This patch allows to configure kernel with MUIC debug possibility.
Allows to dump MUIC registers via sysfs and more.
To configure kernel with muic debug enabled, set SAMSUNG_MUIC, and DEBUG_MUIC options

diff --git a/drivers/muic/Kconfig b/drivers/muic/Kconfig
index 66873fc853d..1741eee5a14 100755
--- a/drivers/muic/Kconfig
+++ b/drivers/muic/Kconfig
@@ -12,6 +12,13 @@ config USE_MUIC
 	  If you say yes here you will get support for
 	  the MUIC device driver.
 
+config DEBUG_MUIC
+	bool "Enable MUIC debug"
+	depends on SAMSUNG_MUIC
+	default n
+	help
+	  If you say yes here you will get debug info from your muic.
+
 config USE_SAFEOUT
 	bool "Using SAFEOUT device driver"
 	depends on I2C
diff --git a/drivers/muic/s2mm001.c b/drivers/muic/s2mm001.c
index 15107098f4b..cf43d5f8bfa 100755
--- a/drivers/muic/s2mm001.c
+++ b/drivers/muic/s2mm001.c
@@ -37,9 +37,9 @@
 #include <linux/muic/muic_notifier.h>
 #endif /* CONFIG_MUIC_NOTIFIER */
 
-#define DEBUG_MUIC
+#define CONFIG_DEBUG_MUIC
 
-#ifdef DEBUG_MUIC
+#ifdef CONFIG_DEBUG_MUIC
 
 #define MAX_LOG 25
 #define READ 0
@@ -164,7 +164,7 @@ static int s2mm001_i2c_read_byte(const struct i2c_client *client, u8 command)
 		retry++;
 	}
 
-#ifdef DEBUG_MUIC
+#ifdef CONFIG_DEBUG_MUIC
 	s2mm001_reg_log(command, ret, retry << 1 | READ);
 #endif
 	return ret;
@@ -187,7 +187,7 @@ static int s2mm001_i2c_write_byte(const struct i2c_client *client,
 		ret = i2c_smbus_write_byte_data(client, command, value);
 		retry++;
 	}
-#ifdef DEBUG_MUIC
+#ifdef CONFIG_DEBUG_MUIC
 	s2mm001_reg_log(command, value, retry << 1 | WRITE);
 #endif
 	return ret;
@@ -490,7 +490,7 @@ static ssize_t s2mm001_muic_show_usb_state(struct device *dev,
 	return 0;
 }
 
-#ifdef DEBUG_MUIC
+#ifdef CONFIG_DEBUG_MUIC
 static ssize_t s2mm001_muic_show_mansw1(struct device *dev,
 					   struct device_attribute *attr,
 					   char *buf)
@@ -729,7 +729,7 @@ static DEVICE_ATTR(uart_sel, 0664, s2mm001_muic_show_uart_sel,
 static DEVICE_ATTR(usb_sel, 0664,
 		s2mm001_muic_show_usb_sel, s2mm001_muic_set_usb_sel);
 static DEVICE_ATTR(adc, 0664, s2mm001_muic_show_adc, NULL);
-#ifdef DEBUG_MUIC
+#ifdef CONFIG_DEBUG_MUIC
 static DEVICE_ATTR(mansw1, 0664, s2mm001_muic_show_mansw1, NULL);
 static DEVICE_ATTR(mansw2, 0664, s2mm001_muic_show_mansw2, NULL);
 static DEVICE_ATTR(dump_registers, 0664, s2mm001_muic_show_registers, NULL);
@@ -755,7 +755,7 @@ static struct attribute *s2mm001_muic_attributes[] = {
 	&dev_attr_uart_sel.attr,
 	&dev_attr_usb_sel.attr,
 	&dev_attr_adc.attr,
-#ifdef DEBUG_MUIC
+#ifdef CONFIG_DEBUG_MUIC
 	&dev_attr_mansw1.attr,
 	&dev_attr_mansw2.attr,
 	&dev_attr_dump_registers.attr,
diff --git a/drivers/muic/s2mu004-muic.c b/drivers/muic/s2mu004-muic.c
index 577a3e87c76..1a4c98ff3c3 100755
--- a/drivers/muic/s2mu004-muic.c
+++ b/drivers/muic/s2mu004-muic.c
@@ -97,7 +97,7 @@ static int s2mu004_i2c_write_byte(struct i2c_client *client,
 static bool s2mu004_get_ccic_cable_state(struct s2mu004_muic_data *muic_data);
 #endif
 
-#if defined(DEBUG_MUIC)
+#if defined(CONFIG_DEBUG_MUIC)
 #define MAX_LOG 25
 #define READ 0
 #define WRITE 1
@@ -186,7 +186,7 @@ static int s2mu004_i2c_read_byte(struct i2c_client *client, u8 command)
 		retry++;
 	}
 
