void max14577_muic_shutdown(struct device *dev)
{
struct max14577_muic_data *muic_data = dev_get_drvdata(dev);
struct max14577_dev *max14577;
int ret;
u8 val;
pr_info("%s:%s +\n", MUIC_DEV_NAME, __func__);
if (!muic_data->i2c) {
pr_err("%s:%s no muic i2c client\n", MUIC_DEV_NAME, __func__);
return;
}
max14577 = i2c_get_clientdata(muic_data->i2c);
pr_info("%s:%s max14577->i2c_lock.count.counter=%d\n", MUIC_DEV_NAME,
__func__, max14577->i2c_lock.count.counter);
pr_info("%s:%s JIGSet: auto detection\n", MUIC_DEV_NAME, __func__);
val = (0 << CTRL3_JIGSET_SHIFT) | (0 << CTRL3_BOOTSET_SHIFT);
ret = max14577_update_reg(muic_data->i2c, MAX14577_MUIC_REG_CONTROL3,
val, CTRL3_JIGSET_MASK | CTRL3_BOOTSET_MASK);
if (ret < 0) {
pr_err("%s:%s fail to update reg\n", MUIC_DEV_NAME, __func__);
return;
}
pr_info("%s:%s -\n", MUIC_DEV_NAME, __func__);
}
/*
* max14577_muic_set_debounce_time - Set the debounce time of ADC
* @info: the instance including private data of max14577 MUIC
* @time: the debounce time of ADC
*/
static int max14577_muic_set_debounce_time(struct max14577_muic_info *info,
enum max14577_muic_adc_debounce_time time)
{
u8 ret;
switch (time) {
case ADC_DEBOUNCE_TIME_5MS:
case ADC_DEBOUNCE_TIME_10MS:
case ADC_DEBOUNCE_TIME_25MS:
case ADC_DEBOUNCE_TIME_38_62MS:
ret = max14577_update_reg(info->max14577->regmap,
MAX14577_MUIC_REG_CONTROL3,
CTRL3_ADCDBSET_MASK,
time << CTRL3_ADCDBSET_SHIFT);
if (ret) {
dev_err(info->dev, "failed to set ADC debounce time\n");
return ret;
}
break;
default:
dev_err(info->dev, "invalid ADC debounce time\n");
return -EINVAL;
}
return 0;
};
/*
* max14577_muic_set_path - Set hardware line according to attached cable
* @info: the instance including private data of max14577 MUIC
* @value: the path according to attached cable
* @attached: the state of cable (true:attached, false:detached)
*
* The max14577 MUIC device share outside H/W line among a varity of cables
* so, this function set internal path of H/W line according to the type of
* attached cable.
*/
static int max14577_muic_set_path(struct max14577_muic_info *info,
u8 val, bool attached)
{
int ret = 0;
u8 ctrl1, ctrl2 = 0;
/* Set open state to path before changing hw path */
ret = max14577_update_reg(info->max14577->regmap,
MAX14577_MUIC_REG_CONTROL1,
CLEAR_IDBEN_MICEN_MASK, CTRL1_SW_OPEN);
if (ret < 0) {
dev_err(info->dev, "failed to update MUIC register\n");
return ret;
}
if (attached)
ctrl1 = val;
else
ctrl1 = CTRL1_SW_OPEN;
ret = max14577_update_reg(info->max14577->regmap,
MAX14577_MUIC_REG_CONTROL1,
CLEAR_IDBEN_MICEN_MASK, ctrl1);
if (ret < 0) {
dev_err(info->dev, "failed to update MUIC register\n");
return ret;
}
if (attached)
ctrl2 |= CTRL2_CPEN_MASK; /* LowPwr=0, CPEn=1 */
else
ctrl2 |= CTRL2_LOWPWR_MASK; /* LowPwr=1, CPEn=0 */
ret = max14577_update_reg(info->max14577->regmap,
MAX14577_REG_CONTROL2,
CTRL2_LOWPWR_MASK | CTRL2_CPEN_MASK, ctrl2);
if (ret < 0) {
dev_err(info->dev, "failed to update MUIC register\n");
return ret;
}
dev_dbg(info->dev,
"CONTROL1 : 0x%02x, CONTROL2 : 0x%02x, state : %s\n",
ctrl1, ctrl2, attached ? "attached" : "detached");
return 0;
}
