diff options
Diffstat (limited to 'drivers/adc')
| -rw-r--r-- | drivers/adc/adc-uclass.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/adc/adc-uclass.c b/drivers/adc/adc-uclass.c index 9646e4d706..6074eccbf0 100644 --- a/drivers/adc/adc-uclass.c +++ b/drivers/adc/adc-uclass.c @@ -51,23 +51,21 @@ static int check_channel(struct udevice *dev, int value, bool number_or_mask, static int adc_supply_enable(struct udevice *dev) { struct adc_uclass_plat *uc_pdata = dev_get_uclass_plat(dev); - const char *supply_type; - int ret = 0; + int ret; - if (uc_pdata->vdd_supply) { - supply_type = "vdd"; - ret = regulator_set_enable(uc_pdata->vdd_supply, true); + ret = regulator_set_enable_if_allowed(uc_pdata->vdd_supply, true); + if (ret && ret != -ENOSYS) { + pr_err("%s: can't enable vdd-supply!", dev->name); + return ret; } - if (!ret && uc_pdata->vss_supply) { - supply_type = "vss"; - ret = regulator_set_enable(uc_pdata->vss_supply, true); + ret = regulator_set_enable_if_allowed(uc_pdata->vss_supply, true); + if (ret && ret != -ENOSYS) { + pr_err("%s: can't enable vss-supply!", dev->name); + return ret; } - if (ret) - pr_err("%s: can't enable %s-supply!", dev->name, supply_type); - - return ret; + return 0; } int adc_data_mask(struct udevice *dev, unsigned int *data_mask) |