From c1fde67d0afd10de01d5e7c83f0a0c6e1eb703ee Mon Sep 17 00:00:00 2001
From: yangjiaxuan <171295266@qq.com>
Date: Wed, 5 Jul 2023 21:55:00 +0800
Subject: [PATCH] =?UTF-8?q?=E8=8E=B7=E5=8F=96=E8=89=B2=E8=B0=83=E6=9B=B2?=
 =?UTF-8?q?=E7=BA=BF=E6=97=B6=E9=95=BF=E5=BA=A6=E9=94=99=E8=AF=AF?=
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---
 hgdriver/hgdev/hg_scanner.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index dceeb01..be79da3 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -3978,7 +3978,7 @@ int hg_scanner::device_io_control(unsigned long code, void* data, unsigned* len)
 
 		memcpy(v, custom_gamma_val_, sizeof(*custom_gamma_val_));
 		if (len)
-			*len = image_prc_param_.bits.color_mode;
+			*len = sizeof(*custom_gamma_val_);
 
 		return SCANNER_ERR_OK;
 	}