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path: root/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_brightness.c
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Diffstat (limited to 'drivers/media/sprd_isp/isp2.0/pike/src/isp_k_brightness.c')
-rw-r--r--drivers/media/sprd_isp/isp2.0/pike/src/isp_k_brightness.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_brightness.c b/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_brightness.c
new file mode 100644
index 00000000..4c649621
--- /dev/null
+++ b/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_brightness.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_brightness_block(struct isp_io_param *param)
+{
+ int32_t ret = 0;
+ struct isp_dev_brightness_info brightness_info;
+
+ memset(&brightness_info, 0x00, sizeof(brightness_info));
+
+ ret = copy_from_user((void *)&brightness_info, param->property_param, sizeof(brightness_info));
+ if (0 != ret) {
+ printk("isp_k_brightness_block: copy error, ret=0x%x\n", (uint32_t)ret);
+ return -1;
+ }
+
+ REG_MWR(ISP_BRIGHT_PARAM, 0x1FE, ((brightness_info.factor & 0xFF) << 1));
+
+ if (brightness_info.bypass) {
+ REG_OWR(ISP_BRIGHT_PARAM, BIT_0);
+ } else {
+ REG_MWR(ISP_BRIGHT_PARAM, BIT_0, 0);
+ }
+
+ return ret;
+}
+
+int32_t isp_k_cfg_brightness(struct isp_io_param *param)
+{
+ int32_t ret = 0;
+
+ if (!param) {
+ printk("isp_k_cfg_brightness: param is null error.\n");
+ return -1;
+ }
+
+ if (NULL == param->property_param) {
+ printk("isp_k_cfg_brightness: property_param is null error.\n");
+ return -1;
+ }
+
+ switch(param->property) {
+ case ISP_PRO_BRIGHT_BLOCK:
+ ret = isp_k_brightness_block(param);
+ break;
+ default:
+ printk("isp_k_cfg_brightness: fail cmd id:%d, not supported.\n", param->property);
+ break;
+ }
+
+ return ret;
+}