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regulator: wm8350: Convert to use regulator_set/get_current_limit_regmap 

Use regulator_set/get_current_limit_regmap helpers to save some code.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Axel Lin 2019-03-13 00:33:57 +08:00 committed by Mark Brown
parent d48acfd037
commit dfeb7a93bf
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 11 additions and 70 deletions
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81
drivers/regulator/wm8350-regulator.c
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@ -28,7 +28,7 @@
#define WM8350_DCDC_MAX_VSEL 0x66
/* Microamps */
static const int isink_cur[] = {
static const unsigned int isink_cur[] = {
4,
5,
6,
@ -95,73 +95,6 @@ static const int isink_cur[] = {
223191
};
static int get_isink_val(int min_uA, int max_uA, u16 *setting)
{
int i;
for (i = ARRAY_SIZE(isink_cur) - 1; i >= 0; i--) {
if (min_uA <= isink_cur[i] && max_uA >= isink_cur[i]) {
*setting = i;
return 0;
}
}
return -EINVAL;
}
static int wm8350_isink_set_current(struct regulator_dev *rdev, int min_uA,
int max_uA)
{
struct wm8350 *wm8350 = rdev_get_drvdata(rdev);
int isink = rdev_get_id(rdev);
u16 val, setting;
int ret;
ret = get_isink_val(min_uA, max_uA, &setting);
if (ret != 0)
return ret;
switch (isink) {
case WM8350_ISINK_A:
val = wm8350_reg_read(wm8350, WM8350_CURRENT_SINK_DRIVER_A) &
~WM8350_CS1_ISEL_MASK;
wm8350_reg_write(wm8350, WM8350_CURRENT_SINK_DRIVER_A,
val | setting);
break;
case WM8350_ISINK_B:
val = wm8350_reg_read(wm8350, WM8350_CURRENT_SINK_DRIVER_B) &
~WM8350_CS1_ISEL_MASK;
wm8350_reg_write(wm8350, WM8350_CURRENT_SINK_DRIVER_B,
val | setting);
break;
default:
return -EINVAL;
}
return 0;
}
static int wm8350_isink_get_current(struct regulator_dev *rdev)
{
struct wm8350 *wm8350 = rdev_get_drvdata(rdev);
int isink = rdev_get_id(rdev);
u16 val;
switch (isink) {
case WM8350_ISINK_A:
val = wm8350_reg_read(wm8350, WM8350_CURRENT_SINK_DRIVER_A) &
WM8350_CS1_ISEL_MASK;
break;
case WM8350_ISINK_B:
val = wm8350_reg_read(wm8350, WM8350_CURRENT_SINK_DRIVER_B) &
WM8350_CS1_ISEL_MASK;
break;
default:
return 0;
}
return isink_cur[val];
}
/* turn on ISINK followed by DCDC */
static int wm8350_isink_enable(struct regulator_dev *rdev)
{
@ -982,8 +915,8 @@ static const struct regulator_ops wm8350_ldo_ops = {
};
static const struct regulator_ops wm8350_isink_ops = {
.set_current_limit = wm8350_isink_set_current,
.get_current_limit = wm8350_isink_get_current,
.set_current_limit = regulator_set_current_limit_regmap,
.get_current_limit = regulator_get_current_limit_regmap,
.enable = wm8350_isink_enable,
.disable = wm8350_isink_disable,
.is_enabled = wm8350_isink_is_enabled,
@ -1138,6 +1071,10 @@ static const struct regulator_desc wm8350_reg[NUM_WM8350_REGULATORS] = {
.irq = WM8350_IRQ_CS1,
.type = REGULATOR_CURRENT,
.owner = THIS_MODULE,
.curr_table = isink_cur,
.n_current_limits = ARRAY_SIZE(isink_cur),
.csel_reg = WM8350_CURRENT_SINK_DRIVER_A,
.csel_mask = WM8350_CS1_ISEL_MASK,
},
{
.name = "ISINKB",
@ -1146,6 +1083,10 @@ static const struct regulator_desc wm8350_reg[NUM_WM8350_REGULATORS] = {
.irq = WM8350_IRQ_CS2,
.type = REGULATOR_CURRENT,
.owner = THIS_MODULE,
.curr_table = isink_cur,
.n_current_limits = ARRAY_SIZE(isink_cur),
.csel_reg = WM8350_CURRENT_SINK_DRIVER_B,
.csel_mask = WM8350_CS2_ISEL_MASK,
},
};