Add some empty lights functions

Bug: 27381177

Change-Id: Ia8e4bf8394032f7ec6d700e0bfb9281085ce3cd0

2 files changed, 28 insertions, 2 deletions

diff --git a/lights/Android.mk b/lights/Android.mk
index 1aea964..1c488d3 100644
--- a/lights/Android.mk
+++ b/lights/Android.mk
@@ -18,7 +18,7 @@ include $(CLEAR_VARS)
 LOCAL_SRC_FILES := lights.c
 LOCAL_MODULE_RELATIVE_PATH := hw
 LOCAL_SHARED_LIBRARIES := liblog
-LOCAL_CFLAGS := $(common_flags) -DLOG_TAG=\"lights\"
+LOCAL_CFLAGS := $(common_flags) -Wno-unused-parameter -DLOG_TAG=\"lights\"
 LOCAL_MODULE := lights.$(TARGET_BOARD_PLATFORM)
 LOCAL_MODULE_TAGS := optional
 
diff --git a/lights/lights.c b/lights/lights.c
index 1bd19f5..3ea4191 100644
--- a/lights/lights.c
+++ b/lights/lights.c
@@ -68,12 +68,29 @@ static int set_light_notifications(struct light_device_t* dev,
     if(!dev) {
         return -1;
     }
+
     pthread_mutex_lock(&g_lock);
-    err = write_int(LED1_LED_FILE, SET_LIGHT(state->color));
+    switch (state->flashMode) {
+        case LIGHT_FLASH_NONE:
+            err = write_int(LED1_LED_FILE, SET_LIGHT(state->color));
+            break;
+
+        /** Doesn't support flash. */
+        case LIGHT_FLASH_TIMED:
+        default:
+            err = -EINVAL;
+    }
     pthread_mutex_unlock(&g_lock);
     return err;
 }
 
+/** Not available on Kylin. */
+static int set_light_unavailable(struct light_device_t* dev,
+        struct light_state_t const* state)
+{
+    return -EINVAL;
+}
+
 /** Close the lights device */
 static int close_lights(struct light_device_t *dev)
 {
@@ -99,6 +116,15 @@ static int open_lights(const struct hw_module_t* module, char const* name,
 
     if (0 == strcmp(LIGHT_ID_NOTIFICATIONS, name))
         set_light = set_light_notifications;
+    else if (0 == strcmp(LIGHT_ID_ATTENTION, name))
+        set_light = set_light_notifications;
+    else if (0 == strcmp(LIGHT_ID_BUTTONS, name))
+        set_light = set_light_unavailable;
+    else if (0 == strcmp(LIGHT_ID_BLUETOOTH, name))
+        set_light = set_light_unavailable;
+    else if (0 == strcmp(LIGHT_ID_WIFI, name))
+        set_light = set_light_unavailable;
+    else
         return -EINVAL;
 
     pthread_once(&g_init, init_globals);