lineage_kernel_xcoverpro/drivers/muic/muic_sysfs.c

673 lines
19 KiB
C
Executable File

/*
* driver/muic/muic_sysfs.c - micro USB switch device driver
*
* Copyright (C) 2015 Samsung Electronics
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#define pr_fmt(fmt) "[MUIC] " fmt
#include <linux/types.h>
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/muic/muic.h>
#include <linux/sec_class.h>
#include <linux/muic/muic_sysfs.h>
#include <linux/muic/muic_interface.h>
#include <linux/sec_ext.h>
#ifdef CONFIG_BATTERY_SAMSUNG
#include <linux/sec_batt.h>
#if defined(CONFIG_BATTERY_SAMSUNG_LEGO_STYLE)
#include "../battery/common/include/sec_charging_common.h"
#else
#include "../battery_v2/include/sec_charging_common.h"
#endif
#endif
static ssize_t muic_sysfs_show_uart_en(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
int ret = 0;
if (!muic_pdata->is_rustproof) {
pr_info("%s UART ENABLE\n", __func__);
ret = sprintf(buf, "1\n");
} else {
pr_info("%s UART DISABLE\n", __func__);
ret = sprintf(buf, "0\n");
}
return ret;
}
static ssize_t muic_sysfs_set_uart_en(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
if (!strncmp(buf, "1", 1))
muic_pdata->is_rustproof = false;
else if (!strncmp(buf, "0", 1))
muic_pdata->is_rustproof = true;
else
pr_info("%s invalid value\n", __func__);
pr_info("%s uart_en(%d)\n",
__func__, !muic_pdata->is_rustproof);
return count;
}
#if !IS_ENABLED(CONFIG_UART_SWITCH)
static ssize_t muic_sysfs_show_uart_sel(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
const char *mode = "UNKNOWN\n";
switch (muic_pdata->uart_path) {
case MUIC_PATH_UART_AP:
mode = "AP\n";
break;
case MUIC_PATH_UART_CP:
mode = "CP\n";
break;
default:
break;
}
pr_info("%s %s", __func__, mode);
return snprintf(buf, strlen(mode) + 1, "%s", mode);
}
static ssize_t muic_sysfs_set_uart_sel(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
struct muic_interface_t *muic_if = muic_pdata->muic_if;
if (!strncasecmp(buf, "AP", 2))
muic_pdata->uart_path = MUIC_PATH_UART_AP;
else if (!strncasecmp(buf, "CP", 2))
muic_pdata->uart_path = MUIC_PATH_UART_CP;
else
pr_warn("%s invalid value\n", __func__);
if (muic_if->set_switch_to_uart)
muic_if->set_switch_to_uart(muic_pdata->drv_data);
pr_info("%s %s\n", __func__, buf);
return count;
}
static ssize_t muic_sysfs_show_usb_sel(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "PDA\n");
}
static ssize_t muic_sysfs_set_usb_sel(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
return count;
}
#endif
static ssize_t muic_sysfs_show_usb_en(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
return sprintf(buf, "%s attached_dev = %d\n",
__func__, muic_pdata->attached_dev);
}
static ssize_t muic_sysfs_set_usb_en(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
muic_attached_dev_t new_dev = ATTACHED_DEV_USB_MUIC;
if (!strncasecmp(buf, "1", 1))
muic_core_handle_attach(muic_pdata, new_dev, 0, 0);
else if (!strncasecmp(buf, "0", 1))
muic_core_handle_detach(muic_pdata);
else
pr_info("%s invalid value\n", __func__);
pr_info("%s attached_dev(%d)\n",
__func__, muic_pdata->attached_dev);
return count;
}
static ssize_t muic_sysfs_show_adc(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
struct muic_interface_t *muic_if = muic_pdata->muic_if;
int ret;
#if IS_ENABLED(CONFIG_MUIC_SYSFS_SHOW_REFRESH_ADC)
int is_afc_muic_ready;
#if IS_ENABLED(CONFIG_MUIC_SUPPORT_CCIC)
/* TODO: NOTE: There are abnormal operations of rising volatage AFC 9V
* by RID enable/disable in the muic_sysfs_refresh_adc functions in the
