sm8450-common: udfps: Simplify display request ioctl struct

Change-Id: I99db6477dd6c14aab5e60bce841b48b68cd36b1d

udfps/UdfpsHandler.cpp

@@ -68,6 +68,11 @@ static disp_event_resp* parseDispEvent(int fd) {
     return response;
 }
 
+struct disp_base displayBasePrimary = {
+        .flag = 0,
+        .disp_id = MI_DISP_PRIMARY,
+};
+
 }  // anonymous namespace
 
 class XiaomiSm8450UdfpsHander : public UdfpsHandler {
@@ -145,11 +150,11 @@ class XiaomiSm8450UdfpsHander : public UdfpsHandler {
         ioctl(touch_fd_.get(), TOUCH_IOC_SET_CUR_VALUE, &touchRequest);
 
         // Request HBM
-        disp_local_hbm_req req;
-        req.base.flag = 0;
-        req.base.disp_id = MI_DISP_PRIMARY;
-        req.local_hbm_value = LHBM_TARGET_BRIGHTNESS_WHITE_1000NIT;
-        ioctl(disp_fd_.get(), MI_DISP_IOCTL_SET_LOCAL_HBM, &req);
+        struct disp_local_hbm_req displayLhbmRequest = {
+                .base = displayBasePrimary,
+                .local_hbm_value = LHBM_TARGET_BRIGHTNESS_WHITE_1000NIT,
+        };
+        ioctl(disp_fd_.get(), MI_DISP_IOCTL_SET_LOCAL_HBM, &displayLhbmRequest);
     }
 
     void onFingerUp() {
@@ -160,11 +165,11 @@ class XiaomiSm8450UdfpsHander : public UdfpsHandler {
         mDevice->extCmd(mDevice, COMMAND_FOD_PRESS_STATUS, PARAM_FOD_RELEASED);
 
         // Disable HBM
-        disp_local_hbm_req req;
-        req.base.flag = 0;
-        req.base.disp_id = MI_DISP_PRIMARY;
-        req.local_hbm_value = LHBM_TARGET_BRIGHTNESS_OFF_FINGER_UP;
-        ioctl(disp_fd_.get(), MI_DISP_IOCTL_SET_LOCAL_HBM, &req);
+        struct disp_local_hbm_req displayLhbmRequest = {
+                .base = displayBasePrimary,
+                .local_hbm_value = LHBM_TARGET_BRIGHTNESS_OFF_FINGER_UP,
+        };
+        ioctl(disp_fd_.get(), MI_DISP_IOCTL_SET_LOCAL_HBM, &displayLhbmRequest);
 
         // Update fod_finger_state node in case hwmodule polls it
         struct touch_mode_request touchRequest = {
@@ -181,9 +186,7 @@ class XiaomiSm8450UdfpsHander : public UdfpsHandler {
         }
     }
 
-    void cancel() {
-        LOG(DEBUG) << __func__;
-    }
+    void cancel() { LOG(DEBUG) << __func__; }
 
   private:
     fingerprint_device_t* mDevice;