tree e842a5f9b16f3259c04e9c4e61739f91f6ae2764
parent 4c1f2c72a1d92c6e04349d0233d09d799610f866
author Chris Wang <Chris_Wang@wiwynn.com> 1711447159 +0800
committer Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com> 1715665935 +0800

fw_update: Add encode req & decode resp for query_downtream_identifiers

Add support for Query Downstream Identifiers to ask all downstream
devices' Descriptors managed by a endpoint.

The code is developed based on the definition of
'QueryDownstreamIdentifiers' in DSP0267_1.1.0 Section 10.4

Change-Id: I6282a894c73b78470c147e77d81e5a4ddd6a39a8
Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>