regulator: Add missing n_voltages setting for max8925
The n_voltages are the same for all regulators: (max - min / step) + 1 == 64.
The vol_shift is always 0, and the vol_nbits is always the same as n_voltages
setting. Thus we can remove vol_shitf and vol_nbits fields from struct
max8925_regulator_info.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/regulator/max8925-regulator.c b/drivers/regulator/max8925-regulator.c
index ad8b093..a62f3b5 100644
--- a/drivers/regulator/max8925-regulator.c
+++ b/drivers/regulator/max8925-regulator.c
@@ -42,8 +42,6 @@
int max_uV;
int step_uV;
int vol_reg;
- int vol_shift;
- int vol_nbits;
int enable_reg;
};
@@ -75,8 +73,7 @@
}
data = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
*selector = data;
- data <<= info->vol_shift;
- mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
+ mask = rdev->desc->n_voltages - 1;
return max8925_set_bits(info->i2c, info->vol_reg, mask, data);
}
@@ -90,8 +87,8 @@
ret = max8925_reg_read(info->i2c, info->vol_reg);
if (ret < 0)
return ret;
- mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
- data = (ret & mask) >> info->vol_shift;
+ mask = rdev->desc->n_voltages - 1;
+ data = ret & mask;
return max8925_list_voltage(rdev, data);
}
@@ -191,13 +188,12 @@
.type = REGULATOR_VOLTAGE, \
.id = MAX8925_ID_SD##_id, \
.owner = THIS_MODULE, \
+ .n_voltages = 64, \
}, \
.min_uV = min * 1000, \
.max_uV = max * 1000, \
.step_uV = step * 1000, \
.vol_reg = MAX8925_SDV##_id, \
- .vol_shift = 0, \
- .vol_nbits = 6, \
.enable_reg = MAX8925_SDCTL##_id, \
}
@@ -209,13 +205,12 @@
.type = REGULATOR_VOLTAGE, \
.id = MAX8925_ID_LDO##_id, \
.owner = THIS_MODULE, \
+ .n_voltages = 64, \
}, \
.min_uV = min * 1000, \
.max_uV = max * 1000, \
.step_uV = step * 1000, \
.vol_reg = MAX8925_LDOVOUT##_id, \
- .vol_shift = 0, \
- .vol_nbits = 6, \
.enable_reg = MAX8925_LDOCTL##_id, \
}
