msm: camera: Enable support for actuator (525e2d16) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/media/platform/msm/camera/cam_sensor_module/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -2,3 +2,4 @@ obj-$(CONFIG_SPECTRA_CAMERA) += cam_sensor_utils/
		obj-$(CONFIG_SPECTRA_CAMERA) += cam_cci/
		obj-$(CONFIG_SPECTRA_CAMERA) += cam_sensor_io/
		obj-$(CONFIG_SPECTRA_CAMERA) += cam_csiphy/
		obj-$(CONFIG_SPECTRA_CAMERA) += cam_actuator/

drivers/media/platform/msm/camera/cam_sensor_module/cam_actuator/Makefile

0 → 100644

+8 −0

Original line number	Diff line number	Diff line
		ccflags-y += -Idrivers/media/platform/msm/camera/cam_utils
		ccflags-y += -Idrivers/media/platform/msm/camera/cam_cpas/include
		ccflags-y += -Idrivers/media/platform/msm/camera/cam_sensor_module/cam_sensor_io
		ccflags-y += -Idrivers/media/platform/msm/camera/cam_sensor_module/cam_sensor_utils
		ccflags-y += -Idrivers/media/platform/msm/camera/cam_req_mgr
		ccflags-y += -Idrivers/media/platform/msm/camera/cam_sensor_module/cam_cci

		obj-$(CONFIG_SPECTRA_CAMERA) += cam_actuator_dev.o cam_actuator_core.o cam_actuator_soc.o

drivers/media/platform/msm/camera/cam_sensor_module/cam_actuator/cam_actuator_core.c

0 → 100644

+628 −0

Original line number	Diff line number	Diff line
		/* Copyright (c) 2017, The Linux Foundation. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License version 2 and
		* only version 2 as published by the Free Software Foundation.
		*
		* 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/module.h>
		#include <cam_sensor_cmn_header.h>
		#include "cam_actuator_core.h"
		#include <cam_sensor_util.h>

		int32_t cam_actuator_slaveInfo_pkt_parser(struct cam_actuator_ctrl_t *a_ctrl,
		uint32_t *cmd_buf)
		{
		int32_t rc = 0;
		struct cam_cmd_i2c_info *i2c_info;

		if (!a_ctrl \|\| !cmd_buf) {
		pr_err("%s:%d Invalid Args\n", __func__, __LINE__);
		return -EINVAL;
		}

		i2c_info = (struct cam_cmd_i2c_info *)cmd_buf;
		a_ctrl->io_master_info.cci_client->i2c_freq_mode =
		i2c_info->i2c_freq_mode;
		a_ctrl->io_master_info.cci_client->sid =
		i2c_info->slave_addr >> 1;
		CDBG("%s:%d Slave addr: 0x%x Freq Mode: %d\n", __func__,
		__LINE__, i2c_info->slave_addr, i2c_info->i2c_freq_mode);

		return rc;
		}

		int32_t cam_actuator_apply_settings(struct cam_actuator_ctrl_t *a_ctrl,
		struct i2c_settings_array *i2c_set)
		{
		struct i2c_settings_list *i2c_list;
		int32_t rc = 0;
		uint32_t i, size;

		if (a_ctrl == NULL \|\| i2c_set == NULL) {
		pr_err("%s:%d Invalid Args\n", __func__, __LINE__);
		return -EINVAL;
		}

		if (i2c_set->is_settings_valid != 1) {
		pr_err("%s: %d :Error: Invalid settings\n",
		__func__, __LINE__);
		return -EINVAL;
		}

		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) {
		pr_err("%s: %d :Error: Failed in Applying i2c write settings\n",
		__func__, __LINE__);
		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) {
		pr_err("%s: %d :Error: Failed in Applying i2c poll settings\n",
		__func__, __LINE__);
		return rc;
		}
		}
		}
		}

		return rc;
		}

		int32_t cam_actuator_apply_request(struct cam_req_mgr_apply_request *apply)
		{
		int32_t rc = 0, request_id, del_req_id;
		struct cam_actuator_ctrl_t *a_ctrl = NULL;

		if (!apply) {
		pr_err("%s:%d :Error: Invalid Input Args\n",
		__func__, __LINE__);
		return -EINVAL;
		}

