regulator: anatop: Fail on invalid voltage selector

A '0' voltage selector is invalid and can't be used with this driver.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Markus Pargmann 2014-10-06 21:33:37 +02:00 committed by Mark Brown
parent fe08be3ec8
commit da0607c8df

View file

@ -291,6 +291,11 @@ static int anatop_regulator_probe(struct platform_device *pdev)
*/
if (!sreg->sel && !strcmp(sreg->name, "vddpu"))
sreg->sel = 22;
if (!sreg->sel) {
dev_err(&pdev->dev, "Failed to read a valid default voltage selector.\n");
return -EINVAL;
}
} else {
rdesc->ops = &anatop_rops;
}