[2/4]解决USB摄像头打开相机预览界面绿屏

liyujie

2025-08-28 d9927380ed7c8366f762049be9f3fee225860833

 android/hardware/aw/camera/3_4/allwinnertech/libAWIspApi/AWIspApi.cpp
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@@ -136,25 +136,25 @@
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     return NO_ERROR;
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 }
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-status_t AWIspApi::awIspGetInfoLength(int* i3a_length, int* debug_length)
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+int AWIspApi::awIspGetInfoLength(int* i3a_length, int* debug_length)
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 {
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     int ret = -1;
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     ret = isp_get_info_length(i3a_length, debug_length);
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-    return NO_ERROR;
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+    return ret;
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 }
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-status_t AWIspApi::awIspGet3AParameters(void * params)
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+int AWIspApi::awIspGet3AParameters(void * params)
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 {
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     int ret = -1;
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     ret = isp_get_3a_parameters(0, params);
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-    return NO_ERROR;
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+    return ret;
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 }
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-status_t AWIspApi::awIspGetDebugMessage(void * msg)
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+int AWIspApi::awIspGetDebugMessage(void * msg)
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 {
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     int ret = -1;
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     ret = isp_get_debug_msg(0, msg);
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-    return NO_ERROR;
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+    return ret;
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 }
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 int AWIspApi::awIspGetExposureTime(int isp_id)