		a_ctrl = (struct cam_actuator_ctrl_t *)
		cam_get_device_priv(apply->dev_hdl);
		if (!a_ctrl) {
		pr_err("%s: %d :Error: Device data is NULL\n",
		__func__, __LINE__);
		return -EINVAL;
		}
		request_id = apply->request_id % MAX_PER_FRAME_ARRAY;
		CDBG("%s:%d Request Id: %lld\n",
		__func__, __LINE__, apply->request_id);

		if ((apply->request_id ==
		a_ctrl->i2c_data.per_frame[request_id].request_id) &&
		(a_ctrl->i2c_data.per_frame[request_id].is_settings_valid)
		== 1) {
		rc = cam_actuator_apply_settings(a_ctrl,
		&a_ctrl->i2c_data.per_frame[request_id]);
		if (rc < 0) {
		pr_err("%s:%d Failed in applying the request: %lld\n",
		__func__, __LINE__, apply->request_id);
		return rc;
		}
		}
		del_req_id = (request_id +
		MAX_PER_FRAME_ARRAY - MAX_SYSTEM_PIPELINE_DELAY) %
		MAX_PER_FRAME_ARRAY;

		if (apply->request_id >
		a_ctrl->i2c_data.per_frame[del_req_id].request_id) {
		a_ctrl->i2c_data.per_frame[del_req_id].request_id = 0;
		rc = delete_request(&a_ctrl->i2c_data.per_frame[del_req_id]);
		if (rc < 0) {
		pr_err("%s: %d :Error: Fail deleting the req: %d err: %d\n",
		__func__, __LINE__, del_req_id, rc);
		return rc;
		}
		} else {
		CDBG("%s:%d No Valid Req to clean Up\n", __func__, __LINE__);
		}

		return rc;
		}

		int32_t cam_actuator_establish_link(
		struct cam_req_mgr_core_dev_link_setup *link)
		{
		struct cam_actuator_ctrl_t *a_ctrl = NULL;

		if (!link) {
		pr_err("%s:%d Invalid Args\n", __func__, __LINE__);
		return -EINVAL;
		}

		a_ctrl = (struct cam_actuator_ctrl_t *)
		cam_get_device_priv(link->dev_hdl);
		if (!a_ctrl) {
		pr_err("%s:%d :Error: Device data is NULL\n",
		__func__, __LINE__);
		return -EINVAL;
		}
		if (link->link_enable) {
		a_ctrl->bridge_intf.link_hdl = link->link_hdl;
		a_ctrl->bridge_intf.crm_cb = link->crm_cb;
		} else {
		a_ctrl->bridge_intf.link_hdl = -1;
		a_ctrl->bridge_intf.crm_cb = NULL;
		}

		return 0;
		}

		int32_t cam_actuator_publish_dev_info(struct cam_req_mgr_device_info *info)
		{
		if (!info) {
		pr_err("%s:%d Invalid Args\n", __func__, __LINE__);
		return -EINVAL;
		}

		info->dev_id = CAM_REQ_MGR_DEVICE_ACTUATOR;
		strlcpy(info->name, CAM_ACTUATOR_NAME, sizeof(info->name));
		info->p_delay = 0;

		return 0;
		}

		int32_t cam_actuator_i2c_pkt_parse(struct cam_actuator_ctrl_t *a_ctrl,
		void *arg)
		{
		int32_t rc = 0;
		uint64_t generic_ptr;
		struct cam_control *ioctl_ctrl = NULL;
		struct cam_packet *csl_packet = NULL;
		struct cam_config_dev_cmd config;
		struct i2c_data_settings *i2c_data = NULL;
		struct i2c_settings_array *i2c_reg_settings = NULL;
		struct cam_cmd_buf_desc *cmd_desc = NULL;
		size_t len_of_buff = 0;
		uint32_t offset = NULL, cmd_buf;
		struct cam_req_mgr_add_request add_req;

		if (!a_ctrl \|\| !arg) {
		pr_err("%s:%d :Error: Invalid Args\n",
		__func__, __LINE__);
		return -EINVAL;
		}

		ioctl_ctrl = (struct cam_control *)arg;
		if (copy_from_user(&config, (void __user *) ioctl_ctrl->handle,
		sizeof(config)))
		return -EFAULT;
		rc = cam_mem_get_cpu_buf(config.packet_handle,
		(uint64_t *)&generic_ptr, &len_of_buff);
		if (rc < 0) {
		pr_err("%s:%d :Error: error in converting command Handle %d\n",
		__func__, __LINE__, rc);
		return rc;
		}

