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authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>2013-11-13 12:33:00 +0100
committerMark Brown <broonie@linaro.org>2013-11-13 14:00:51 +0000
commitf446043f1aa74c2d699db48ba4a7a075b88dc14d (patch)
treeb922e32aa5cfeed3dd2a44dff018c8acbacfe362 /drivers
parentd4d5cef649d1042454c286474343cec50ff1cb60 (diff)
downloadlinux-f446043f1aa74c2d699db48ba4a7a075b88dc14d.tar.gz
regulator: fixed: fix regulator_list_voltage() for regression
Commit c368e5fc2a190923b786f2de3e79430ea3566a25 "regulator: fixed:
get rid of {get|list}_voltage()" broke regulator_list_voltage() for
the fixed regulator, because an earlier commit
5a523605afa7d3b54b2e7041f8c9e6bc39872a7e "regulator: core: provide
fixed voltage in desc for single voltage rail" missed to add support
for the fixed-voltage special case to that function. This patch
fixes that regression.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/regulator/core.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 6382f0af353b..3fe13130baec 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2184,6 +2184,9 @@ int regulator_list_voltage(struct regulator *regulator, unsigned selector)
 	struct regulator_ops	*ops = rdev->desc->ops;
 	int			ret;
 
+	if (rdev->desc->fixed_uV && rdev->desc->n_voltages == 1 && !selector)
+		return rdev->desc->fixed_uV;
+
 	if (!ops->list_voltage || selector >= rdev->desc->n_voltages)
 		return -EINVAL;