-#ifdef DEBUG_MUIC
+#ifdef CONFIG_DEBUG_MUIC
 	s2mu004_reg_log(command, ret, retry << 1 | READ);
 #endif
 	return ret;
@@ -211,7 +211,7 @@ static int s2mu004_i2c_write_byte(struct i2c_client *client,
 		ret = s2mu004_write_reg(client, command, value);
 		retry++;
 	}
-#ifdef DEBUG_MUIC
+#ifdef CONFIG_DEBUG_MUIC
 	s2mu004_reg_log(command, value, retry << 1 | WRITE);
 #endif
 	return ret;
@@ -698,7 +698,7 @@ static ssize_t s2mu004_muic_show_usb_state(struct device *dev,
 	return 0;
 }
 
-#ifdef DEBUG_MUIC
+#ifdef CONFIG_DEBUG_MUIC
 static ssize_t s2mu004_muic_show_mansw(struct device *dev,
 					   struct device_attribute *attr,
 					   char *buf)
@@ -1159,7 +1159,7 @@ static ssize_t muic_store_afc_set_voltage(struct device *dev,
 static DEVICE_ATTR(uart_en, 0664, s2mu004_muic_show_uart_en,
 					s2mu004_muic_set_uart_en);
 static DEVICE_ATTR(adc, 0664, s2mu004_muic_show_adc, NULL);
-#ifdef DEBUG_MUIC
+#ifdef CONFIG_DEBUG_MUIC
 static DEVICE_ATTR(mansw, 0664, s2mu004_muic_show_mansw, NULL);
 static DEVICE_ATTR(dump_registers, 0664, s2mu004_muic_show_registers, NULL);
 static DEVICE_ATTR(int_status, 0664, s2mu004_muic_show_interrupt_status, NULL);
@@ -1192,7 +1192,7 @@ static DEVICE_ATTR(afc_set_voltage, 0220,
 static struct attribute *s2mu004_muic_attributes[] = {
 	&dev_attr_uart_en.attr,
 	&dev_attr_adc.attr,
-#ifdef DEBUG_MUIC
+#ifdef CONFIG_DEBUG_MUIC
 	&dev_attr_mansw.attr,
 	&dev_attr_dump_registers.attr,
 	&dev_attr_int_status.attr,
diff --git a/drivers/muic/s2mu005-muic.c b/drivers/muic/s2mu005-muic.c
index c3b89b3612d..b53f54cd3d8 100755
--- a/drivers/muic/s2mu005-muic.c
+++ b/drivers/muic/s2mu005-muic.c
@@ -54,10 +54,10 @@ static void s2mu005_muic_handle_detach(struct s2mu005_muic_data *muic_data);
 static int set_manual_sw(struct s2mu005_muic_data *muic_data, bool on);
 
 /*
-#define DEBUG_MUIC
+#define CONFIG_DEBUG_MUIC
 */
 
-#if defined(DEBUG_MUIC)
+#if defined(CONFIG_DEBUG_MUIC)
 #define MAX_LOG 25
 #define READ 0
 #define WRITE 1
@@ -150,7 +150,7 @@ static int s2mu005_i2c_read_byte(struct i2c_client *client, u8 command)
 		retry++;
 	}
 
-#ifdef DEBUG_MUIC
+#ifdef CONFIG_DEBUG_MUIC
 	s2mu005_reg_log(command, ret, retry << 1 | READ);
 #endif
 	return ret;
@@ -175,7 +175,7 @@ static int s2mu005_i2c_write_byte(struct i2c_client *client,
 		ret = s2mu005_write_reg(client, command, value);
 		retry++;
 	}
-#ifdef DEBUG_MUIC
+#ifdef CONFIG_DEBUG_MUIC
 	s2mu005_reg_log(command, value, retry << 1 | WRITE);
 #endif
 	return ret;
@@ -463,7 +463,7 @@ static ssize_t s2mu005_muic_show_usb_state(struct device *dev,
 	return 0;
 }
 
-#ifdef DEBUG_MUIC
+#ifdef CONFIG_DEBUG_MUIC
 static ssize_t s2mu005_muic_show_mansw(struct device *dev,
 					   struct device_attribute *attr,
 					   char *buf)
@@ -686,7 +686,7 @@ static ssize_t s2mu005_muic_set_apo_factory(struct device *dev,
 static DEVICE_ATTR(uart_en, 0664, s2mu005_muic_show_uart_en,
 					s2mu005_muic_set_uart_en);
 static DEVICE_ATTR(adc, 0664, s2mu005_muic_show_adc, NULL);
-#ifdef DEBUG_MUIC
+#ifdef CONFIG_DEBUG_MUIC
 static DEVICE_ATTR(mansw, 0664, s2mu005_muic_show_mansw, NULL);
 static DEVICE_ATTR(dump_registers, 0664, s2mu005_muic_show_registers, NULL);
 static DEVICE_ATTR(int_status, 0664, s2mu005_muic_show_interrupt_status, NULL);
@@ -709,7 +709,7 @@ static DEVICE_ATTR(usb_en, 0664,
 static struct attribute *s2mu005_muic_attributes[] = {
 	&dev_attr_uart_en.attr,
 	&dev_attr_adc.attr,
-#ifdef DEBUG_MUIC
+#ifdef CONFIG_DEBUG_MUIC
 	&dev_attr_mansw.attr,
 	&dev_attr_dump_registers.attr,
 	&dev_attr_int_status.attr,