HAL: msm89{16,74} cleanup mixer on platform deinit
am: e35d4aff65

Change-Id: I9ffb19a2ab5c875f8b0f3c46645cc50873a4a2e8
diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index 65600ee..2fe6168 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -1054,6 +1054,7 @@
         free(info_item);
     }
 
+    mixer_close(my_data->adev->mixer);
     free(platform);
 }
 
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 7bbf168..0f3bcf0 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -1483,6 +1483,7 @@
         free(info_item);
     }
 
+    mixer_close(my_data->adev->mixer);
     free(platform);
 
     /* deinit usb */