commit 32a62364ffa3b5ba108e1d0b4bd8cd5b649f3414
author Carter Hsu <carterhsu@google.com> Mon Oct 15 15:01:42 2018 -0700
committer Gerrit - the friendly Code Review server <code-review@localhost> Thu May 02 22:05:23 2019 -0700
tree c7869c518bd9236a04368dbb03e54a7065ee825c
parent 198adc001c0a8756f41ee28bcccf71f2922fe627

audio: support custom acdb for external device

add the specific external device setting in audio_platform_info.xml

For example:
<external_specific_dev>
    <ext_device name="SND_DEVICE_OUT_USB_HEADSET" usbid="18d1:5034" acdb_id="10" />
</external_specific_dev>

Bug: 117336751
Test: manual test ok
Change-Id: Ie9abcadd9bcd6d06c5d8f0a9807c3935ee4a1d35
Signed-off-by: Carter Hsu <carterhsu@google.com>
Signed-off-by: Robert Lee <lerobert@google.com>
(cherry picked from commit 017c63ae09841070e587d0f9f5c396efcb07e46d)

hal/msm8916/platform.c

diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index 7b15f53..1cb3c1d 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -3154,6 +3154,13 @@
     return ret;
 }
 
+void platform_add_external_specific_device(snd_device_t snd_device __unused,
+                                           const char *name __unused,
+                                           unsigned int acdb_id __unused)
+{
+    return;
+}
+
 int platform_get_snd_device_index(char *device_name)
 {
     return find_index(snd_device_name_index, SND_DEVICE_MAX, device_name);