From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Sat, 3 Mar 2012 11:40:01 +0000 (+0100)
Subject: regulator fixed: Do not report enumaratable voltages if there are none
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1c37f8a838fa8b1e98a984893bd4f1a8a9849421;p=linux-beck.git

regulator fixed: Do not report enumaratable voltages if there are none

If used as a dummy voltage provider the fixed regulator should
not set n_voltages to make the core accept the device.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c
index e24e3a174c4b..40f38030b394 100644
--- a/drivers/regulator/fixed.c
+++ b/drivers/regulator/fixed.c
@@ -192,7 +192,9 @@ static int __devinit reg_fixed_voltage_probe(struct platform_device *pdev)
 	drvdata->desc.type = REGULATOR_VOLTAGE;
 	drvdata->desc.owner = THIS_MODULE;
 	drvdata->desc.ops = &fixed_voltage_ops;
-	drvdata->desc.n_voltages = 1;
+
+	if (config->microvolts)
+		drvdata->desc.n_voltages = 1;
 
 	drvdata->microvolts = config->microvolts;
 	drvdata->gpio = config->gpio;