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Message-ID: <1374210382.895.2.camel@phoenix>
Date: Fri, 19 Jul 2013 13:06:22 +0800
From: Axel Lin <axel.lin@...ics.com>
To: Mark Brown <broonie@...nel.org>
Cc: "Joseph(Yossi) Hanin" <yhanin@...vell.com>,
Yi Zhang <yizhang@...vell.com>,
Chao Xie <chao.xie@...vell.com>,
Liam Girdwood <lgirdwood@...il.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH] regulator: 88pm800: Add missing n_voltages setting for bucks
Some regulator APIs are broken if n_voltages setting is not set.
e.g. regulator_count_voltages(), regulator_list_voltage(), and
regulator_can_change_voltage() do not work if n_voltages setting is missing.
Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
drivers/regulator/88pm800.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/regulator/88pm800.c b/drivers/regulator/88pm800.c
index fc0c352..b4c29b1 100644
--- a/drivers/regulator/88pm800.c
+++ b/drivers/regulator/88pm800.c
@@ -91,8 +91,9 @@ struct pm800_regulators {
* amax - the current
* Buck has 2 kinds of voltage steps. It is easy to find voltage by ranges,
* not the constant voltage table.
+ * n_volt - Number of available selectors
*/
-#define PM800_BUCK(vreg, ereg, ebit, amax, volt_ranges) \
+#define PM800_BUCK(vreg, ereg, ebit, amax, volt_ranges, n_volt) \
{ \
.desc = { \
.name = #vreg, \
@@ -100,6 +101,7 @@ struct pm800_regulators {
.type = REGULATOR_VOLTAGE, \
.id = PM800_ID_##vreg, \
.owner = THIS_MODULE, \
+ .n_voltages = n_volt, \
.linear_ranges = volt_ranges, \
.n_linear_ranges = ARRAY_SIZE(volt_ranges), \
.vsel_reg = PM800_##vreg, \
@@ -204,11 +206,11 @@ static struct regulator_ops pm800_volt_table_ops = {
/* The array is indexed by id(PM800_ID_XXX) */
static struct pm800_regulator_info pm800_regulator_info[] = {
- PM800_BUCK(BUCK1, BUCK_ENA, 0, 3000000, buck1_volt_range),
- PM800_BUCK(BUCK2, BUCK_ENA, 1, 1200000, buck2_5_volt_range),
- PM800_BUCK(BUCK3, BUCK_ENA, 2, 1200000, buck2_5_volt_range),
- PM800_BUCK(BUCK4, BUCK_ENA, 3, 1200000, buck2_5_volt_range),
- PM800_BUCK(BUCK5, BUCK_ENA, 4, 1200000, buck2_5_volt_range),
+ PM800_BUCK(BUCK1, BUCK_ENA, 0, 3000000, buck1_volt_range, 0x55),
+ PM800_BUCK(BUCK2, BUCK_ENA, 1, 1200000, buck2_5_volt_range, 0x73),
+ PM800_BUCK(BUCK3, BUCK_ENA, 2, 1200000, buck2_5_volt_range, 0x73),
+ PM800_BUCK(BUCK4, BUCK_ENA, 3, 1200000, buck2_5_volt_range, 0x73),
+ PM800_BUCK(BUCK5, BUCK_ENA, 4, 1200000, buck2_5_volt_range, 0x73),
PM800_LDO(LDO1, LDO_ENA1_1, 0, 200000, ldo1_volt_table),
PM800_LDO(LDO2, LDO_ENA1_1, 1, 10000, ldo2_volt_table),
--
1.8.1.2
--
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