From 4e16643aba888a1cff432643aa2e22eeb93605b8 Mon Sep 17 00:00:00 2001
From: dianlujitao <dianlujitao@lineageos.org>
Date: Thu, 18 Jan 2018 22:05:14 +0800
Subject: power: Remove mutex to hints

 * No longer needed.

Change-Id: I09fc90b4e5399b3f3b8a409edf3f57361da90100
---
 power-8998.c | 11 -----------
 1 file changed, 11 deletions(-)

(limited to 'power-8998.c')

diff --git a/power-8998.c b/power-8998.c
index e93c36a..913c764 100644
--- a/power-8998.c
+++ b/power-8998.c
@@ -35,7 +35,6 @@
 #include <fcntl.h>
 #include <dlfcn.h>
 #include <stdlib.h>
-#include <pthread.h>
 #include <unistd.h>
 
 #define LOG_TAG "QTI PowerHAL"
@@ -69,7 +68,6 @@ perf_mode_t perf_modes[NUM_PERF_MODES] = { { SUSTAINED_MODE, SUSTAINED_PERF_HINT
                                            { VR_MODE, VR_MODE_HINT },
                                            { VR_SUSTAINED_MODE, VR_MODE_SUSTAINED_PERF_HINT } };
 
-static pthread_mutex_t perf_mode_switch_lock = PTHREAD_MUTEX_INITIALIZER;
 static int current_mode = NORMAL_MODE;
 
 static inline  int get_perfd_hint_id(perf_mode_type_t type) {
@@ -110,20 +108,16 @@ static int switch_mode(perf_mode_type_t mode) {
 
 static int process_perf_hint(void *data, perf_mode_type_t mode) {
 
-    pthread_mutex_lock(&perf_mode_switch_lock);
-
     // enable
     if (data){
         ALOGI("Enable request for mode: 0x%x", mode);
         // check if mode is current mode
         if ( current_mode & mode ) {
-            pthread_mutex_unlock(&perf_mode_switch_lock);
             ALOGD("Mode 0x%x already enabled", mode);
             return HINT_HANDLED;
         }
         // enable requested mode
         if ( 0 != switch_mode(current_mode | mode)) {
-            pthread_mutex_unlock(&perf_mode_switch_lock);
             ALOGE("Couldn't enable mode 0x%x", mode);
             return HINT_NONE;
         }
@@ -134,13 +128,11 @@ static int process_perf_hint(void *data, perf_mode_type_t mode) {
         ALOGI("Disable request for mode: 0x%x", mode);
         // check if mode is enabled
         if ( !(current_mode & mode) ) {
-            pthread_mutex_unlock(&perf_mode_switch_lock);
             ALOGD("Mode 0x%x already disabled", mode);
             return HINT_HANDLED;
         }
         //disable requested mode
         if ( 0 != switch_mode(current_mode & ~mode)) {
-            pthread_mutex_unlock(&perf_mode_switch_lock);
             ALOGE("Couldn't disable mode 0x%x", mode);
             return HINT_NONE;
         }
@@ -148,7 +140,6 @@ static int process_perf_hint(void *data, perf_mode_type_t mode) {
         ALOGI("Current mode is 0x%x", current_mode);
     }
 
-    pthread_mutex_unlock(&perf_mode_switch_lock);
     return HINT_HANDLED;
 }
 
@@ -207,11 +198,9 @@ int power_hint_override(power_hint_t hint, void *data)
             ret_val = process_perf_hint(data, VR_MODE);
             break;
         case POWER_HINT_INTERACTION:
-            pthread_mutex_lock(&perf_mode_switch_lock);
             if (current_mode != NORMAL_MODE) {
                 ret_val = HINT_HANDLED;
             }
-            pthread_mutex_unlock(&perf_mode_switch_lock);
             break;
         default:
             break;
-- 
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