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authorAxel Lin <axel.lin@gmail.com>2012-05-13 22:35:40 -0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-05-14 06:00:39 -0400
commit4093e739f76e1a17b748f9558e3a48a49507885a (patch)
tree14dd0e4ed81e05d707398301bf63b517edd974da /drivers/regulator/max8925-regulator.c
parent3c8983b9ac2f8bf9f23effa4f72ce814f8375397 (diff)
regulator: max8925: Convert to regulator_list_voltage_linear()
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/max8925-regulator.c')
-rw-r--r--drivers/regulator/max8925-regulator.c25
1 files changed, 8 insertions, 17 deletions
diff --git a/drivers/regulator/max8925-regulator.c b/drivers/regulator/max8925-regulator.c
index 529ee4152f11..7dbae399ebcf 100644
--- a/drivers/regulator/max8925-regulator.c
+++ b/drivers/regulator/max8925-regulator.c
@@ -38,9 +38,7 @@ struct max8925_regulator_info {
38 struct i2c_client *i2c; 38 struct i2c_client *i2c;
39 struct max8925_chip *chip; 39 struct max8925_chip *chip;
40 40
41 int min_uV;
42 int max_uV; 41 int max_uV;
43 int step_uV;
44 int vol_reg; 42 int vol_reg;
45 int enable_reg; 43 int enable_reg;
46}; 44};
@@ -48,18 +46,12 @@ struct max8925_regulator_info {
48static inline int check_range(struct max8925_regulator_info *info, 46static inline int check_range(struct max8925_regulator_info *info,
49 int min_uV, int max_uV) 47 int min_uV, int max_uV)
50{ 48{
51 if (min_uV < info->min_uV || min_uV > info->max_uV) 49 if (min_uV < info->desc.min_uV || min_uV > info->max_uV)
52 return -EINVAL; 50 return -EINVAL;
53 51
54 return 0; 52 return 0;
55} 53}
56 54
57static int max8925_list_voltage(struct regulator_dev *rdev, unsigned index)
58{
59 struct max8925_regulator_info *info = rdev_get_drvdata(rdev);
60 return info->min_uV + index * info->step_uV;
61}
62
63static int max8925_set_voltage(struct regulator_dev *rdev, 55static int max8925_set_voltage(struct regulator_dev *rdev,
64 int min_uV, int max_uV, unsigned int *selector) 56 int min_uV, int max_uV, unsigned int *selector)
65{ 57{
@@ -71,7 +63,7 @@ static int max8925_set_voltage(struct regulator_dev *rdev,
71 min_uV, max_uV); 63 min_uV, max_uV);
72 return -EINVAL; 64 return -EINVAL;
73 } 65 }
74 data = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV); 66 data = DIV_ROUND_UP(min_uV - info->desc.min_uV, info->desc.uV_step);
75 *selector = data; 67 *selector = data;
76 mask = rdev->desc->n_voltages - 1; 68 mask = rdev->desc->n_voltages - 1;
77 69
@@ -160,7 +152,7 @@ static int max8925_set_dvm_disable(struct regulator_dev *rdev)
160} 152}
161 153
162static struct regulator_ops max8925_regulator_sdv_ops = { 154static struct regulator_ops max8925_regulator_sdv_ops = {
163 .list_voltage = max8925_list_voltage, 155 .list_voltage = regulator_list_voltage_linear,
164 .set_voltage = max8925_set_voltage, 156 .set_voltage = max8925_set_voltage,
165 .get_voltage_sel = max8925_get_voltage_sel, 157 .get_voltage_sel = max8925_get_voltage_sel,
166 .enable = max8925_enable, 158 .enable = max8925_enable,
@@ -172,7 +164,7 @@ static struct regulator_ops max8925_regulator_sdv_ops = {
172}; 164};
173 165
174static struct regulator_ops max8925_regulator_ldo_ops = { 166static struct regulator_ops max8925_regulator_ldo_ops = {
175 .list_voltage = max8925_list_voltage, 167 .list_voltage = regulator_list_voltage_linear,
176 .set_voltage = max8925_set_voltage, 168 .set_voltage = max8925_set_voltage,
177 .get_voltage_sel = max8925_get_voltage_sel, 169 .get_voltage_sel = max8925_get_voltage_sel,
178 .enable = max8925_enable, 170 .enable = max8925_enable,
@@ -189,10 +181,10 @@ static struct regulator_ops max8925_regulator_ldo_ops = {
189 .id = MAX8925_ID_SD##_id, \ 181 .id = MAX8925_ID_SD##_id, \
190 .owner = THIS_MODULE, \ 182 .owner = THIS_MODULE, \
191 .n_voltages = 64, \ 183 .n_voltages = 64, \
184 .min_uV = min * 1000, \
185 .uV_step = step * 1000, \
192 }, \ 186 }, \
193 .min_uV = min * 1000, \
194 .max_uV = max * 1000, \ 187 .max_uV = max * 1000, \
195 .step_uV = step * 1000, \
196 .vol_reg = MAX8925_SDV##_id, \ 188 .vol_reg = MAX8925_SDV##_id, \
197 .enable_reg = MAX8925_SDCTL##_id, \ 189 .enable_reg = MAX8925_SDCTL##_id, \
198} 190}
@@ -206,10 +198,10 @@ static struct regulator_ops max8925_regulator_ldo_ops = {
206 .id = MAX8925_ID_LDO##_id, \ 198 .id = MAX8925_ID_LDO##_id, \
207 .owner = THIS_MODULE, \ 199 .owner = THIS_MODULE, \
208 .n_voltages = 64, \ 200 .n_voltages = 64, \
201 .min_uV = min * 1000, \
202 .uV_step = step * 1000, \
209 }, \ 203 }, \
210 .min_uV = min * 1000, \
211 .max_uV = max * 1000, \ 204 .max_uV = max * 1000, \
212 .step_uV = step * 1000, \
213 .vol_reg = MAX8925_LDOVOUT##_id, \ 205 .vol_reg = MAX8925_LDOVOUT##_id, \
214 .enable_reg = MAX8925_LDOCTL##_id, \ 206 .enable_reg = MAX8925_LDOCTL##_id, \
215} 207}
@@ -320,4 +312,3 @@ MODULE_LICENSE("GPL");
320MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>"); 312MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
321MODULE_DESCRIPTION("Regulator Driver for Maxim 8925 PMIC"); 313MODULE_DESCRIPTION("Regulator Driver for Maxim 8925 PMIC");
322MODULE_ALIAS("platform:max8925-regulator"); 314MODULE_ALIAS("platform:max8925-regulator");
323