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Merge "qcom: smb138x: supsend USBIN and disable OTG before shutdown"

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Linux Build Service Account 2017-08-21 12:16:29 -07:00 • committed by Gerrit - the friendly Code Review server
commit da4c2cf3b3
1 changed files with 42 additions and 2 deletions
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44
drivers/power/supply/qcom/smb138x-charger.c
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@ -863,6 +863,13 @@ static int smb138x_init_slave_hw(struct smb138x *chip)
return rc;
}
/* Disable OTG */
rc = smblib_masked_write(chg, CMD_OTG_REG, OTG_EN_BIT, 0);
if (rc < 0) {
pr_err("Couldn't disable OTG rc=%d\n", rc);
return rc;
}
/* suspend parallel charging */
rc = smb138x_set_parallel_suspend(chip, true);
if (rc < 0) {
@ -960,6 +967,20 @@ static int smb138x_init_hw(struct smb138x *chip)
chg->dcp_icl_ua = chip->dt.usb_icl_ua;
/* Disable OTG */
rc = smblib_masked_write(chg, CMD_OTG_REG, OTG_EN_BIT, 0);
if (rc < 0) {
pr_err("Couldn't disable OTG rc=%d\n", rc);
return rc;
}
/* Unsuspend USB input */
rc = smblib_masked_write(chg, USBIN_CMD_IL_REG, USBIN_SUSPEND_BIT, 0);
if (rc < 0) {
pr_err("Couldn't unsuspend USB, rc=%d\n", rc);
return rc;
}
/* configure to a fixed 700khz freq to avoid tdie errors */
rc = smblib_set_charge_param(chg, &chg->param.freq_buck, 700);
if (rc < 0) {
@ -1600,14 +1621,33 @@ static int smb138x_remove(struct platform_device *pdev)
return 0;
}
static void smb138x_shutdown(struct platform_device *pdev)
{
struct smb138x *chip = platform_get_drvdata(pdev);
struct smb_charger *chg = &chip->chg;
int rc;
/* Suspend charging */
rc = smb138x_set_parallel_suspend(chip, true);
if (rc < 0)
pr_err("Couldn't suspend charging rc=%d\n", rc);
/* Disable OTG */
rc = smblib_masked_write(chg, CMD_OTG_REG, OTG_EN_BIT, 0);
if (rc < 0)
pr_err("Couldn't disable OTG rc=%d\n", rc);
}
static struct platform_driver smb138x_driver = {
.driver = {
.name = "qcom,smb138x-charger",
.owner = THIS_MODULE,
.of_match_table = match_table,
},
.probe = smb138x_probe,
.remove = smb138x_remove,
.probe = smb138x_probe,
.remove = smb138x_remove,
.shutdown = smb138x_shutdown,
};
module_platform_driver(smb138x_driver);