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charging: disable I2C error workaround

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disable I2C error workaround for miami.
when unit suspend, plug out otg device, it can't disable
otg vbus by i2c.

Change-Id: I2a3fb1ba046be9d688d36ac1a7d587c55269aa6d
Signed-off-by: Haijian Ma <mahj8@motorola.com>
Reviewed-on: https://gerrit.mot.com/2330923
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Haijian Ma 2022-07-12 18:44:33 +08:00
commit 709e299c1e
2 changed files with 22 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

34
drivers/power/sgm4154x_chg_mmi/sgm4154x_charger.c
View file

@ -86,14 +86,16 @@ int mmi_regmap_update_bits(struct sgm4154x_device *sgm, unsigned int reg,
{
int retry_count = 0;
while (sgm->sgm4154x_suspend_flag && retry_count < WAIT_I2C_COUNT) {
retry_count ++;
dev_err(sgm->dev, "wait system resume when I2C write, count %d\n", retry_count);
msleep(WAIT_I2C_TIME);
}
if (!sgm->i2c_err_wa_dis) {
while (sgm->sgm4154x_suspend_flag && retry_count < WAIT_I2C_COUNT) {
retry_count ++;
dev_err(sgm->dev, "wait system resume when I2C write, count %d\n", retry_count);
msleep(WAIT_I2C_TIME);
}
if (retry_count >= WAIT_I2C_COUNT)
return -EBUSY;
if (retry_count >= WAIT_I2C_COUNT)
return -EBUSY;
}
return regmap_update_bits(sgm->regmap, reg, mask, val);
}
@ -102,14 +104,16 @@ int mmi_regmap_read(struct sgm4154x_device *sgm, unsigned int reg, unsigned int
{
int retry_count = 0;
while (sgm->sgm4154x_suspend_flag && retry_count < WAIT_I2C_COUNT) {
retry_count ++;
dev_err(sgm->dev, "wait system resume when I2C read, count %d\n", retry_count);
msleep(WAIT_I2C_TIME);
}
if (!sgm->i2c_err_wa_dis) {
while (sgm->sgm4154x_suspend_flag && retry_count < WAIT_I2C_COUNT) {
retry_count ++;
dev_err(sgm->dev, "wait system resume when I2C read, count %d\n", retry_count);
msleep(WAIT_I2C_TIME);
}
if (retry_count >= WAIT_I2C_COUNT)
return -EBUSY;
if (retry_count >= WAIT_I2C_COUNT)
return -EBUSY;
}
return regmap_read(sgm->regmap, reg, val);
}
@ -2515,6 +2519,8 @@ static int sgm4154x_parse_dt(struct sgm4154x_device *sgm)
dev_info(sgm->dev, "mmi,wls-max-icl = %d\n",sgm->wls_max_icl);
sgm->i2c_err_wa_dis = of_property_read_bool(sgm->dev->of_node, "mmi,i2c-err-wa-dis");
#if 0
ret = device_property_read_u32(sgm->dev, "watchdog-timer",
&sgm->watchdog_timer);

2
drivers/power/sgm4154x_chg_mmi/sgm4154x_charger.h
View file

@ -384,6 +384,8 @@ struct sgm4154x_device {
/*wls output en/dis control*/
int wls_en_gpio;
int wls_max_icl;
bool i2c_err_wa_dis;
};
#ifdef CONFIG_MMI_QC3P_WT6670_DETECTED