		if (config.offset > len_of_buff) {
		pr_err("%s: %d offset is out of bounds: offset: %lld len: %zu\n",
		__func__, __LINE__, config.offset, len_of_buff);
		return -EINVAL;
		}

		csl_packet = (struct cam_packet *)(generic_ptr +
		config.offset);
		CDBG("%s:%d Pkt opcode: %d\n",
		__func__, __LINE__, csl_packet->header.op_code);

		if ((csl_packet->header.op_code & 0xFFFFFF) ==
		CAM_ACTUATOR_PACKET_OPCODE_INIT) {
		i2c_data = &(a_ctrl->i2c_data);
		i2c_reg_settings = &i2c_data->init_settings;

		offset = (uint32_t *)&csl_packet->payload;
		offset += (csl_packet->cmd_buf_offset / sizeof(uint32_t));
		cmd_desc = (struct cam_cmd_buf_desc *)(offset);

		if (csl_packet->num_cmd_buf != 2) {
		pr_err("%s:: %d :Error: cmd Buffers in Init : %d\n",
		__func__, __LINE__, csl_packet->num_cmd_buf);
		return -EINVAL;
		}

		rc = cam_mem_get_cpu_buf(cmd_desc[0].mem_handle,
		(uint64_t *)&generic_ptr, &len_of_buff);
		if (rc < 0) {
		pr_err("%s:%d Failed to get cpu buf\n",
		__func__, __LINE__);
		return rc;
		}
		cmd_buf = (uint32_t *)generic_ptr;
		cmd_buf += cmd_desc->offset / sizeof(uint32_t);
		rc = cam_actuator_slaveInfo_pkt_parser(a_ctrl, cmd_buf);
		if (rc < 0) {
		pr_err("%s:%d Failed in parsing the pkt\n",
		__func__, __LINE__);
		return rc;
		}
		cmd_buf += (sizeof(struct cam_cmd_i2c_info)/sizeof(uint32_t));
		i2c_data->init_settings.request_id = 0;
		i2c_reg_settings->is_settings_valid = 1;
		rc = cam_sensor_i2c_pkt_parser(i2c_reg_settings,
		&cmd_desc[1], 1);
		if (rc < 0) {
		pr_err("%s:%d :Error: actuator pkt parsing failed: %d\n",
		__func__, __LINE__, rc);
		return rc;
		}
		} else if ((csl_packet->header.op_code & 0xFFFFFF) ==
		CAM_ACTUATOR_PACKET_AUTO_MOVE_LENS) {
		a_ctrl->act_apply_state =
		ACT_APPLY_SETTINGS_NOW;

		i2c_data = &(a_ctrl->i2c_data);
		i2c_reg_settings = &i2c_data->init_settings;

		i2c_data->init_settings.request_id =
		csl_packet->header.request_id;
		i2c_reg_settings->is_settings_valid = 1;
		offset = (uint32_t *)&csl_packet->payload;
		offset += csl_packet->cmd_buf_offset / sizeof(uint32_t);
		cmd_desc = (struct cam_cmd_buf_desc *)(offset);
		rc = cam_sensor_i2c_pkt_parser(i2c_reg_settings,
		cmd_desc, 1);
		if (rc < 0) {
		pr_err("%s:%d :Error: actuator pkt parsing failed: %d\n",
		__func__, __LINE__, rc);
		return rc;
		}
		} else if ((csl_packet->header.op_code & 0xFFFFFF) ==
		CAM_ACTUATOR_PACKET_MANUAL_MOVE_LENS) {
		i2c_data = &(a_ctrl->i2c_data);
		i2c_reg_settings =
		&i2c_data->per_frame
		[csl_packet->header.request_id % MAX_PER_FRAME_ARRAY];

		i2c_data->init_settings.request_id =
		csl_packet->header.request_id;
		i2c_reg_settings->is_settings_valid = 1;
		offset = (uint32_t *)&csl_packet->payload;
		offset += csl_packet->cmd_buf_offset / sizeof(uint32_t);
		cmd_desc = (struct cam_cmd_buf_desc *)(offset);
		rc = cam_sensor_i2c_pkt_parser(i2c_reg_settings,
		cmd_desc, 1);
		if (rc < 0) {
		pr_err("%s:%d :Error: actuator pkt parsing failed: %d\n",
		__func__, __LINE__, rc);
		return rc;
		}
		}

