evie/android_kernel_oneplus_msm8998
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qcom: smb-lib: fix adapter allowance for PM660

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PM660 only supports VBUS voltage upto 9V, add
support to limit adapter allowance to maximum 9V for
PM660.

Change-Id: I283d5b1105cd9ad397a484982d674acf97f31f8a
Signed-off-by: Ashay Jaiswal <ashayj@codeaurora.org>
This commit is contained in:
Ashay Jaiswal 2017-03-01 10:18:04 +05:30
parent 5a092dc83c
commit 16d8287180
1 changed files with 37 additions and 7 deletions
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44
drivers/power/supply/qcom/smb-lib.c
View file

@ -468,6 +468,36 @@ int smblib_set_dc_suspend(struct smb_charger *chg, bool suspend)
return rc; return rc;
} }
static int smblib_set_adapter_allowance(struct smb_charger *chg,
u8 allowed_voltage)
{
int rc = 0;
switch (allowed_voltage) {
case USBIN_ADAPTER_ALLOW_12V:
case USBIN_ADAPTER_ALLOW_5V_OR_12V:
case USBIN_ADAPTER_ALLOW_9V_TO_12V:
case USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V:
case USBIN_ADAPTER_ALLOW_5V_TO_12V:
/* PM660 only support max. 9V */
if (chg->smb_version == PM660_SUBTYPE) {
smblib_dbg(chg, PR_MISC, "voltage not supported=%d\n",
allowed_voltage);
allowed_voltage = USBIN_ADAPTER_ALLOW_5V_TO_9V;
}
break;
}
rc = smblib_write(chg, USBIN_ADAPTER_ALLOW_CFG_REG, allowed_voltage);
if (rc < 0) {
smblib_err(chg, "Couldn't write 0x%02x to USBIN_ADAPTER_ALLOW_CFG rc=%d\n",
allowed_voltage, rc);
return rc;
}
return rc;
}
#define MICRO_5V 5000000 #define MICRO_5V 5000000
#define MICRO_9V 9000000 #define MICRO_9V 9000000
#define MICRO_12V 12000000 #define MICRO_12V 12000000
@ -498,10 +528,10 @@ static int smblib_set_usb_pd_allowed_voltage(struct smb_charger *chg,
return -EINVAL; return -EINVAL;
} }
rc = smblib_write(chg, USBIN_ADAPTER_ALLOW_CFG_REG, allowed_voltage); rc = smblib_set_adapter_allowance(chg, allowed_voltage);
if (rc < 0) { if (rc < 0) {
smblib_err(chg, "Couldn't write 0x%02x to USBIN_ADAPTER_ALLOW_CFG rc=%d\n", smblib_err(chg, "Couldn't configure adapter allowance rc=%d\n",
allowed_voltage, rc); rc);
return rc; return rc;
} }
@ -644,8 +674,8 @@ static void smblib_uusb_removal(struct smb_charger *chg)
} }
/* reconfigure allowed voltage for HVDCP */ /* reconfigure allowed voltage for HVDCP */
rc = smblib_write(chg, USBIN_ADAPTER_ALLOW_CFG_REG, rc = smblib_set_adapter_allowance(chg,
USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V); USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V);
if (rc < 0) if (rc < 0)
smblib_err(chg, "Couldn't set USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V rc=%d\n", smblib_err(chg, "Couldn't set USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V rc=%d\n",
rc); rc);
@ -3204,8 +3234,8 @@ static void typec_source_removal(struct smb_charger *chg)
} }
/* reconfigure allowed voltage for HVDCP */ /* reconfigure allowed voltage for HVDCP */
rc = smblib_write(chg, USBIN_ADAPTER_ALLOW_CFG_REG, rc = smblib_set_adapter_allowance(chg,
USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V); USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V);
if (rc < 0) if (rc < 0)
smblib_err(chg, "Couldn't set USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V rc=%d\n", smblib_err(chg, "Couldn't set USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V rc=%d\n",
rc); rc);