regulator: Allow autosetting fixed regulators

Fixed regulators don't have a set_value method. Therefore, trying to
set their value will always return -ENOSYS.

Signed-off-by: Sven Schwermer <sven@svenschwermer.de>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/power/regulator/regulator-uclass.c b/drivers/power/regulator/regulator-uclass.c
index 9118b8e..76be95b 100644 (file)
--- a/drivers/power/regulator/regulator-uclass.c
+++ b/drivers/power/regulator/regulator-uclass.c
@@ -238,6 +238,9 @@ int regulator_autoset(struct udevice *dev)
        if (!uc_pdata->always_on && !uc_pdata->boot_on)
                return -EMEDIUMTYPE;
 
+       if (uc_pdata->type == REGULATOR_TYPE_FIXED)
+               return regulator_set_enable(dev, true);
+
        if (uc_pdata->flags & REGULATOR_FLAG_AUTOSET_UV)
                ret = regulator_set_value(dev, uc_pdata->min_uV);
        if (!ret && (uc_pdata->flags & REGULATOR_FLAG_AUTOSET_UA))