		if ((csl_packet->header.op_code & 0xFFFFFF) !=
		CAM_ACTUATOR_PACKET_OPCODE_INIT) {
		add_req.link_hdl = a_ctrl->bridge_intf.link_hdl;
		add_req.req_id = csl_packet->header.request_id;
		add_req.dev_hdl = a_ctrl->bridge_intf.device_hdl;
		if (a_ctrl->bridge_intf.crm_cb &&
		a_ctrl->bridge_intf.crm_cb->add_req)
		a_ctrl->bridge_intf.crm_cb->add_req(&add_req);
		CDBG("%s: %d Req Id: %lld added to Bridge\n",
		__func__, __LINE__, add_req.req_id);
		}

		return rc;
		}

		static int32_t cam_actuator_vreg_control(struct cam_actuator_ctrl_t *a_ctrl,
		int config)
		{
		int rc = 0, i, cnt;
		struct cam_actuator_vreg *vreg_cfg;

		vreg_cfg = &a_ctrl->vreg_cfg;
		cnt = vreg_cfg->num_vreg;
		if (!cnt)
		return 0;

		if (cnt >= MSM_ACTUATOR_MAX_VREGS) {
		pr_err("%s:%d Regulators more than supported %d\n",
		__func__, __LINE__, cnt);
		return -EINVAL;
		}

		for (i = 0; i < cnt; i++) {
		if (a_ctrl->io_master_info.master_type ==
		CCI_MASTER) {
		rc = msm_camera_config_single_vreg(
		&(a_ctrl->v4l2_dev_str.pdev->dev),
		&vreg_cfg->cam_vreg[i],
		(struct regulator **)&vreg_cfg->data[i],
		config);
		} else if (a_ctrl->io_master_info.master_type ==
		I2C_MASTER) {
		rc = msm_camera_config_single_vreg(
		&(a_ctrl->io_master_info.client->dev),
		&vreg_cfg->cam_vreg[i],
		(struct regulator **)&vreg_cfg->data[i],
		config);
		}
		}

		return rc;
		}

		static int32_t cam_actuator_power_up(struct cam_actuator_ctrl_t *a_ctrl)
		{
		int rc = 0;

		rc = cam_actuator_vreg_control(a_ctrl, 1);
		if (rc < 0) {
		pr_err("%s:%d Actuator Reg Failed %d\n",
		__func__, __LINE__, rc);
		return rc;
		}

		if (a_ctrl->gconf &&
		a_ctrl->gconf->gpio_num_info &&
		a_ctrl->gconf->gpio_num_info->valid[SENSOR_VAF] == 1) {
		rc = msm_camera_request_gpio_table(
		a_ctrl->gconf->cam_gpio_req_tbl,
		a_ctrl->gconf->cam_gpio_req_tbl_size, 1);
		if (rc < 0) {
		pr_err("%s:%d :Error: Failed in req gpio: %d\n",
		__func__, __LINE__, rc);
		return rc;
		}
		if (a_ctrl->cam_pinctrl_status) {
		rc = pinctrl_select_state(
		a_ctrl->pinctrl_info.pinctrl,
		a_ctrl->pinctrl_info.gpio_state_active);
		if (rc < 0)
		pr_err("%s:%d :Error: cannot set pin to active state: %d",
		__func__, __LINE__, rc);
		}

		gpio_set_value_cansleep(
		a_ctrl->gconf->gpio_num_info->gpio_num[SENSOR_VAF],
		1);
		}

		/* VREG needs some delay to power up */
		usleep_range(2000, 2050);

		return rc;
		}

		static int32_t cam_actuator_power_down(struct cam_actuator_ctrl_t *a_ctrl)
		{
		int32_t rc = 0;

		rc = cam_actuator_vreg_control(a_ctrl, 0);
		if (rc < 0) {
		pr_err("%s failed %d\n", __func__, __LINE__);
		return rc;
		}

		if (a_ctrl->gconf &&
		a_ctrl->gconf->gpio_num_info &&
		a_ctrl->gconf->gpio_num_info->
		valid[SENSOR_VAF] == 1) {

		gpio_set_value_cansleep(
		a_ctrl->gconf->gpio_num_info->
		gpio_num[SENSOR_VAF],
		GPIOF_OUT_INIT_LOW);

