vibrator: Simplify soc check and drop prop dep

[npjohnson]: adapt to reflect 18.1 upstream merges as well as
include now required headers.

Change-Id: I8581d22deac451d0c44e4b3135d2729da2865a36

aidl/vibrator/Android.bp

@@ -13,7 +13,6 @@ cc_library_shared {
         "libutils",
         "liblog",
         "libqtivibratoreffect",
-        "libsoc_helper",
         "libbinder_ndk",
         "android.hardware.vibrator-V1-ndk_platform",
     ],
@@ -56,7 +55,6 @@ cc_library_shared {
         "liblog",
         "libqtivibratoreffect",
         "libqtivibratoreffectoffload",
-        "libsoc_helper",
         "libbinder_ndk",
         "android.hardware.vibrator-V1-ndk_platform",
     ],

aidl/vibrator/Vibrator.cpp

@@ -29,6 +29,7 @@
 
 #define LOG_TAG "vendor.qti.vibrator"
 
+#include <cutils/properties.h>
 #include <dirent.h>
 #include <inttypes.h>
 #include <linux/input.h>
@@ -42,9 +43,6 @@
 #include "effect.h"
 #endif
 
-extern "C" {
-#include "libsoc_helper.h"
-}
 namespace aidl {
 namespace android {
 namespace hardware {
@@ -57,6 +55,13 @@ namespace vibrator {
 #define CUSTOM_DATA_LEN         3
 #define NAME_BUF_SIZE           32
 
+#define MSM_CPU_LAHAINA         415
+#define APQ_CPU_LAHAINA         439
+#define MSM_CPU_SHIMA           450
+#define MSM_CPU_SM8325          501
+#define APQ_CPU_SM8325P         502
+#define MSM_CPU_YUPIK           475
+
 #define test_bit(bit, array)    ((array)[(bit)/8] & (1<<((bit)%8)))
 
 static const char LED_DEVICE[] = "/sys/class/leds/vibrator";
@@ -64,13 +69,14 @@ static const char LED_DEVICE[] = "/sys/class/leds/vibrator";
 InputFFDevice::InputFFDevice()
 {
     DIR *dp;
+    FILE *fp = NULL;
     struct dirent *dir;
     uint8_t ffBitmask[FF_CNT / 8];
     char devicename[PATH_MAX];
     const char *INPUT_DIR = "/dev/input/";
     char name[NAME_BUF_SIZE];
     int fd, ret;
-    soc_info_v0_1_t soc = {MSM_CPU_UNKNOWN};
+    int soc = property_get_int32("ro.vendor.qti.soc_id", -1);
 
     mVibraFd = INVALID_VALUE;
     mSupportGain = false;
@@ -129,9 +135,11 @@ InputFFDevice::InputFFDevice()
             if (test_bit(FF_GAIN, ffBitmask))
                 mSupportGain = true;
 
-            get_soc_info(&soc);
-            ALOGD("msm CPU SoC ID: %d\n", soc.msm_cpu);
-            switch (soc.msm_cpu) {
+            if (soc <= 0 && (fp = fopen("/sys/devices/soc0/soc_id", "r")) != NULL) {
+                fscanf(fp, "%u", &soc);
+                fclose(fp);
+            }
+            switch (soc) {
             case MSM_CPU_LAHAINA:
             case APQ_CPU_LAHAINA:
             case MSM_CPU_SHIMA:

aidl/vibrator/VibratorOffload.cpp

@@ -45,10 +45,6 @@
 #include "include/Vibrator.h"
 #include "VibratorPatterns.h"
 
-extern "C" {
-#include "libsoc_helper.h"
-}
-
 namespace aidl {
 namespace android {
 namespace hardware {