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    全志T系列HDMI显示较暗

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    • S
      shuaige LV 6 last edited by

      Linux系统,HDMI做主显示的时候,显示较暗,,供电方面没什么问天,不知道什么原因导致的,有没有了解的大佬指导下

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        awwwwa LV 8 @shuaige last edited by

        @shuaige HDMI只输出数字信号,没有背光数据,看看是不是图像本来就比较暗

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          shuaige LV 6 @awwwwa last edited by

          @awwwwa
          有相应的显示接口,调整后有改善。该接口用于设置图像的亮度/对比度/饱和度/边缘锐度/细节增强/降噪的调节幅度
          echo 1 > /sys/class/disp/disp/attr/enhance_mode
          echo 80 > /sys/class/disp/disp/attr/enhance_bright

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            KoGu LV 4 @shuaige last edited by

            @shuaige 想问一下这些参数如何在设备树里面修改?我想直接烧录以后就不需要改动参数了。

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              shuaige LV 6 @laizh950 last edited by

              @laizh950 去修改对应的sys接口的储存数组

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