		if (a_ctrl->cam_pinctrl_status) {
		rc = pinctrl_select_state(
		a_ctrl->pinctrl_info.pinctrl,
		a_ctrl->pinctrl_info.
		gpio_state_suspend);
		if (rc < 0)
		pr_err("%s:%d cannot set pin to suspend state: %d",
		__func__, __LINE__, rc);

		devm_pinctrl_put(
		a_ctrl->pinctrl_info.pinctrl);
		}
		a_ctrl->cam_pinctrl_status = 0;
		rc = msm_camera_request_gpio_table(
		a_ctrl->gconf->cam_gpio_req_tbl,
		a_ctrl->gconf->cam_gpio_req_tbl_size,
		0);
		if (rc < 0)
		pr_err("%s:%d Failed in selecting state: %d\n",
		__func__, __LINE__, rc);
		}

		return rc;
		}

		int32_t cam_actuator_driver_cmd(struct cam_actuator_ctrl_t *a_ctrl,
		void *arg)
		{
		int rc = 0;
		struct cam_control cmd = (struct cam_control )arg;

		if (!a_ctrl \|\| !cmd) {
		pr_err("%s: %d :Error: Invalid Args\n",
		__func__, __LINE__);
		return -EINVAL;
		}

		pr_debug("%s:%d Opcode to Actuator: %d\n",
		__func__, __LINE__, cmd->op_code);

		mutex_lock(&(a_ctrl->actuator_mutex));
		switch (cmd->op_code) {
		case CAM_ACQUIRE_DEV: {
		struct cam_sensor_acquire_dev actuator_acq_dev;
		struct cam_create_dev_hdl bridge_params;

		if (a_ctrl->bridge_intf.device_hdl != -1) {
		pr_err("%s:%d Device is already acquired\n",
		__func__, __LINE__);
		rc = -EINVAL;
		goto release_mutex;
		}
		rc = copy_from_user(&actuator_acq_dev,
		(void __user *) cmd->handle,
		sizeof(actuator_acq_dev));
		if (rc < 0) {
		pr_err("%s:%d :Error: Failed Copying from user\n",
		__func__, __LINE__);
		goto release_mutex;
		}

		bridge_params.session_hdl = actuator_acq_dev.session_handle;
		bridge_params.ops = &a_ctrl->bridge_intf.ops;
		bridge_params.v4l2_sub_dev_flag = 0;
		bridge_params.media_entity_flag = 0;
		bridge_params.priv = a_ctrl;

		actuator_acq_dev.device_handle =
		cam_create_device_hdl(&bridge_params);
		a_ctrl->bridge_intf.device_hdl = actuator_acq_dev.device_handle;
		a_ctrl->bridge_intf.session_hdl =
		actuator_acq_dev.session_handle;

		CDBG("%s:%d Device Handle: %d\n",
		__func__, __LINE__, actuator_acq_dev.device_handle);
		if (copy_to_user((void __user *) cmd->handle, &actuator_acq_dev,
		sizeof(struct cam_sensor_acquire_dev))) {
		pr_err("%s:%d :Error: Failed Copy to User\n",
		__func__, __LINE__);
		rc = -EFAULT;
		goto release_mutex;
		}

		}
		break;
		case CAM_RELEASE_DEV: {
		if (a_ctrl->bridge_intf.device_hdl == -1) {
		pr_err("%s:%d :Error: link hdl: %d device hdl: %d\n",
		__func__, __LINE__,
		a_ctrl->bridge_intf.device_hdl,
		a_ctrl->bridge_intf.link_hdl);
		rc = -EINVAL;
		goto release_mutex;
		}
		rc = cam_destroy_device_hdl(a_ctrl->bridge_intf.device_hdl);
		if (rc < 0)
		pr_err("%s:%d :Error: destroying the device hdl\n",
		__func__, __LINE__);
		a_ctrl->bridge_intf.device_hdl = -1;
		a_ctrl->bridge_intf.link_hdl = -1;
		a_ctrl->bridge_intf.session_hdl = -1;
		}
		break;
		case CAM_QUERY_CAP: {
		struct cam_actuator_query_cap actuator_cap;