* factory bianary. This is to minimize unnecessary interrupt by RID
* enable/disable whenever reading adc sysfs node
*/
MUIC_PDATA_FUNC(muic_if->get_afc_ready, muic_pdata->drv_data, &is_afc_muic_ready);
if (muic_pdata->is_factory_start && muic_pdata->attached_dev == 0) {
/* No cable detection means RID open */
ret = ADC_OPEN;
} else {
#if IS_ENABLED(CONFIG_MUIC_HV)
if (muic_pdata->is_factory_start && is_afc_muic_ready)
/* No need to read adc in the middle of afc detection sequences */
ret = ADC_GND;
else
#endif
{
MUIC_PDATA_FUNC_MULTI_PARAM(muic_if->control_rid_adc,
muic_pdata->drv_data, MUIC_DISABLE, &ret);
msleep(50);
MUIC_PDATA_FUNC_MULTI_PARAM(muic_if->control_rid_adc,
muic_pdata->drv_data, MUIC_ENABLE, &ret);
MUIC_PDATA_FUNC(muic_if->get_adc, muic_pdata->drv_data, &ret);
}
}
#if IS_ENABLED(CONFIG_MUIC_HV)
pr_info("%s: factory: %d attached_dev: %d afc ready: %d", __func__,
muic_pdata->is_factory_start, muic_pdata->attached_dev,
is_afc_muic_ready);
#endif
#endif
#else
MUIC_PDATA_FUNC(muic_if->get_adc, muic_pdata->drv_data, &ret);
#endif
if (ret < 0) {
pr_err("%s err read adc reg(%d)\n",
__func__, ret);
return sprintf(buf, "UNKNOWN\n");
}
return sprintf(buf, "%x\n", ret);
}
static ssize_t muic_sysfs_show_usb_state(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
static unsigned long swtich_slot_time;
if (printk_timed_ratelimit(&swtich_slot_time, 5000))
pr_info("%s muic_pdata->attached_dev(%d)\n",
__func__, muic_pdata->attached_dev);
switch (muic_pdata->attached_dev) {
case ATTACHED_DEV_USB_MUIC:
case ATTACHED_DEV_CDP_MUIC:
case ATTACHED_DEV_JIG_USB_OFF_MUIC:
case ATTACHED_DEV_JIG_USB_ON_MUIC:
return sprintf(buf, "USB_STATE_CONFIGURED\n");
default:
break;
}
return 0;
}
#if IS_ENABLED(CONFIG_MUIC_DEBUG)
static ssize_t muic_sysfs_show_mansw(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
struct muic_interface_t *muic_if = muic_pdata->muic_if;
char mesg[256] = "";
int ret;
MUIC_PDATA_FUNC_MULTI_PARAM(muic_if->show_register, muic_pdata->drv_data, mesg, &ret);
pr_info("%s:%s\n", __func__, mesg);
return sprintf(buf, "%s\n", mesg);
}
static ssize_t muic_sysfs_show_interrupt_status(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
struct muic_interface_t *muic_if = muic_pdata->muic_if;
char mesg[256] = "";
int ret;
MUIC_PDATA_FUNC_MULTI_PARAM(muic_if->show_register, muic_pdata->drv_data, mesg, &ret);
pr_info("%s:%s\n", __func__, mesg);
return sprintf(buf, "%s\n", mesg);
}
static ssize_t muic_sysfs_show_registers(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
struct muic_interface_t *muic_if = muic_pdata->muic_if;
char mesg[256] = "";
int ret;
MUIC_PDATA_FUNC_MULTI_PARAM(muic_if->show_register, muic_pdata->drv_data, mesg, &ret);
pr_info("%s:%s\n", __func__, mesg);
return sprintf(buf, "%s\n", mesg);
}
#endif
#if IS_ENABLED(CONFIG_USB_HOST_NOTIFY)
static ssize_t muic_sysfs_show_otg_test(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
struct muic_interface_t *muic_if = muic_pdata->muic_if;
char mesg[256] = "";
int ret;
MUIC_PDATA_FUNC_MULTI_PARAM(muic_if->show_register, muic_pdata->drv_data, mesg, &ret);
pr_info("%s:%s\n", __func__, mesg);
return sprintf(buf, "%s\n", mesg);
}
static ssize_t muic_sysfs_set_otg_test(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
#if IS_ENABLED(CONFIG_SEC_FACTORY)
struct muic_interface_t *muic_if = muic_pdata->muic_if;
int ret =0;
#endif
pr_info("%s buf:%s\n", __func__, buf);
/*
* The otg_test is set 0 durring the otg test. Not 1 !!!
