diff --git a/include/drmhwcgralloc.h b/include/drmhwcgralloc.h
index 958a636..949912d 100644
--- a/include/drmhwcgralloc.h
+++ b/include/drmhwcgralloc.h
@@ -19,22 +19,24 @@
 
 #include <cstdint>
 
-#define HWC_DRM_BO_MAX_PLANES 4
-struct hwc_drm_bo {
+constexpr int kHwcDrmBoMaxPlanes = 4;
+
+struct HwcDrmBo {
   uint32_t width;
   uint32_t height;
   uint32_t format;     /* DRM_FORMAT_* from drm_fourcc.h */
   uint32_t hal_format; /* HAL_PIXEL_FORMAT_* */
   uint32_t usage;
-  uint32_t pitches[HWC_DRM_BO_MAX_PLANES];
-  uint32_t offsets[HWC_DRM_BO_MAX_PLANES];
+  uint32_t pitches[kHwcDrmBoMaxPlanes];
+  uint32_t offsets[kHwcDrmBoMaxPlanes];
   /* sizes[] is used only by mapper@4 metadata getter for internal purposes */
-  uint32_t sizes[HWC_DRM_BO_MAX_PLANES];
-  int prime_fds[HWC_DRM_BO_MAX_PLANES];
-  uint64_t modifiers[HWC_DRM_BO_MAX_PLANES];
+  uint32_t sizes[kHwcDrmBoMaxPlanes];
+  int prime_fds[kHwcDrmBoMaxPlanes];
+  uint64_t modifiers[kHwcDrmBoMaxPlanes];
   int acquire_fence_fd;
 };
 
-using hwc_drm_bo_t = hwc_drm_bo;
+// NOLINTNEXTLINE(readability-identifier-naming)
+using hwc_drm_bo_t = HwcDrmBo;
 
 #endif  // ANDROID_DRMHWCGRALLOC_H_
diff --git a/include/drmhwcomposer.h b/include/drmhwcomposer.h
index 75a5b39..4fb0efd 100644
--- a/include/drmhwcomposer.h
+++ b/include/drmhwcomposer.h
@@ -63,12 +63,12 @@
 struct DrmHwcLayer {
   buffer_handle_t sf_handle = nullptr;
   hwc_drm_bo_t buffer_info{};
-  std::shared_ptr<DrmFbIdHandle> FbIdHandle;
+  std::shared_ptr<DrmFbIdHandle> fb_id_handle;
 
   int gralloc_buffer_usage = 0;
   DrmHwcTransform transform{};
   DrmHwcBlending blending = DrmHwcBlending::kNone;
-  uint16_t alpha = 0xffff;
+  uint16_t alpha = UINT16_MAX;
   hwc_frect_t source_crop;
   hwc_rect_t display_frame;
   DrmHwcColorSpace color_space;
@@ -76,9 +76,9 @@
 
   UniqueFd acquire_fence;
 
-  int ImportBuffer(DrmDevice *drmDevice);
+  int ImportBuffer(DrmDevice *drm_device);
 
-  bool protected_usage() const {
+  bool IsProtected() const {
     return (gralloc_buffer_usage & GRALLOC_USAGE_PROTECTED) ==
            GRALLOC_USAGE_PROTECTED;
   }