From f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 01:04:47 +0000
Subject: [PATCH] add driver 5G

---
 kernel/drivers/extcon/extcon-max77693.c |   40 +++++++++++++++++++++-------------------
 1 files changed, 21 insertions(+), 19 deletions(-)

diff --git a/kernel/drivers/extcon/extcon-max77693.c b/kernel/drivers/extcon/extcon-max77693.c
index c221a0a..92af97e 100644
--- a/kernel/drivers/extcon/extcon-max77693.c
+++ b/kernel/drivers/extcon/extcon-max77693.c
@@ -1,19 +1,9 @@
-/*
- * extcon-max77693.c - MAX77693 extcon driver to support MAX77693 MUIC
- *
- * Copyright (C) 2012 Samsung Electrnoics
- * Chanwoo Choi <cw00.choi@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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.
- */
+// SPDX-License-Identifier: GPL-2.0+
+//
+// extcon-max77693.c - MAX77693 extcon driver to support MAX77693 MUIC
+//
+// Copyright (C) 2012 Samsung Electrnoics
+// Chanwoo Choi <cw00.choi@samsung.com>
 
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -1082,6 +1072,8 @@
 	struct max77693_reg_data *init_data;
 	int num_init_data;
 	int delay_jiffies;
+	int cable_type;
+	bool attached;
 	int ret;
 	int i;
 	unsigned int id;
@@ -1165,7 +1157,7 @@
 					      max77693_extcon_cable);
 	if (IS_ERR(info->edev)) {
 		dev_err(&pdev->dev, "failed to allocate memory for extcon\n");
-		return -ENOMEM;
+		return PTR_ERR(info->edev);
 	}
 
 	ret = devm_extcon_dev_register(&pdev->dev, info->edev);
@@ -1222,8 +1214,18 @@
 		delay_jiffies = msecs_to_jiffies(DELAY_MS_DEFAULT);
 	}
 
-	/* Set initial path for UART */
-	 max77693_muic_set_path(info, info->path_uart, true);
+	/* Set initial path for UART when JIG is connected to get serial logs */
+	ret = regmap_bulk_read(info->max77693->regmap_muic,
+			MAX77693_MUIC_REG_STATUS1, info->status, 2);
+	if (ret) {
+		dev_err(info->dev, "failed to read MUIC register\n");
+		return ret;
+	}
+	cable_type = max77693_muic_get_cable_type(info,
+					   MAX77693_CABLE_GROUP_ADC, &attached);
+	if (attached && (cable_type == MAX77693_MUIC_ADC_FACTORY_MODE_UART_ON ||
+			 cable_type == MAX77693_MUIC_ADC_FACTORY_MODE_UART_OFF))
+		max77693_muic_set_path(info, info->path_uart, true);
 
 	/* Check revision number of MUIC device*/
 	ret = regmap_read(info->max77693->regmap_muic,

--
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