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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-12-11 13:44:55 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-12-11 13:44:55 +0100
commit4ffc45c3604dd8e283884ce006faf0e955cbd9e6 (patch)
treeb646d318e41fb770c18ad066cd3a4c42eda8ffc5
parentMerge remote-tracking branch 'regulator/topic/change' into regulator-next (diff)
parentregulator: s5m8767: Fix to work even if no DVS gpio present (diff)
downloadlinux-4ffc45c3604dd8e283884ce006faf0e955cbd9e6.tar.xz
linux-4ffc45c3604dd8e283884ce006faf0e955cbd9e6.zip
Merge remote-tracking branch 'regulator/topic/sm8767' into regulator-next
-rw-r--r--drivers/regulator/s5m8767.c40
1 files changed, 26 insertions, 14 deletions
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 2b822bec3c2d..9f991f2c525a 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -168,7 +168,7 @@ static unsigned int s5m8767_opmode_reg[][4] = {
static int s5m8767_get_register(struct regulator_dev *rdev, int *reg,
int *enable_ctrl)
{
- int reg_id = rdev_get_id(rdev);
+ int i, reg_id = rdev_get_id(rdev);
unsigned int mode;
struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev);
@@ -195,8 +195,17 @@ static int s5m8767_get_register(struct regulator_dev *rdev, int *reg,
return -EINVAL;
}
- mode = s5m8767->opmode[reg_id].mode;
- *enable_ctrl = s5m8767_opmode_reg[reg_id][mode] << S5M8767_ENCTRL_SHIFT;
+ for (i = 0; i < s5m8767->num_regulators; i++) {
+ if (s5m8767->opmode[i].id == reg_id) {
+ mode = s5m8767->opmode[i].mode;
+ break;
+ }
+ }
+
+ if (i < s5m8767->num_regulators)
+ *enable_ctrl =
+ s5m8767_opmode_reg[reg_id][mode] << S5M8767_ENCTRL_SHIFT;
+
return 0;
}
@@ -263,17 +272,17 @@ static int s5m8767_get_voltage_register(struct regulator_dev *rdev, int *_reg)
reg = S5M8767_REG_BUCK1CTRL2;
break;
case S5M8767_BUCK2:
- reg = S5M8767_REG_BUCK2DVS2;
+ reg = S5M8767_REG_BUCK2DVS1;
if (s5m8767->buck2_gpiodvs)
reg += s5m8767->buck_gpioindex;
break;
case S5M8767_BUCK3:
- reg = S5M8767_REG_BUCK3DVS2;
+ reg = S5M8767_REG_BUCK3DVS1;
if (s5m8767->buck3_gpiodvs)
reg += s5m8767->buck_gpioindex;
break;
case S5M8767_BUCK4:
- reg = S5M8767_REG_BUCK4DVS2;
+ reg = S5M8767_REG_BUCK4DVS1;
if (s5m8767->buck4_gpiodvs)
reg += s5m8767->buck_gpioindex;
break;
@@ -547,7 +556,7 @@ static int s5m8767_pmic_probe(struct platform_device *pdev)
rdev = s5m8767->rdev;
s5m8767->dev = &pdev->dev;
s5m8767->iodev = iodev;
- s5m8767->num_regulators = S5M8767_REG_MAX - 2;
+ s5m8767->num_regulators = pdata->num_regulators;
platform_set_drvdata(pdev, s5m8767);
s5m8767->buck_gpioindex = pdata->buck_default_idx;
@@ -617,9 +626,16 @@ static int s5m8767_pmic_probe(struct platform_device *pdev)
}
}
- if (gpio_is_valid(pdata->buck_gpios[0]) &&
- gpio_is_valid(pdata->buck_gpios[1]) &&
- gpio_is_valid(pdata->buck_gpios[2])) {
+ if (pdata->buck2_gpiodvs || pdata->buck3_gpiodvs ||
+ pdata->buck4_gpiodvs) {
+
+ if (!gpio_is_valid(pdata->buck_gpios[0]) ||
+ !gpio_is_valid(pdata->buck_gpios[1]) ||
+ !gpio_is_valid(pdata->buck_gpios[2])) {
+ dev_err(&pdev->dev, "GPIO NOT VALID\n");
+ return -EINVAL;
+ }
+
ret = devm_gpio_request(&pdev->dev, pdata->buck_gpios[0],
"S5M8767 SET1");
if (ret)
@@ -644,10 +660,6 @@ static int s5m8767_pmic_probe(struct platform_device *pdev)
/* SET3 GPIO */
gpio_direction_output(pdata->buck_gpios[2],
(s5m8767->buck_gpioindex >> 0) & 0x1);
- } else {
- dev_err(&pdev->dev, "GPIO NOT VALID\n");
- ret = -EINVAL;
- return ret;
}
ret = devm_gpio_request(&pdev->dev, pdata->buck_ds[0], "S5M8767 DS2");