/* Common helper routine to turn on all WCNSS vregs e.g. IRIS, Riva */
static int wcnss_vregs_on(struct device *dev,
struct vregs_info regulators[], uint size)
{
int i, rc = 0;
for (i = 0; i < size; i++) {
/* Get regulator source */
regulators[i].regulator =
regulator_get(dev, regulators[i].name);
if (IS_ERR(regulators[i].regulator)) {
rc = PTR_ERR(regulators[i].regulator);
pr_err("regulator get of %s failed (%d)\n",
regulators[i].name, rc);
goto fail;
}
regulators[i].state |= VREG_GET_REGULATOR_MASK;
/* Set voltage to nominal. Exclude swtiches e.g. LVS */
if (regulators[i].nominal_min || regulators[i].max_voltage) {
rc = regulator_set_voltage(regulators[i].regulator,
regulators[i].nominal_min,
regulators[i].max_voltage);
if (rc) {
pr_err("regulator_set_voltage(%s) failed (%d)\n",
regulators[i].name, rc);
goto fail;
}
regulators[i].state |= VREG_SET_VOLTAGE_MASK;
}
/* Vote for PWM/PFM mode if needed */
if (regulators[i].uA_load) {
rc = regulator_set_optimum_mode(regulators[i].regulator,
regulators[i].uA_load);
if (rc < 0) {
pr_err("regulator_set_optimum_mode(%s) failed (%d)\n",
regulators[i].name, rc);
goto fail;
}
regulators[i].state |= VREG_OPTIMUM_MODE_MASK;
}
/* Enable the regulator */
rc = regulator_enable(regulators[i].regulator);
if (rc) {
pr_err("vreg %s enable failed (%d)\n",
regulators[i].name, rc);
goto fail;
}
regulators[i].state |= VREG_ENABLE_MASK;
}
return rc;
fail:
wcnss_vregs_off(regulators, size);
return rc;
}
static void wcnss_riva_vregs_off(void)
{
wcnss_vregs_off(riva_vregs, ARRAY_SIZE(riva_vregs));
}
static void wcnss_iris_vregs_off(void)
{
wcnss_vregs_off(iris_vregs, ARRAY_SIZE(iris_vregs));
}
