tree e2901d7aa7c114c5223962dea6c3589df394768d
parent ef40adb85bb92bdb7155de910b2c51ed4cf52270
author kunleiz <kunleiz@codeaurora.org> 1545379292 +0800
committer kunleiz <kunleiz@codeaurora.org> 1550205135 +0800

hal: set different echo reference based on output device

1. Set specific echo reference when using different
   output device.
2. Set default echo reference when specific echo
   reference route path does not exist.

CRs-Fixed: 2366229
Change-Id: I0b75bf2a0ee54bb5110b663fb86482b939793c98