static int pm_chg_ibatmax_set(struct pm8921_chg_chip *chip, int chg_current)
{
u8 temp;
if (chg_current < PM8921_CHG_IBATMAX_MIN
|| chg_current > PM8921_CHG_IBATMAX_MAX) {
pr_err("bad mA=%d asked to set\n", chg_current);
return -EINVAL;
}
temp = (chg_current - PM8921_CHG_I_MIN_MA) / PM8921_CHG_I_STEP_MA;
return pm_chg_masked_write(chip, CHG_IBAT_MAX, PM8921_CHG_I_MASK, temp);
}
int pm8921_aud_set_s4_pwm(void)
{
int ret = 0;
if(!the_chip)
return -1;
pr_info("%s: set s4 to pwm mode ++\n",__func__);
ret = pm_chg_masked_write(the_chip, S4_CTRL_ADDR, S4_MODE_MASK, S4_PWM);
pr_info("%s: set s4 to pwm mode --\n",__func__);
return ret;
}
static int pm_chg_iusbmax_set(struct pm8921_chg_chip *chip, int chg_current)
{
u8 temp;
if (chg_current < PM8921_CHG_IUSB_MIN
|| chg_current > PM8921_CHG_IUSB_MAX) {
pr_err("bad mA=%d asked to set\n", chg_current);
return -EINVAL;
}
temp = chg_current << 2;
return pm_chg_masked_write(chip, PBL_ACCESS2, PM8921_CHG_IUSB_MASK,
temp);
}
static int pm_chg_vbatdet_set(struct pm8921_chg_chip *chip, int voltage)
{
u8 temp;
if (voltage < PM8921_CHG_VBATDET_MIN
|| voltage > PM8921_CHG_VBATDET_MAX) {
pr_err("bad mV=%d asked to set\n", voltage);
return -EINVAL;
}
temp = (voltage - PM8921_CHG_V_MIN_MV) / PM8921_CHG_V_STEP_MV;
pr_debug("voltage=%d setting %02x\n", voltage, temp);
return pm_chg_masked_write(chip, CHG_VBAT_DET, PM8921_CHG_V_MASK, temp);
}
static int pm_chg_disable_wd(struct pm8921_chg_chip *chip)
{
/* writing 0 to the wd timer disables it */
return pm_chg_masked_write(chip, CHG_TWDOG, PM8921_CHG_WD_MASK,
0);
}
static int pm_chg_charge_dis(struct pm8921_chg_chip *chip, int disable)
{
return pm_chg_masked_write(chip, CHG_CNTRL, CHG_CHARGE_DIS_BIT,
disable ? CHG_CHARGE_DIS_BIT : 0);
}
static int pm_chg_auto_enable(struct pm8921_chg_chip *chip, int enable)
{
return pm_chg_masked_write(chip, CHG_CNTRL_3, CHG_EN_BIT,
enable ? CHG_EN_BIT : 0);
}
static int pm_chg_usb_suspend_enable(struct pm8921_chg_chip *chip, int enable)
{
return pm_chg_masked_write(chip, CHG_CNTRL_3, CHG_USB_SUSPEND_BIT,
enable ? CHG_USB_SUSPEND_BIT : 0);
}