commit 30b7b6c17ad5d82ed99e8fb6bac23b781bca4fde
author Lopy Cheng <lopycheng@google.com> Thu Jul 30 10:51:39 2020 +0800
committer Lopy Cheng <lopycheng@google.com> Mon Nov 30 10:06:54 2020 +0800
tree 008f2204a9576d5c5bd573fba2ebf8b9707c222d
parent 61c660ffc112621cfe9ce2f861e456661c128889

dsi: adjust ELVSS dynamically for power saving

HBM mode    : Disable dynamic ELVSS.
LP mode     : Disable dynamic ELVSS.
Normal mode : Enable dynamic ELVSS. Change ELVSS
power according to Backlight status.

Bug: 160283004
Test:
1. Panel on <-> Panel off test.
2. Normal <-> HBM mode test.
3. Normal <-> AOD mode test.
4. AOD mode is covered by p-sensor.
5. Quick mode switch test between Normal/LP/HBM/Off
modes.

Change-Id: I0d7f5cb0d58260c223129222c2f40ebf55598bce
Signed-off-by: Lopy Cheng <lopycheng@google.com>