fix linux compile error

sipeed · Jul 18, 2024 · 7ee90d7 · 7ee90d7
1 parent c0f3894
commit 7ee90d7
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diff --git a/components/vision/port/linux/maix_rtsp_linux.cpp b/components/vision/port/linux/maix_rtsp_linux.cpp
@@ -88,6 +88,12 @@ namespace maix::rtsp
         return region.update_canvas();
     }
 
+    err::Err Rtsp::del_region(rtsp::Region *region) {
+        err::check_null_raise(region, "The region object is NULL");
+
+        return err::ERR_NOT_IMPL;
+    }
+
     err::Err Rtsp::draw_rect(int id, int x, int y, int width, int height, image::Color color, int thickness) {
         return err::ERR_NOT_IMPL;
     }

diff --git a/components/vision/port/maixcam/maix_display_mmf.hpp b/components/vision/port/maixcam/maix_display_mmf.hpp
@@ -255,6 +255,8 @@ namespace maix::display
             float max_duty = 50;
             _bl_pwm->duty(value * max_duty / 100.0);
             _bl_pwm->disable();
+            if(value == 0)
+                return;
             _bl_pwm->enable();
         }