Merge "msm: camera: flash: Add support for qup i2c flash" into camera-kernel.lnx.4.0 (30da00d2) · Commits · e / devices / android_kernel_fairphone_FP5

drivers/cam_sensor_module/cam_flash/cam_flash_dev.c

+48 −6

Original line number	Diff line number	Diff line
		@@ -429,6 +429,7 @@ static int cam_flash_component_bind(struct device *dev,
		return -ENOMEM;

		fctrl->pdev = pdev;
		fctrl->of_node = pdev->dev.of_node;
		fctrl->soc_info.pdev = pdev;
		fctrl->soc_info.dev = &pdev->dev;
		fctrl->soc_info.dev_name = pdev->name;
		@@ -600,13 +601,18 @@ static int32_t cam_flash_i2c_driver_probe(struct i2c_client *client,
		{
		int32_t rc = 0, i = 0;
		struct cam_flash_ctrl *fctrl;
		struct cam_hw_soc_info *soc_info = NULL;

		if (client == NULL \|\| id == NULL) {
		CAM_ERR(CAM_FLASH, "Invalid Args client: %pK id: %pK",
		client, id);
		if (client == NULL) {
		CAM_ERR(CAM_FLASH, "Invalid Args client: %pK",
		client);
		return -EINVAL;
		}

		if (id == NULL) {
		CAM_DBG(CAM_FLASH, "device id is Null");
		}

		if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
		CAM_ERR(CAM_FLASH, "%s :: i2c_check_functionality failed",
		client->name);
		@@ -618,9 +624,9 @@ static int32_t cam_flash_i2c_driver_probe(struct i2c_client *client,
		if (!fctrl)
		return -ENOMEM;

		i2c_set_clientdata(client, fctrl);

		client->dev.driver_data = fctrl;
		fctrl->io_master_info.client = client;
		fctrl->of_node = client->dev.of_node;
		fctrl->soc_info.dev = &client->dev;
		fctrl->soc_info.dev_name = client->name;
		fctrl->io_master_info.master_type = I2C_MASTER;
		@@ -631,6 +637,40 @@ static int32_t cam_flash_i2c_driver_probe(struct i2c_client *client,
		goto free_ctrl;
		}

		rc = cam_flash_init_default_params(fctrl);
		if (rc) {
		CAM_ERR(CAM_FLASH,
		"failed: cam_flash_init_default_params rc %d",
		rc);
		goto free_ctrl;
		}

		soc_info = &fctrl->soc_info;
		rc = cam_sensor_util_regulator_powerup(soc_info);
		if (rc < 0) {
		CAM_ERR(CAM_FLASH, "regulator power up for flash failed %d",
		rc);
		goto free_ctrl;
		}

		if (!soc_info->gpio_data) {
		CAM_DBG(CAM_FLASH, "No GPIO found");
		rc = 0;
		return rc;
		}

		if (!soc_info->gpio_data->cam_gpio_common_tbl_size) {
		CAM_DBG(CAM_FLASH, "No GPIO found");
		return -EINVAL;
		}

		rc = cam_sensor_util_init_gpio_pin_tbl(soc_info,
		&fctrl->power_info.gpio_num_info);
		if ((rc < 0) \|\| (!fctrl->power_info.gpio_num_info)) {
		CAM_ERR(CAM_FLASH, "No/Error Flash GPIOs");
		goto free_ctrl;
		}

		rc = cam_flash_init_subdev(fctrl);
		if (rc)
		goto free_ctrl;
		@@ -699,6 +739,7 @@ static struct i2c_driver cam_flash_i2c_driver = {
		.remove = cam_flash_i2c_driver_remove,
		.driver = {
		.name = FLASH_DRIVER_I2C,
		.of_match_table = cam_flash_dt_match,
		},
		};

		@@ -713,8 +754,9 @@ int32_t cam_flash_init_module(void)
		}

		rc = i2c_add_driver(&cam_flash_i2c_driver);
		if (rc)
		if (rc < 0)
		CAM_ERR(CAM_FLASH, "i2c_add_driver failed rc: %d", rc);

		return rc;
		}

drivers/cam_sensor_module/cam_flash/cam_flash_soc.c

+8 −1

Original line number	Diff line number	Diff line
		@@ -293,7 +293,14 @@ int cam_flash_get_dt_data(struct cam_flash_ctrl *fctrl,
		rc = -ENOMEM;
		goto release_soc_res;
		}
		of_node = fctrl->pdev->dev.of_node;

		if (fctrl->of_node == NULL) {
		CAM_ERR(CAM_FLASH, "device node is NULL");
		rc = -EINVAL;
		goto free_soc_private;
		}

		of_node = fctrl->of_node;

		rc = cam_soc_util_get_dt_properties(soc_info);
		if (rc) {

drivers/cam_sensor_module/cam_sensor_io/cam_sensor_qup_i2c.c

+15 −5

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0-only
		/*
		* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
		* Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
		*/

		#include "cam_sensor_cmn_header.h"
		@@ -31,10 +31,15 @@ static int32_t cam_qup_i2c_rxdata(
		},
		};
		rc = i2c_transfer(dev_client->adapter, msgs, 2);
		if (rc < 0)
		if (rc < 0) {
		CAM_ERR(CAM_SENSOR, "failed 0x%x", saddr);
		return rc;
		}
		/* Returns negative errno */
		/* else the number of messages executed. */
		/* So positive values are not errors. */
		return 0;
		}


		static int32_t cam_qup_i2c_txdata(
		@@ -52,10 +57,15 @@ static int32_t cam_qup_i2c_txdata(
		},
		};
		rc = i2c_transfer(dev_client->client->adapter, msg, 1);
		if (rc < 0)
		if (rc < 0) {
		CAM_ERR(CAM_SENSOR, "failed 0x%x", saddr);
		return rc;
		}
		/* Returns negative errno, */
		/* else the number of messages executed. */
		/* So positive values are not errors. */
		return 0;
		}

		int32_t cam_qup_i2c_read(struct i2c_client *client,
		uint32_t addr, uint32_t *data,

drivers/cam_sensor_module/cam_sensor_utils/cam_sensor_util.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -74,11 +74,11 @@ int32_t cam_sensor_util_regulator_powerup(struct cam_hw_soc_info *soc_info)
		if (IS_ERR_OR_NULL(soc_info->rgltr[i])) {
		rc = PTR_ERR(soc_info->rgltr[i]);
		rc = rc ? rc : -EINVAL;
		CAM_ERR(CAM_ACTUATOR, "get failed for regulator %s %d",
		CAM_ERR(CAM_SENSOR, "get failed for regulator %s %d",
		soc_info->rgltr_name[i], rc);
		return rc;
		}
		CAM_DBG(CAM_ACTUATOR, "get for regulator %s",
		CAM_DBG(CAM_SENSOR, "get for regulator %s",
		soc_info->rgltr_name[i]);
		}