audio: kcontrol to set digital mode [2/4]

PD#SWPL-137621

Problem:
there is no audio server, need use mixer control to control digital mode.

Solution:
1) kcontrol named "Audio Digital Mode";
2) test usage: test_audiosetting mode "AML_HAL_XXX"; test_audiosetting mode;

Verify:
S805C1-BG201

Change-Id: I56eeef640baa6977e1f42cde8c375291fac22561
Signed-off-by: haiyang.ren <haiyang.ren@amlogic.com>
3 files changed
tree: 4ec4548fe9fb99af138bd37c81af2ccc0851fb42
  1. include/
  2. src/
  3. Makefile