tree ddddd0ed11c8de675cba03e8407f9fe0f0a20a65
parent 723c9260293a48dba8e39e5bf504b8801c206db3
author Eric Laurent <elaurent@google.com> 1523409694 -0700
committer Eric Laurent <elaurent@google.com> 1523550934 -0700

audio hal: mmap capture mute

Implement in_set_gain() input stream method for mmap capture
use case only in order to enable silencing the memory mapped
capture buffer at the source.

Bug: 72134552
Test: manual
Change-Id: Ifda75ebb47b31cc2f35e7b68761dcc11f084282b