tree bc0d714596d35a4e4447163fcbe6bd293fcb0365
parent 8d74f1099f641e2d533a7e2b0cfdc21652229bd0
author Tom Warren <twarren@nvidia.com> 1414016475 -0700
committer ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> 1420851078 +0000

sound: Add RT5677 codec driver (used on Ryu/A44)

I2S mode, bits, format, etc. is done, and a slam of
initial codec reg values (same as kernel driver) is done.
RT5677 support will be enabled in a follow-on CL.

Builds, runs, hear a bleep from the HP output!
But still no sound from mono speaker on P0/P1.
Need to debug speaker amp settings?

Note that this sets up I2S2 as master for the
speaker amp on Ryu (AD4567). Should go away when
Ryu P3 is ready (speakers are on PDM). May need more
tweaks for P3.

BUG=chrome-os-partner:32582
BRANCH=none
TEST=Try to beep via VbExBeep/Ctrl-U.

Change-Id: Ifa4533742b43b5042c3ff18bd57976dbc915e736
Signed-off-by: Tom Warren <twarren@nvidia.com>
Reviewed-on: https://chromium-review.googlesource.com/235000
Reviewed-by: Aaron Durbin <adurbin@chromium.org>