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path: root/drivers/regulator/pcap-regulator.c
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Diffstat (limited to 'drivers/regulator/pcap-regulator.c')
-rw-r--r--drivers/regulator/pcap-regulator.c54
1 files changed, 17 insertions, 37 deletions
diff --git a/drivers/regulator/pcap-regulator.c b/drivers/regulator/pcap-regulator.c
index a5aab1b08bcf..8211101121f0 100644
--- a/drivers/regulator/pcap-regulator.c
+++ b/drivers/regulator/pcap-regulator.c
@@ -150,57 +150,33 @@ static struct pcap_regulator vreg_table[] = {
VREG_INFO(SW2S, PCAP_REG_LOWPWR, NA, 20, NA, NA), */
};
-static int pcap_regulator_set_voltage(struct regulator_dev *rdev,
- int min_uV, int max_uV,
- unsigned *selector)
+static int pcap_regulator_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned selector)
{
struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
void *pcap = rdev_get_drvdata(rdev);
- int uV;
- u8 i;
/* the regulator doesn't support voltage switching */
if (vreg->n_voltages == 1)
return -EINVAL;
- for (i = 0; i < vreg->n_voltages; i++) {
- /* For V1 the first is not the best match */
- if (i == 0 && rdev_get_id(rdev) == V1)
- i = 1;
- else if (i + 1 == vreg->n_voltages && rdev_get_id(rdev) == V1)
- i = 0;
-
- uV = vreg->voltage_table[i] * 1000;
- if (min_uV <= uV && uV <= max_uV) {
- *selector = i;
- return ezx_pcap_set_bits(pcap, vreg->reg,
- (vreg->n_voltages - 1) << vreg->index,
- i << vreg->index);
- }
-
- if (i == 0 && rdev_get_id(rdev) == V1)
- i = vreg->n_voltages - 1;
- }
-
- /* the requested voltage range is not supported by this regulator */
- return -EINVAL;
+ return ezx_pcap_set_bits(pcap, vreg->reg,
+ (vreg->n_voltages - 1) << vreg->index,
+ selector << vreg->index);
}
-static int pcap_regulator_get_voltage(struct regulator_dev *rdev)
+static int pcap_regulator_get_voltage_sel(struct regulator_dev *rdev)
{
struct pcap_regulator *vreg = &vreg_table[rdev_get_id(rdev)];
void *pcap = rdev_get_drvdata(rdev);
u32 tmp;
- int mV;
if (vreg->n_voltages == 1)
- return vreg->voltage_table[0] * 1000;
+ return 0;
ezx_pcap_read(pcap, vreg->reg, &tmp);
tmp = ((tmp >> vreg->index) & (vreg->n_voltages - 1));
- mV = vreg->voltage_table[tmp];
-
- return mV * 1000;
+ return tmp;
}
static int pcap_regulator_enable(struct regulator_dev *rdev)
@@ -248,8 +224,8 @@ static int pcap_regulator_list_voltage(struct regulator_dev *rdev,
static struct regulator_ops pcap_regulator_ops = {
.list_voltage = pcap_regulator_list_voltage,
- .set_voltage = pcap_regulator_set_voltage,
- .get_voltage = pcap_regulator_get_voltage,
+ .set_voltage_sel = pcap_regulator_set_voltage_sel,
+ .get_voltage_sel = pcap_regulator_get_voltage_sel,
.enable = pcap_regulator_enable,
.disable = pcap_regulator_disable,
.is_enabled = pcap_regulator_is_enabled,
@@ -265,7 +241,7 @@ static struct regulator_ops pcap_regulator_ops = {
.owner = THIS_MODULE, \
}
-static struct regulator_desc pcap_regulators[] = {
+static const struct regulator_desc pcap_regulators[] = {
VREG(V1), VREG(V2), VREG(V3), VREG(V4), VREG(V5), VREG(V6), VREG(V7),
VREG(V8), VREG(V9), VREG(V10), VREG(VAUX1), VREG(VAUX2), VREG(VAUX3),
VREG(VAUX4), VREG(VSIM), VREG(VSIM2), VREG(VVIB), VREG(SW1), VREG(SW2),
@@ -275,9 +251,13 @@ static int __devinit pcap_regulator_probe(struct platform_device *pdev)
{
struct regulator_dev *rdev;
void *pcap = dev_get_drvdata(pdev->dev.parent);
+ struct regulator_config config = { };
+
+ config.dev = &pdev->dev;
+ config.init_data = pdev->dev.platform_data;
+ config.driver_data = pcap;
- rdev = regulator_register(&pcap_regulators[pdev->id], &pdev->dev,
- pdev->dev.platform_data, pcap, NULL);
+ rdev = regulator_register(&pcap_regulators[pdev->id], &config);
if (IS_ERR(rdev))
return PTR_ERR(rdev);