linux-kernel - [PATCH] regulator: tps80031: Implement list_voltage and set n

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Date:	Fri, 23 Nov 2012 09:25:54 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	Laxman Dewangan <ldewangan@...dia.com>, Liam Girdwood <lrg@...com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] regulator: tps80031: Implement list_voltage and set
 n_voltages = 1 for fixed regulators

Implement list_voltage for fixed regulators, otherwise
regulator_is_supported_voltage() returns 0.

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/regulator/tps80031-regulator.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/regulator/tps80031-regulator.c b/drivers/regulator/tps80031-regulator.c
index 6d5f203..50f89b0 100644
--- a/drivers/regulator/tps80031-regulator.c
+++ b/drivers/regulator/tps80031-regulator.c
@@ -407,15 +407,18 @@ static struct regulator_ops tps80031_ldo_ops = {
 };
 
 static struct regulator_ops tps80031_vbus_sw_ops = {
+	.list_voltage	= regulator_list_voltage_linear,
 	.enable		= tps80031_vbus_enable,
 	.disable	= tps80031_vbus_disable,
 	.is_enabled	= tps80031_vbus_is_enabled,
 };
 
 static struct regulator_ops tps80031_vbus_hw_ops = {
+	.list_voltage	= regulator_list_voltage_linear,
 };
 
 static struct regulator_ops tps80031_ext_reg_ops = {
+	.list_voltage	= regulator_list_voltage_linear,
 	.enable		= tps80031_reg_enable,
 	.disable	= tps80031_reg_disable,
 	.is_enabled	= tps80031_reg_is_enabled,
@@ -477,7 +480,8 @@ static struct regulator_ops tps80031_ext_reg_ops = {
 	.desc = {						\
 		.name = "tps80031_"#_id,			\
 		.id = TPS80031_REGULATOR_##_id,			\
-		.n_voltages = 2,				\
+		.min_uV = max_mV * 1000,			\
+		.n_voltages = 1,				\
 		.ops = &_ops,					\
 		.type = REGULATOR_VOLTAGE,			\
 		.owner = THIS_MODULE,				\
-- 
1.7.9.5



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