static int smb347_intr_sts(struct i2c_client *client)
{
int ret = 0;
#define INOK 0x04
#define TERM_TAPER_CHG 0x10
// Enable volatile writes to registers
ret = smb347_volatile_writes(client, smb347_ENABLE_WRITE);
if (ret< 0) {
dev_err(&client->dev, "%s() error in configuring charger..enable\n", __func__);
goto error;
}
ret = smb347_clear_reg(client, smb347_STS_INTR_1, (TERM_TAPER_CHG|INOK));
if (ret < 0) {
dev_err(&client->dev, "%s(): Failed to"
"clear STATUS Interrupt Register\n", __func__);
} else {
dev_notice(&client->dev, "%s(): Success to"
"clear STATUS Interrupt Register\n", __func__);
}
// Disable volatile writes to registers
ret = smb347_volatile_writes(client, smb347_DISABLE_WRITE);
if (ret< 0) {
dev_err(&client->dev, "%s() error in configuring charger..disable\n", __func__);
goto error;
}
error:
return ret;
}
static int smb347_pin_control(bool state)
{
struct i2c_client *client = charger->client;
u8 ret = 0;
mutex_lock(&charger->pinctrl_lock);
if (state) {
/*Pin Controls -active low */
ret = smb347_update_reg(client, smb347_PIN_CTRL, PIN_ACT_LOW);
if (ret < 0) {
dev_err(&client->dev, "%s(): Failed to"
"enable charger\n", __func__);
}
} else {
/*Pin Controls -active high */
ret = smb347_clear_reg(client, smb347_PIN_CTRL, PIN_ACT_LOW);
if (ret < 0) {
dev_err(&client->dev, "%s(): Failed to"
"disable charger\n", __func__);
}
}
mutex_unlock(&charger->pinctrl_lock);
return ret;
}
static int smb347_charger_enable(bool enable)
{
struct i2c_client *client = charger->client;
u8 ret = 0;
if (enable) {
/*Pin Controls -active low */
ret = smb347_update_reg(client, smb347_PIN_CTRL, PIN_ACT_LOW);
if (ret < 0) {
dev_err(&client->dev, "%s(): Failed to"
"enable charger\n", __func__);
return ret;
}
} else {
/*Pin Controls -active high */
ret = smb347_clear_reg(client, smb347_PIN_CTRL, PIN_ACT_LOW);
if (ret < 0) {
dev_err(&client->dev, "%s(): Failed to"
"disable charger\n", __func__);
return ret;
}
}
return ret;
}
int smb347_hc_mode_callback(bool enable, int cur)
{
struct i2c_client *client = charger->client;
u8 ret = 0;
if((pcba_ver > GROUPER_PCBA_ER2) && (project_id == GROUPER_PROJECT_NAKASI))
return 0;
if (charger->suspend_ongoing)
return 0;
printk("smb347_hc_mode_callback+\n");
/* Enable volatile writes to registers */
ret = smb347_volatile_writes(client, smb347_ENABLE_WRITE);
if (ret < 0) {
dev_err(&client->dev, "%s() error in configuring charger..\n",
__func__);
goto error;
}
if(enable) {
/* Force switch to HC mode */
ret = smb347_update_reg(client, smb347_CMD_REG_B,
HC_MODE);
if (ret < 0) {
dev_err(&client->dev, "%s(): Failed in writing"
"register 0x%02x\n", __func__, smb347_CMD_REG_B);
return ret;
}
/* Change to i2c register control */
ret = smb347_clear_reg(client, smb347_PIN_CTRL, PIN_CTRL);
if (ret < 0) {
dev_err(&client->dev, "%s(): Failed in writing"
"register 0x%02x\n", __func__, smb347_PIN_CTRL);
return ret;
}
}
else
{
/* USB 2.0 input current limit (ICL) */
ret = smb347_clear_reg(client, smb347_SYSOK_USB3, USB_30);
if (ret < 0) {
dev_err(&client->dev, "%s(): Failed in writing"
"register 0x%02x\n", __func__, smb347_SYSOK_USB3);
return ret;
}
/* Switch back to USB mode */
ret = smb347_clear_reg(client, smb347_CMD_REG_B, HC_MODE);
if (ret < 0) {
dev_err(&client->dev, "%s(): Failed in writing"
"register 0x%02x\n", __func__, smb347_CMD_REG_B);
return ret;
}
if(cur) {
/* USB 500mA */
ret = smb347_update_reg(client, smb347_CMD_REG_B, USB_5_9_CUR);
if (ret < 0) {
dev_err(&client->dev, "%s(): Failed in writing"
"register 0x%02x\n", __func__, smb347_CMD_REG_B);
return ret;
}
} else {
/* USB 100mA */
ret = smb347_clear_reg(client, smb347_CMD_REG_B, USB_5_9_CUR);
if (ret < 0) {
dev_err(&client->dev, "%s(): Failed in writing"
"register 0x%02x\n", __func__, smb347_CMD_REG_B);
return ret;
}
}
/* Disable auto power source detection (APSD) */
ret = smb347_clear_reg(client, smb347_CHRG_CTRL, ENABLE_APSD);
if (ret < 0) {
dev_err(&client->dev, "%s(): Failed in writing"
"register 0x%02x\n", __func__, smb347_CHRG_CTRL);
return ret;
}
/* Change to i2c register control */
ret = smb347_clear_reg(client, smb347_PIN_CTRL, PIN_CTRL);
if (ret < 0) {
dev_err(&client->dev, "%s(): Failed in writing"
"register 0x%02x\n", __func__, smb347_PIN_CTRL);
return ret;
}
}
/* Disable volatile writes to registers */
ret = smb347_volatile_writes(client, smb347_DISABLE_WRITE);
if (ret < 0) {
dev_err(&client->dev, "%s() error in configuring charger..\n",
__func__);
goto error;
}
printk("smb347_hc_mode_callback-\n");
return ret;
error:
return ret;
}
