From 142e957507bc01d6113cf948102fa54e30041b04 Mon Sep 17 00:00:00 2001
From: yangjiaxuan <171295266@qq.com>
Date: Wed, 8 Nov 2023 14:52:12 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A7=A3=E5=86=B3=E5=8B=BE=E9=80=89=E8=89=B2?=
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---
 hgdriver/hgdev/hg_scanner.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hgdriver/hgdev/hg_scanner.cpp b/hgdriver/hgdev/hg_scanner.cpp
index b35f914..f79ba11 100644
--- a/hgdriver/hgdev/hg_scanner.cpp
+++ b/hgdriver/hgdev/hg_scanner.cpp
@@ -1525,6 +1525,10 @@ int hg_scanner::setting_restore(void* data, long* len)
 				restore(v.first.c_str());
 		}
 	}
+	memset(custom_gamma_val_, 0, sizeof(SANE_Gamma));
+	for (int i = 0; i < ARRAY_SIZE(custom_gamma_val_->table); ++i)
+		custom_gamma_val_->table[i] = i & 0x0ff;
+
 	notify_setting_result_ = true;
 
 	return SCANNER_ERR_CONFIGURATION_CHANGED;