msm: camera: Add I2C continuous write support in CCI

Provide functionality to use burst/seq write in
CCI module.

Change-Id: I633400fbaef4c97357696f7899501c60c277b253
Signed-off-by: Karthik Anantha Ram <kartanan@codeaurora.org>
diff --git a/drivers/media/platform/msm/camera/cam_sensor_module/cam_actuator/cam_actuator_core.c b/drivers/media/platform/msm/camera/cam_sensor_module/cam_actuator/cam_actuator_core.c
index b36fc68..bcf4133 100644
--- a/drivers/media/platform/msm/camera/cam_sensor_module/cam_actuator/cam_actuator_core.c
+++ b/drivers/media/platform/msm/camera/cam_sensor_module/cam_actuator/cam_actuator_core.c
@@ -16,6 +16,70 @@
 #include "cam_sensor_util.h"
 #include "cam_trace.h"
 
+static int32_t cam_actuator_i2c_modes_util(
+	struct camera_io_master *io_master_info,
+	struct i2c_settings_list *i2c_list)
+{
+	int32_t rc = 0;
+	uint32_t i, size;
+
+	if (i2c_list->op_code == CAM_SENSOR_I2C_WRITE_RANDOM) {
+		rc = camera_io_dev_write(io_master_info,
+			&(i2c_list->i2c_settings));
+		if (rc < 0) {
+			CAM_ERR(CAM_ACTUATOR,
+				"Failed to random write I2C settings: %d",
+				rc);
+			return rc;
+		}
+	} else if (i2c_list->op_code == CAM_SENSOR_I2C_WRITE_SEQ) {
+		rc = camera_io_dev_write_continuous(
+			io_master_info,
+			&(i2c_list->i2c_settings),
+			0);
+		if (rc < 0) {
+			CAM_ERR(CAM_ACTUATOR,
+				"Failed to seq write I2C settings: %d",
+				rc);
+			return rc;
+			}
+	} else if (i2c_list->op_code == CAM_SENSOR_I2C_WRITE_BURST) {
+		rc = camera_io_dev_write_continuous(
+			io_master_info,
+			&(i2c_list->i2c_settings),
+			1);
+		if (rc < 0) {
+			CAM_ERR(CAM_ACTUATOR,
+				"Failed to burst write I2C settings: %d",
+				rc);
+			return rc;
+		}
+	} else if (i2c_list->op_code == CAM_SENSOR_I2C_POLL) {
+		size = i2c_list->i2c_settings.size;
+		for (i = 0; i < size; i++) {
+			rc = camera_io_dev_poll(
+			io_master_info,
+			i2c_list->i2c_settings.
+				reg_setting[i].reg_addr,
+			i2c_list->i2c_settings.
+				reg_setting[i].reg_data,
+			i2c_list->i2c_settings.
+				reg_setting[i].data_mask,
+			i2c_list->i2c_settings.addr_type,
+				i2c_list->i2c_settings.data_type,
+			i2c_list->i2c_settings.
+				reg_setting[i].delay);
+			if (rc < 0) {
+				CAM_ERR(CAM_ACTUATOR,
+					"i2c poll apply setting Fail: %d", rc);
+				return rc;
+			}
+		}
+	}
+
+	return rc;
+}
+
 int32_t cam_actuator_slaveInfo_pkt_parser(struct cam_actuator_ctrl_t *a_ctrl,
 	uint32_t *cmd_buf)
 {
@@ -52,7 +116,6 @@
 {
 	struct i2c_settings_list *i2c_list;
 	int32_t rc = 0;
-	uint32_t i, size;
 
 	if (a_ctrl == NULL || i2c_set == NULL) {
 		CAM_ERR(CAM_ACTUATOR, "Invalid Args");
@@ -66,35 +129,14 @@
 
 	list_for_each_entry(i2c_list,
 		&(i2c_set->list_head), list) {
-		if (i2c_list->op_code ==  CAM_SENSOR_I2C_WRITE_RANDOM) {
-			rc = camera_io_dev_write(&(a_ctrl->io_master_info),
-				&(i2c_list->i2c_settings));
-			if (rc < 0) {
-				CAM_ERR(CAM_ACTUATOR,
-					"Failed in Applying i2c wrt settings");
-				return rc;
-			}
-		} else if (i2c_list->op_code == CAM_SENSOR_I2C_POLL) {
-			size = i2c_list->i2c_settings.size;
-			for (i = 0; i < size; i++) {
-				rc = camera_io_dev_poll(
-					&(a_ctrl->io_master_info),
-					i2c_list->i2c_settings.
-						reg_setting[i].reg_addr,
-					i2c_list->i2c_settings.
-						reg_setting[i].reg_data,
-					i2c_list->i2c_settings.
-						reg_setting[i].data_mask,
-					i2c_list->i2c_settings.addr_type,
-					i2c_list->i2c_settings.data_type,
-					i2c_list->i2c_settings.
-						reg_setting[i].delay);
-				if (rc < 0) {
-					CAM_ERR(CAM_ACTUATOR,
-						"i2c poll apply setting Fail");
-					return rc;
-				}
-			}
+		rc = cam_actuator_i2c_modes_util(
+			&(a_ctrl->io_master_info),
+			i2c_list);
+		if (rc < 0) {
+			CAM_ERR(CAM_ACTUATOR,
+				"Failed to apply settings: %d",
+				rc);
+			return rc;
 		}
 	}