hardware: Add new getFeature() function to Power HAL

 * The current use case for this is to query the power HAL for
   the number of supported profiles.

Change-Id: I0b4137dda8d98d167d9c6446072bdbe1245ae2f5

1 files changed, 8 insertions, 1 deletions

diff --git a/include/hardware/power.h b/include/hardware/power.h
index c0fcba1..11ec3b8 100644
--- a/include/hardware/power.h
+++ b/include/hardware/power.h
@@ -56,7 +56,8 @@ typedef enum {
 } power_hint_t;
 
 typedef enum {
-    POWER_FEATURE_DOUBLE_TAP_TO_WAKE = 0x00000001
+    POWER_FEATURE_DOUBLE_TAP_TO_WAKE = 0x00000001,
+    POWER_FEATURE_SUPPORTED_PROFILES = 0x00001000
 } feature_t;
 
 /**
@@ -159,6 +160,12 @@ typedef struct power_module {
      */
     void (*setFeature)(struct power_module *module, feature_t feature, int state);
 
+    /*
+     * (*getFeature) is called to get the current value of a particular
+     * feature or capability from the hardware or PowerHAL
+     */
+    int (*getFeature)(struct power_module *module, feature_t feature);
+
 } power_module_t;