set_wb_amr_callback(void *data, int enable)
{
struct tuna_audio_device *adev = (struct tuna_audio_device *)data;
- adev->wb_amr = enable;
- /* reopen the modem PCMs at the new rate */
- if (adev->in_call) {
- end_call(adev);
- start_call(adev);
+ pthread_mutex_lock(&adev->lock);
+ if (adev->wb_amr != enable) {
+ adev->wb_amr = enable;
+
+ /* reopen the modem PCMs at the new rate */
+ if (adev->in_call) {
+ end_call(adev);
+ start_call(adev);
+ }
}
+ pthread_mutex_unlock(&adev->lock);
}
static void set_incall_device(struct tuna_audio_device *adev)
