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Message-ID: <1353983254.5422.6.camel@phoenix>
Date: Tue, 27 Nov 2012 10:27:34 +0800
From: Axel Lin <axel.lin@...ics.com>
To: Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc: Graeme Gregory <gg@...mlogic.co.uk>, Liam Girdwood <lrg@...com>,
linux-kernel@...r.kernel.org
Subject: [RFC/RFT][PATCH 3/4] regulator: palmas: Use linear_min_sel and
regulator_[map|list]_voltage_linear
Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
drivers/regulator/palmas-regulator.c | 37 +++++-----------------------------
1 file changed, 5 insertions(+), 32 deletions(-)
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index 3d44592..d5b0408 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -436,44 +436,14 @@ static int palmas_is_enabled_ldo(struct regulator_dev *dev)
return !!(reg);
}
-static int palmas_list_voltage_ldo(struct regulator_dev *dev,
- unsigned selector)
-{
- if (!selector)
- return 0;
-
- /* voltage is 0.85V + (selector * 0.05v) */
- return 850000 + (selector * 50000);
-}
-
-static int palmas_map_voltage_ldo(struct regulator_dev *rdev,
- int min_uV, int max_uV)
-{
- int ret, voltage;
-
- if (min_uV == 0)
- return 0;
-
- if (min_uV < 900000)
- min_uV = 900000;
- ret = DIV_ROUND_UP(min_uV - 900000, 50000) + 1;
-
- /* Map back into a voltage to verify we're still in bounds */
- voltage = palmas_list_voltage_ldo(rdev, ret);
- if (voltage < min_uV || voltage > max_uV)
- return -EINVAL;
-
- return ret;
-}
-
static struct regulator_ops palmas_ops_ldo = {
.is_enabled = palmas_is_enabled_ldo,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
- .list_voltage = palmas_list_voltage_ldo,
- .map_voltage = palmas_map_voltage_ldo,
+ .list_voltage = regulator_list_voltage_linear,
+ .map_voltage = regulator_map_voltage_linear,
};
/*
@@ -821,6 +791,9 @@ static int palmas_probe(struct platform_device *pdev)
pmic->desc[id].type = REGULATOR_VOLTAGE;
pmic->desc[id].owner = THIS_MODULE;
+ pmic->desc[id].min_uV = 900000;
+ pmic->desc[id].uV_step = 50000;
+ pmic->desc[id].linear_min_sel = 1;
pmic->desc[id].vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
palmas_regs_info[id].vsel_addr);
pmic->desc[id].vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
--
1.7.9.5
--
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