		actuator_cap.slot_info = a_ctrl->id;
		if (copy_to_user((void __user *) cmd->handle, &actuator_cap,
		sizeof(struct cam_actuator_query_cap))) {
		pr_err("%s:%d :Error: Failed Copy to User\n",
		__func__, __LINE__);
		rc = -EFAULT;
		goto release_mutex;
		}
		}
		break;
		case CAM_START_DEV: {
		rc = cam_actuator_power_up(a_ctrl);
		if (rc < 0) {
		pr_err("%s: %d :Error: Actuator Power up failed\n",
		__func__, __LINE__);
		goto release_mutex;
		}
		rc = camera_io_init(&a_ctrl->io_master_info);
		if (rc < 0) {
		pr_err("%s:%d :Error: cci_init failed\n",
		__func__, __LINE__);
		cam_actuator_power_down(a_ctrl);
		}

		rc = cam_actuator_apply_settings(a_ctrl,
		&a_ctrl->i2c_data.init_settings);
		if (rc < 0)
		pr_err("%s: %d :Error: Cannot apply Init settings\n",
		__func__, __LINE__);

		/* Delete the request even if the apply is failed */
		rc = delete_request(&a_ctrl->i2c_data.init_settings);
		if (rc < 0) {
		pr_err("%s:%d Fail in deleting the Init settings\n",
		__func__, __LINE__);
		rc = -EINVAL;
		goto release_mutex;
		}
		}
		break;
		case CAM_STOP_DEV: {
		rc = camera_io_release(&a_ctrl->io_master_info);
		if (rc < 0)
		pr_err("%s:%d :Error: Failed in releasing CCI\n",
		__func__, __LINE__);
		rc = cam_actuator_power_down(a_ctrl);
		if (rc < 0) {
		pr_err("%s:%d :Error: Actuator Power down failed\n",
		__func__, __LINE__);
		goto release_mutex;
		}
		}
		break;
		case CAM_CONFIG_DEV: {
		a_ctrl->act_apply_state =
		ACT_APPLY_SETTINGS_LATER;
		rc = cam_actuator_i2c_pkt_parse(a_ctrl, arg);
		if (rc < 0) {
		pr_err("%s:%d :Error: Failed in actuator Parsing\n",
		__func__, __LINE__);
		}

		if (a_ctrl->act_apply_state ==
		ACT_APPLY_SETTINGS_NOW) {
		rc = cam_actuator_apply_settings(a_ctrl,
		&a_ctrl->i2c_data.init_settings);
		if (rc < 0)
		pr_err("%s:%d :Error: Cannot apply Update settings\n",
		__func__, __LINE__);

		/* Delete the request even if the apply is failed */
		rc = delete_request(&a_ctrl->i2c_data.init_settings);
		if (rc < 0) {
		pr_err("%s: %d :Error: Failed in Deleting the Init Pkt: %d\n",
		__func__, __LINE__, rc);
		goto release_mutex;
		}
		}
		}
		break;
		default:
		pr_err("%s:%d Invalid Opcode %d\n",
		__func__, __LINE__, cmd->op_code);
		}

		release_mutex:
		mutex_unlock(&(a_ctrl->actuator_mutex));

		return rc;
		}

drivers/media/platform/msm/camera/cam_sensor_module/cam_actuator/cam_actuator_core.h

0 → 100644

+48 −0

Original line number	Diff line number	Diff line
		/* Copyright (c) 2017, The Linux Foundation. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License version 2 and
		* only version 2 as published by the Free Software Foundation.
		*
		* 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.
		*/

		#ifndef _CAM_ACTUATOR_CORE_H_
		#define _CAM_ACTUATOR_CORE_H_

		#include "cam_actuator_dev.h"

		/**
		* @apply: Req mgr structure for applying request
		*
		* This API applies the request that is mentioned
		*/
		int32_t cam_actuator_apply_request(struct cam_req_mgr_apply_request *apply);

		/**
		* @info: Sub device info to req mgr
		*
		* This API publish the subdevice info to req mgr
		*/
		int32_t cam_actuator_publish_dev_info(struct cam_req_mgr_device_info *info);

		/**
		* @link: Link setup info
		*
		* This API establishes link actuator subdevice with req mgr
		*/
		int32_t cam_actuator_establish_link(
		struct cam_req_mgr_core_dev_link_setup *link);

		/**
		* @a_ctrl: Actuator ctrl structure
		* @arg: Camera control command argument
		*
		* This API handles the camera control argument reached to actuator
		*/
		int32_t cam_actuator_driver_cmd(struct cam_actuator_ctrl_t a_ctrl, void arg);

		#endif /* _CAM_ACTUATOR_CORE_H_ */

drivers/media/platform/msm/camera/cam_sensor_module/cam_actuator/cam_actuator_dev.c

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+334 −0

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