*/
if (!strncmp(buf, "0", 1)) {
muic_pdata->is_otg_test = 1;
#if IS_ENABLED(CONFIG_SEC_FACTORY)
MUIC_PDATA_FUNC_MULTI_PARAM(muic_if->set_otg_reg, muic_pdata->drv_data, 1, &ret);
#endif
} else if (!strncmp(buf, "1", 1)) {
muic_pdata->is_otg_test = 0;
#if IS_ENABLED(CONFIG_SEC_FACTORY)
MUIC_PDATA_FUNC_MULTI_PARAM(muic_if->set_otg_reg, muic_pdata->drv_data, 0, &ret);
#endif
} else {
pr_info("%s Wrong command\n", __func__);
return count;
}
return count;
}
#endif
static ssize_t muic_sysfs_show_attached_dev(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
int mdev = muic_pdata->attached_dev;
pr_info("%s attached_dev:%d\n", __func__, mdev);
switch (mdev) {
case ATTACHED_DEV_NONE_MUIC:
return sprintf(buf, "No VPS\n");
case ATTACHED_DEV_USB_MUIC:
return sprintf(buf, "USB\n");
case ATTACHED_DEV_CDP_MUIC:
return sprintf(buf, "CDP\n");
case ATTACHED_DEV_OTG_MUIC:
return sprintf(buf, "OTG\n");
case ATTACHED_DEV_TA_MUIC:
return sprintf(buf, "TA\n");
case ATTACHED_DEV_JIG_UART_OFF_MUIC:
return sprintf(buf, "JIG UART OFF\n");
case ATTACHED_DEV_JIG_UART_OFF_VB_MUIC:
return sprintf(buf, "JIG UART OFF/VB\n");
case ATTACHED_DEV_JIG_UART_ON_MUIC:
return sprintf(buf, "JIG UART ON\n");
case ATTACHED_DEV_JIG_UART_ON_VB_MUIC:
return sprintf(buf, "JIG UART ON/VB\n");
case ATTACHED_DEV_JIG_USB_OFF_MUIC:
return sprintf(buf, "JIG USB OFF\n");
case ATTACHED_DEV_JIG_USB_ON_MUIC:
return sprintf(buf, "JIG USB ON\n");
case ATTACHED_DEV_DESKDOCK_MUIC:
case ATTACHED_DEV_DESKDOCK_VB_MUIC:
return sprintf(buf, "DESKDOCK\n");
case ATTACHED_DEV_AUDIODOCK_MUIC:
return sprintf(buf, "AUDIODOCK\n");
case ATTACHED_DEV_CHARGING_CABLE_MUIC:
return sprintf(buf, "PS CABLE\n");
case ATTACHED_DEV_AFC_CHARGER_5V_MUIC:
case ATTACHED_DEV_AFC_CHARGER_9V_MUIC:
case ATTACHED_DEV_QC_CHARGER_5V_MUIC:
case ATTACHED_DEV_QC_CHARGER_9V_MUIC:
case ATTACHED_DEV_AFC_CHARGER_DISABLED_MUIC:
return sprintf(buf, "AFC Charger\n");
case ATTACHED_DEV_FACTORY_UART_MUIC:
return sprintf(buf, "FACTORY UART\n");
default:
break;
}
return sprintf(buf, "UNKNOWN\n");
}
static ssize_t muic_sysfs_show_audio_path(struct device *dev,
struct device_attribute *attr, char *buf)
{
return 0;
}
static ssize_t muic_sysfs_set_audio_path(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
return 0;
}
static ssize_t muic_sysfs_show_apo_factory(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
const char *mode;
/* true: Factory mode, false: not Factory mode */
if (muic_pdata->is_factory_start)
mode = "FACTORY_MODE";
else
mode = "NOT_FACTORY_MODE";
pr_info("%s : %s\n",
__func__, mode);
return sprintf(buf, "%s\n", mode);
}
static ssize_t muic_sysfs_set_apo_factory(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
/* "FACTORY_START": factory mode */
if (!strncmp(buf, "FACTORY_START", 13))
muic_pdata->is_factory_start = true;
else
pr_info("%s Wrong command\n", __func__);
return count;
}
static ssize_t muic_show_vbus_value(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
struct muic_interface_t *muic_if = muic_pdata->muic_if;
int val = 0;
MUIC_PDATA_FUNC(muic_if->get_vbus_voltage, muic_pdata->drv_data, &val);
switch(val) {
case 0 ... 3:
val = 0;
break;
case 4 ... 6:
val = 5;
break;
case 7 ... 9:
val = 9;
break;
}
