From 623f59e656694b94d0dd19db1cd67dcf01784afc Mon Sep 17 00:00:00 2001
From: SamarV-121 <samarvispute121@gmail.com>
Date: Fri, 1 Jan 2021 20:31:40 +0530
Subject: [PATCH] sdm710-common: power-libperfmgr: Enable dt2w

Signed-off-by: SamarV-121 <samarvispute121@gmail.com>
---
 power-libperfmgr/aidl/Power.cpp | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/power-libperfmgr/aidl/Power.cpp b/power-libperfmgr/aidl/Power.cpp
index babc0ad..5d2c9f5 100644
--- a/power-libperfmgr/aidl/Power.cpp
+++ b/power-libperfmgr/aidl/Power.cpp
@@ -76,6 +76,32 @@ Power::Power(std::shared_ptr<DisplayLowPower> dlpw, std::shared_ptr<AdaptiveCpu>
     }
 }
 
+static int sysfs_write(const char *path, const char *s)
+{
+    char buf[80];
+    int len;
+    int ret = 0;
+    int fd = open(path, O_WRONLY);
+
+    if (fd < 0) {
+        strerror_r(errno, buf, sizeof(buf));
+        ALOGE("Error opening %s: %s\n", path, buf);
+        return -1 ;
+    }
+
+    len = write(fd, s, strlen(s));
+    if (len < 0) {
+        strerror_r(errno, buf, sizeof(buf));
+        ALOGE("Error writing to %s: %s\n", path, buf);
+
+        ret = -1;
+    }
+
+    close(fd);
+
+    return ret;
+}
+
 ndk::ScopedAStatus Power::setMode(Mode type, bool enabled) {
     LOG(DEBUG) << "Power setMode: " << toString(type) << " to: " << enabled;
     if (HintManager::GetInstance()->GetAdpfProfile() &&
@@ -97,7 +123,10 @@ ndk::ScopedAStatus Power::setMode(Mode type, bool enabled) {
             }
             [[fallthrough]];
         case Mode::DOUBLE_TAP_TO_WAKE:
-            [[fallthrough]];
+            {
+            sysfs_write("/sys/class/touch/tp_dev/gesture_on", enabled ? "1" : "0");
+            }
+            break;
         case Mode::FIXED_PERFORMANCE:
             [[fallthrough]];
         case Mode::EXPENSIVE_RENDERING: