commit 640676e036d50b68d2fe7e312cff149ceea7aec9
author Ruchi Kandoi <kandoiruchi@google.com> Fri Oct 07 19:29:28 2016 -0700
committer Ruchi Kandoi <kandoiruchi@google.com> Fri Oct 14 01:00:55 2016 +0000
tree d5a058a0a8b2cd3d5ea12e58afcf094d425a25ca
parent 0ace9939dd14c50343f3829391d4f7278b2e6c0e

power: Make powerHAL compatible for passthrough HIDL design

Test: power hint is received
Bug: 31177288
Bug: 32158500
Change-Id: Ia65f6b50d091a02199565af1d8855ec7473e7323
Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>

common/base.mk

diff --git a/common/base.mk b/common/base.mk
index 66e609e..cee9ae4 100644
--- a/common/base.mk
+++ b/common/base.mk
@@ -470,6 +470,10 @@
 
 #LIBPOWER
 LIBPOWER := power.$(patsubst %f,%,$(subst _eas,,$(subst aosp_,,$(TARGET_PRODUCT))))
+LIBPOWER += android.hardware.power@1.0-impl
+ifeq ($(ENABLE_TREBLE), true)
+LIBPOWER += android.hardware.power@1.0-service
+endif
 
 #LLVM for RenderScript
 #use qcom LLVM

power/power.c

diff --git a/power/power.c b/power/power.c
index 1cc28df..27a3bd8 100644
--- a/power/power.c
+++ b/power/power.c
@@ -104,10 +104,6 @@
 static struct timespec s_previous_boost_timespec;
 static int s_previous_duration;
 
-static struct hw_module_methods_t power_module_methods = {
-    .open = NULL,
-};
-
 static void power_init(struct power_module *module)
 {
     ALOGI("QCOM power HAL initing.");
@@ -793,6 +789,44 @@
     return 0;
 }
 
+static int power_open(const hw_module_t* module, const char* name,
+                    hw_device_t** device)
+{
+    ALOGD("%s: enter; name=%s", __FUNCTION__, name);
+    int retval = 0; /* 0 is ok; -1 is error */
+
+    if (strcmp(name, POWER_HARDWARE_MODULE_ID) == 0) {
+        power_module_t *dev = (power_module_t *)calloc(1,
+                sizeof(power_module_t));
+
+        if (dev) {
+            /* Common hw_device_t fields */
+            dev->common.tag = HARDWARE_MODULE_TAG;
+            dev->common.module_api_version = POWER_MODULE_API_VERSION_0_5;
+            dev->common.module_api_version = HARDWARE_HAL_API_VERSION;
+
+            dev->init = power_init;
+            dev->powerHint = power_hint;
+            dev->setInteractive = set_interactive;
+            dev->get_number_of_platform_modes = get_number_of_platform_modes;
+            dev->get_platform_low_power_stats = get_platform_low_power_stats;
+            dev->get_voter_list = get_voter_list;
+
+            *device = (hw_device_t*)dev;
+        } else
+            retval = -ENOMEM;
+    } else {
+        retval = -EINVAL;
+    }
+
+    ALOGD("%s: exit %d", __FUNCTION__, retval);
+    return retval;
+}
+
+static struct hw_module_methods_t power_module_methods = {
+    .open = power_open,
+};
+
 struct power_module HAL_MODULE_INFO_SYM = {
     .common = {
         .tag = HARDWARE_MODULE_TAG,