return sprintf(buf, "%d\n", val);
}
#if IS_ENABLED(CONFIG_MUIC_HV)
static ssize_t muic_sysfs_show_afc_disable(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
if (muic_pdata->afc_disable) {
pr_info("%s AFC DISABLE\n", __func__);
return sprintf(buf, "1\n");
}
pr_info("%s AFC ENABLE", __func__);
return sprintf(buf, "0\n");
}
static ssize_t muic_sysfs_set_afc_disable(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct muic_platform_data *pdata = dev_get_drvdata(dev);
struct muic_interface_t *muic_if = pdata->muic_if;
bool curr_val = pdata->afc_disable;
int ret = 0;
int param_val = 0;
#ifdef CONFIG_BATTERY_SAMSUNG
union power_supply_propval psy_val;
#endif
if (!strncasecmp(buf, "1", 1)) {
pdata->afc_disable = true;
} else if (!strncasecmp(buf, "0", 1)) {
pdata->afc_disable = false;
} else {
pr_warn("%s invalid value\n", __func__);
return -EINVAL;
}
#if IS_ENABLED(CONFIG_MUIC_MANAGER)
param_val = pdata->afc_disable ? '1' : '0';
#endif
ret = sec_set_param(CM_OFFSET + 1, (char)param_val);
if (ret < 0) {
pr_info("%s:set_param failed - %02x:%02x(%d)\n", __func__,
param_val, curr_val, ret);
pdata->afc_disable = curr_val;
return -EIO;
}
#ifdef CONFIG_BATTERY_SAMSUNG
psy_val.intval = param_val;
psy_do_property("battery", set, POWER_SUPPLY_EXT_PROP_HV_DISABLE, psy_val);
#endif
pr_info("%s afc_disable(%d)\n", __func__, pdata->afc_disable);
if (curr_val != pdata->afc_disable)
MUIC_PDATA_VOID_FUNC(muic_if->set_chgtype_usrcmd, pdata->drv_data);
return count;
}
#if IS_ENABLED(CONFIG_HV_MUIC_VOLTAGE_CTRL)
static ssize_t muic_store_afc_set_voltage(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct muic_platform_data *muic_pdata = dev_get_drvdata(dev);
struct muic_interface_t *muic_if = muic_pdata->muic_if;
int ret = 0;
if (!strncasecmp(buf, "5V", 2)) {
MUIC_PDATA_FUNC_MULTI_PARAM(muic_if->set_afc_voltage, muic_pdata->drv_data, 5, &ret);
} else if (!strncasecmp(buf, "9V", 2)) {
MUIC_PDATA_FUNC_MULTI_PARAM(muic_if->set_afc_voltage, muic_pdata->drv_data, 9, &ret);
} else {
pr_warn("%s invalid value : %s\n", __func__, buf);
}
return count;
}
#endif /* CONFIG_HV_MUIC_VOLTAGE_CTRL */
#endif /* CONFIG_MUIC_HV */
#if IS_ENABLED(CONFIG_HICCUP_CHARGER)
static ssize_t hiccup_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct muic_platform_data *pdata = dev_get_drvdata(dev);
struct muic_interface_t *muic_if = pdata->muic_if;
int ret;
MUIC_PDATA_FUNC(muic_if->get_hiccup_mode,
pdata->drv_data, &ret);
if (ret)
return sprintf(buf, "ENABLE\n");
else
return sprintf(buf, "DISABLE\n");
}
static ssize_t hiccup_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct muic_platform_data *pdata = dev_get_drvdata(dev);
struct muic_interface_t *muic_if = pdata->muic_if;
int ret;
if (!strncasecmp(buf, "DISABLE", 7)) {
MUIC_PDATA_FUNC_MULTI_PARAM(muic_if->set_hiccup_mode,
pdata->drv_data, MUIC_DISABLE, &ret);
MUIC_PDATA_FUNC(muic_if->set_com_to_open,
pdata->drv_data, &ret);
} else
pr_warn("%s invalid com : %s\n", __func__, buf);
return count;
}
#endif /* CONFIG_HICCUP_CHARGER */
static DEVICE_ATTR(uart_en, 0664, muic_sysfs_show_uart_en,
muic_sysfs_set_uart_en);
#if !IS_ENABLED(CONFIG_UART_SWITCH)
static DEVICE_ATTR(uart_sel, 0664, muic_sysfs_show_uart_sel,
muic_sysfs_set_uart_sel);
