From dba70894eaea1484895265006a9cd70560dd801a Mon Sep 17 00:00:00 2001
From: Alexander Koskovich <zvnexus@outlook.com>
Date: Sun, 17 Jan 2021 23:44:43 -0700
Subject: [PATCH] sm8250-common: Set gain of vibrator to 0x55 on boot

 * Seems better than the default of 0x80, vibrator is
   a bit too strong by default.

Change-Id: I676b74aac3cbc1900c73b3236879479e8ecfca00
---
 rootdir/etc/init.target.rc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/rootdir/etc/init.target.rc b/rootdir/etc/init.target.rc
index 194e053..f71708d 100644
--- a/rootdir/etc/init.target.rc
+++ b/rootdir/etc/init.target.rc
@@ -161,6 +161,10 @@ chown system system /proc/rpmh_modem/sleepinfo
 chmod 0660 /proc/rpmh_modem/sleepinfo
 # endif /* VENDOR_EDIT */
 
+    # Reduce default vibrator gain from 0x80 to 0x55,
+    # also allow gain customization via persistent property
+    write /sys/class/leds/vibrator/gain ${persist.vendor.vib.gain:-0x55}
+
 on property:vendor.display.lcd_density=560
    setprop dalvik.vm.heapgrowthlimit 256m