haptics: Implement constant effect for heavy click

This patch implements support for heavy click effect which has the
following UX requirements:

- 8 ms in square wave and full amplitude for Walleye
- 12 ms in square wave and full amplitude for Taimen

Bug: 77863933
Test: manual long press test
Change-Id: Ibc30117fecb234a6b400123e5f18a7c100ae36cb
Signed-off-by: David Lin <dtwlin@google.com>

sepolicy/vendor/property_contexts

@@ -164,6 +164,7 @@ ro.vendor.build.svn        u:object_r:vendor_default_prop:s0
 ro.vendor.extension_library  u:object_r:vendor_default_prop:s0
 ro.vibrator.hal.click.duration  u:object_r:vendor_default_prop:s0
 ro.vibrator.hal.tick.duration  u:object_r:vendor_default_prop:s0
+ro.vibrator.hal.heavyclick.duration  u:object_r:vendor_default_prop:s0
 sdm.                       u:object_r:vendor_default_prop:s0
 sys.disable_ext_animation  u:object_r:vendor_default_prop:s0
 sys.display.low_persistence_mode_brightness  u:object_r:vendor_default_prop:s0

vibrator/Vibrator.cpp

@@ -42,18 +42,22 @@ static constexpr int8_t MIN_RTP_INPUT = 0;
 static constexpr char RTP_MODE[] = "rtp";
 static constexpr char WAVEFORM_MODE[] = "waveform";
 
-// Use effect #1 in the waveform library
+// Use effect #1 in the waveform library for CLICK effect
 static constexpr char WAVEFORM_CLICK_EFFECT_SEQ[] = "1 0";
 static constexpr int32_t WAVEFORM_CLICK_EFFECT_MS = 6;
 
-// Use effect #2 in the waveform library
+// Use effect #2 in the waveform library for TICK effect
 static constexpr char WAVEFORM_TICK_EFFECT_SEQ[] = "2 0";
 static constexpr int32_t WAVEFORM_TICK_EFFECT_MS = 2;
 
-// Use effect #3 in the waveform library
+// Use effect #3 in the waveform library for DOUBLE_CLICK effect
 static constexpr char WAVEFORM_DOUBLE_CLICK_EFFECT_SEQ[] = "3 0";
 static constexpr uint32_t WAVEFORM_DOUBLE_CLICK_EFFECT_MS = 135;
 
+// Use effect #4 in the waveform library for HEAVY_CLICK effect
+static constexpr char WAVEFORM_HEAVY_CLICK_EFFECT_SEQ[] = "4 0";
+static constexpr uint32_t WAVEFORM_HEAVY_CLICK_EFFECT_MS = 8;
+
 // Timeout threshold for selecting open or closed loop mode
 static constexpr int8_t LOOP_MODE_THRESHOLD_MS = 20;
 
@@ -76,6 +80,8 @@ Vibrator::Vibrator(std::ofstream&& activate, std::ofstream&& duration,
 
     mClickDuration = property_get_int32("ro.vibrator.hal.click.duration", WAVEFORM_CLICK_EFFECT_MS);
     mTickDuration = property_get_int32("ro.vibrator.hal.tick.duration", WAVEFORM_TICK_EFFECT_MS);
+    mHeavyClickDuration = property_get_int32(
+        "ro.vibrator.hal.heavyclick.duration", WAVEFORM_HEAVY_CLICK_EFFECT_MS);
 
     // This enables effect #1 from the waveform library to be triggered by SLPI
     // while the AP is in suspend mode
@@ -199,6 +205,10 @@ Return<void> Vibrator::performEffect(Effect effect, EffectStrength strength, per
         mSequencer << WAVEFORM_TICK_EFFECT_SEQ << std::endl;
         timeMS = mTickDuration;
         break;
+    case Effect::HEAVY_CLICK:
+        mSequencer << WAVEFORM_HEAVY_CLICK_EFFECT_SEQ << std::endl;
+        timeMS = mHeavyClickDuration;
+        break;
     default:
         _hidl_cb(Status::UNSUPPORTED_OPERATION, 0);
         return Void();

vibrator/Vibrator.h

@@ -62,6 +62,7 @@ private:
     std::ofstream mLpTriggerEffect;
     int32_t mClickDuration;
     int32_t mTickDuration;
+    int32_t mHeavyClickDuration;
 };
 }  // namespace implementation
 }  // namespace V1_2