evie/android_kernel_oneplus_msm8998
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qcom-charger: smb-lib: add get charge param and usb suspend

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The parallel charger does not use voting, therefore register getter and
setter functions need to be created or exposed.

CRs-Fixed: 1023141
Change-Id: I96a4877196be78c0eeecc3fc08419e8990572aaa
Signed-off-by: Nicholas Troast <ntroast@codeaurora.org>
This commit is contained in:
Nicholas Troast 2016-05-12 17:56:35 -07:00 • committed by Kyle Yan
parent 7e87ce15be
commit 2480c73944
2 changed files with 47 additions and 4 deletions
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43
drivers/power/qcom-charger/smb-lib.c
View file

@ -86,6 +86,41 @@ unlock:
* REGISTER GETTERS *
********************/
int smblib_get_charge_param(struct smb_charger *chg,
struct smb_chg_param *param, int *val_u)
{
int rc = 0;
u8 val_raw;
rc = smblib_read(chg, param->reg, &val_raw);
if (rc < 0) {
dev_err(chg->dev, "%s: Couldn't read from 0x%04x rc=%d\n",
param->name, param->reg, rc);
return rc;
}
*val_u = val_raw * param->step_u + param->min_u;
smblib_dbg(chg, PR_REGISTER, "%s = %d (0x%02x)\n",
param->name, *val_u, val_raw);
return rc;
}
int smblib_get_usb_suspend(struct smb_charger *chg, int *suspend)
{
int rc = 0;
u8 temp;
rc = smblib_read(chg, USBIN_CMD_IL_REG, &temp);
if (rc < 0) {
dev_err(chg->dev, "Couldn't read USBIN_CMD_IL rc=%d\n", rc);
return rc;
}
*suspend = temp & USBIN_SUSPEND_BIT;
return rc;
}
struct apsd_result {
const char * const name;
const u8 bit;
@ -156,8 +191,8 @@ int smblib_enable_charging(struct smb_charger *chg, bool enable)
return rc;
}
static int smblib_set_charge_param(struct smb_charger *chg,
struct smb_chg_param *param, int val_u)
int smblib_set_charge_param(struct smb_charger *chg,
struct smb_chg_param *param, int val_u)
{
int rc = 0;
u8 val_raw;
@ -182,7 +217,7 @@ static int smblib_set_charge_param(struct smb_charger *chg,
return rc;
}
static int smblib_set_usb_suspend(struct smb_charger *chg, bool suspend)
int smblib_set_usb_suspend(struct smb_charger *chg, bool suspend)
{
int rc = 0;
@ -195,7 +230,7 @@ static int smblib_set_usb_suspend(struct smb_charger *chg, bool suspend)
return rc;
}
static int smblib_set_dc_suspend(struct smb_charger *chg, bool suspend)
int smblib_set_dc_suspend(struct smb_charger *chg, bool suspend)
{
int rc = 0;

8
drivers/power/qcom-charger/smb-lib.h
View file

@ -96,7 +96,15 @@ int smblib_read(struct smb_charger *chg, u16 addr, u8 *val);
int smblib_masked_write(struct smb_charger *chg, u16 addr, u8 mask, u8 val);
int smblib_write(struct smb_charger *chg, u16 addr, u8 val);
int smblib_get_charge_param(struct smb_charger *chg,
struct smb_chg_param *param, int *val_u);
int smblib_get_usb_suspend(struct smb_charger *chg, int *suspend);
int smblib_enable_charging(struct smb_charger *chg, bool enable);
int smblib_set_charge_param(struct smb_charger *chg,
struct smb_chg_param *param, int val_u);
int smblib_set_usb_suspend(struct smb_charger *chg, bool suspend);
int smblib_set_dc_suspend(struct smb_charger *chg, bool suspend);
int smblib_vbus_regulator_enable(struct regulator_dev *rdev);
int smblib_vbus_regulator_disable(struct regulator_dev *rdev);