1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_contrast.c b/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_contrast.c
new file mode 100644
index 00000000..36f7750d
--- /dev/null
+++ b/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_contrast.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2012 Spreadtrum Communications Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/uaccess.h>
+#include <linux/sprd_mm.h>
+#include <video/sprd_isp.h>
+#include "isp_reg.h"
+
+static int32_t isp_k_contrast_block(struct isp_io_param *param)
+{
+	int32_t ret = 0;
+	struct isp_dev_contrast_info contrast_info;
+
+	memset(&contrast_info, 0x00, sizeof(contrast_info));
+
+	ret = copy_from_user((void *)&contrast_info, param->property_param, sizeof(contrast_info));
+	if (0 != ret) {
+		printk("isp_k_contrast_block: copy error, ret=0x%x\n", (uint32_t)ret);
+		return -1;
+	}
+
+	REG_MWR(ISP_CONTRAST_PARAM, 0x1FE, (contrast_info.factor << 1));
+
+	if (contrast_info.bypass) {
+		REG_OWR(ISP_CONTRAST_PARAM, BIT_0);
+	} else {
+		REG_MWR(ISP_CONTRAST_PARAM, BIT_0, 0);
+	}
+
+	return ret;
+}
+
+int32_t isp_k_cfg_contrast(struct isp_io_param *param)
+{
+	int32_t ret = 0;
+
+	if (!param) {
+		printk("isp_k_cfg_contrast: param is null error.\n");
+		return -1;
+	}
+
+	if (NULL == param->property_param) {
+		printk("isp_k_cfg_contrast: property_param is null error.\n");
+		return -1;
+	}
+
+	switch(param->property) {
+	case ISP_PRO_CONTRAST_BLOCK:
+		ret = isp_k_contrast_block(param);
+		break;
+	default:
+		printk("isp_k_cfg_contrast: fail cmd id:%d, not supported.\n", param->property);
+		break;
+	}
+
+	return ret;
+}