static DEVICE_ATTR(usb_sel, 0664, muic_sysfs_show_usb_sel,
muic_sysfs_set_usb_sel);
#endif
static DEVICE_ATTR(adc, 0664, muic_sysfs_show_adc, NULL);
#if IS_ENABLED(DEBUG_MUIC)
static DEVICE_ATTR(mansw, 0444, muic_sysfs_show_mansw, NULL);
static DEVICE_ATTR(dump_registers, 0444, muic_sysfs_show_registers, NULL);
static DEVICE_ATTR(int_status, 0444, muic_sysfs_show_interrupt_status, NULL);
#endif
static DEVICE_ATTR(usb_state, 0444, muic_sysfs_show_usb_state, NULL);
#if IS_ENABLED(CONFIG_USB_HOST_NOTIFY)
static DEVICE_ATTR(otg_test, 0664,
muic_sysfs_show_otg_test, muic_sysfs_set_otg_test);
#endif
static DEVICE_ATTR(attached_dev, 0444, muic_sysfs_show_attached_dev, NULL);
static DEVICE_ATTR(audio_path, 0664,
muic_sysfs_show_audio_path, muic_sysfs_set_audio_path);
static DEVICE_ATTR(apo_factory, 0664,
muic_sysfs_show_apo_factory,
muic_sysfs_set_apo_factory);
static DEVICE_ATTR(usb_en, 0664,
muic_sysfs_show_usb_en,
muic_sysfs_set_usb_en);
static DEVICE_ATTR(vbus_value, 0444, muic_show_vbus_value, NULL);
#if IS_ENABLED(CONFIG_MUIC_HV)
static DEVICE_ATTR(afc_disable, 0664,
muic_sysfs_show_afc_disable, muic_sysfs_set_afc_disable);
#if IS_ENABLED(CONFIG_HV_MUIC_VOLTAGE_CTRL)
static DEVICE_ATTR(afc_set_voltage, 0220,
NULL, muic_store_afc_set_voltage);
#endif /* CONFIG_HV_MUIC_VOLTAGE_CTRL */
#endif /* CONFIG_MUIC_HV */
#if IS_ENABLED(CONFIG_HICCUP_CHARGER)
static DEVICE_ATTR_RW(hiccup);
#endif /* CONFIG_HICCUP_CHARGER */
static struct attribute *muic_sysfs_attributes[] = {
&dev_attr_uart_en.attr,
#if !IS_ENABLED(CONFIG_UART_SWITCH)
&dev_attr_uart_sel.attr,
&dev_attr_usb_sel.attr,
#endif
&dev_attr_adc.attr,
#if IS_ENABLED(DEBUG_MUIC)
&dev_attr_mansw.attr,
&dev_attr_dump_registers.attr,
&dev_attr_int_status.attr,
#endif
&dev_attr_usb_state.attr,
#if IS_ENABLED(CONFIG_USB_HOST_NOTIFY)
&dev_attr_otg_test.attr,
#endif
&dev_attr_attached_dev.attr,
&dev_attr_audio_path.attr,
&dev_attr_apo_factory.attr,
&dev_attr_usb_en.attr,
&dev_attr_vbus_value.attr,
#if IS_ENABLED(CONFIG_MUIC_HV)
&dev_attr_afc_disable.attr,
#if IS_ENABLED(CONFIG_HV_MUIC_VOLTAGE_CTRL)
&dev_attr_afc_set_voltage.attr,
#endif /* CONFIG_HV_MUIC_VOLTAGE_CTRL */
#endif /* CONFIG_MUIC_HV */
#if IS_ENABLED(CONFIG_HICCUP_CHARGER)
&dev_attr_hiccup.attr,
#endif /* CONFIG_HICCUP_CHARGER */
NULL
};
static const struct attribute_group muic_sysfs_group = {
.attrs = muic_sysfs_attributes,
};
int muic_sysfs_init(struct muic_platform_data *muic_pdata)
{
int ret;
/* create sysfs group */
muic_pdata->switch_device = sec_device_find("switch");
#ifdef CONFIG_TEMP
mutex_init(&muic_pdata->sysfs_mutex);
#endif
if (muic_pdata->switch_device == NULL)
muic_pdata->switch_device = sec_device_create(NULL, "switch");
if (IS_ERR(muic_pdata->switch_device)) {
pr_err("%s Failed to create device(switch)!\n", __func__);
ret = -ENODEV;
return ret;
}
ret = sysfs_create_group(&muic_pdata->switch_device->kobj, &muic_sysfs_group);
if (ret) {
pr_err("failed to create sysfs\n");
return ret;
}
dev_set_drvdata(muic_pdata->switch_device, muic_pdata);
return ret;
}
void muic_sysfs_deinit(struct muic_platform_data *muic_pdata)
{
if (muic_pdata->switch_device)
sysfs_remove_group(&muic_pdata->switch_device->kobj, &muic_sysfs_group);
}