diff options
author | Axel Lin <axel.lin@gmail.com> | 2012-06-03 11:02:34 -0400 |
---|---|---|
committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-06-11 00:01:41 -0400 |
commit | d01c3a1e1b1e4e417202adf1e9dec0730eb00e2b (patch) | |
tree | 0cbc0450154244b2c4df90cedcf3a7c1bf8503fb /drivers/regulator/anatop-regulator.c | |
parent | ea7e33045458ffd6d13175031527b6527807633c (diff) |
regulator: anatop: Convert to set_voltage_sel and regulator_map_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/anatop-regulator.c')
-rw-r--r-- | drivers/regulator/anatop-regulator.c | 29 |
1 files changed, 6 insertions, 23 deletions
diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c index d04cf2113245..4324cea01141 100644 --- a/drivers/regulator/anatop-regulator.c +++ b/drivers/regulator/anatop-regulator.c | |||
@@ -43,33 +43,15 @@ struct anatop_regulator { | |||
43 | struct regulator_init_data *initdata; | 43 | struct regulator_init_data *initdata; |
44 | }; | 44 | }; |
45 | 45 | ||
46 | static int anatop_set_voltage(struct regulator_dev *reg, int min_uV, | 46 | static int anatop_set_voltage_sel(struct regulator_dev *reg, unsigned selector) |
47 | int max_uV, unsigned *selector) | ||
48 | { | 47 | { |
49 | struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg); | 48 | struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg); |
50 | u32 val, sel, mask; | 49 | u32 val, mask; |
51 | int uv; | ||
52 | |||
53 | uv = min_uV; | ||
54 | dev_dbg(®->dev, "%s: uv %d, min %d, max %d\n", __func__, | ||
55 | uv, anatop_reg->min_voltage, | ||
56 | anatop_reg->max_voltage); | ||
57 | |||
58 | if (uv < anatop_reg->min_voltage) { | ||
59 | if (max_uV > anatop_reg->min_voltage) | ||
60 | uv = anatop_reg->min_voltage; | ||
61 | else | ||
62 | return -EINVAL; | ||
63 | } | ||
64 | 50 | ||
65 | if (!anatop_reg->control_reg) | 51 | if (!anatop_reg->control_reg) |
66 | return -ENOTSUPP; | 52 | return -ENOTSUPP; |
67 | 53 | ||
68 | sel = DIV_ROUND_UP(uv - anatop_reg->min_voltage, 25000); | 54 | val = anatop_reg->min_bit_val + selector; |
69 | if (sel * 25000 + anatop_reg->min_voltage > anatop_reg->max_voltage) | ||
70 | return -EINVAL; | ||
71 | val = anatop_reg->min_bit_val + sel; | ||
72 | *selector = sel; | ||
73 | dev_dbg(®->dev, "%s: calculated val %d\n", __func__, val); | 55 | dev_dbg(®->dev, "%s: calculated val %d\n", __func__, val); |
74 | mask = ((1 << anatop_reg->vol_bit_width) - 1) << | 56 | mask = ((1 << anatop_reg->vol_bit_width) - 1) << |
75 | anatop_reg->vol_bit_shift; | 57 | anatop_reg->vol_bit_shift; |
@@ -95,9 +77,10 @@ static int anatop_get_voltage_sel(struct regulator_dev *reg) | |||
95 | } | 77 | } |
96 | 78 | ||
97 | static struct regulator_ops anatop_rops = { | 79 | static struct regulator_ops anatop_rops = { |
98 | .set_voltage = anatop_set_voltage, | 80 | .set_voltage_sel = anatop_set_voltage_sel, |
99 | .get_voltage_sel = anatop_get_voltage_sel, | 81 | .get_voltage_sel = anatop_get_voltage_sel, |
100 | .list_voltage = regulator_list_voltage_linear, | 82 | .list_voltage = regulator_list_voltage_linear, |
83 | .map_voltage = regulator_map_voltage_linear, | ||
101 | }; | 84 | }; |
102 | 85 | ||
103 | static int __devinit anatop_regulator_probe(struct platform_device *pdev) | 86 | static int __devinit anatop_regulator_probe(struct platform_device *pdev) |