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yaml
---
r: 320491
b: refs/heads/master
c: ab37813
h: refs/heads/master
i:
  320489: 1c0dccf
  320487: 9b660b4
v: v3
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NeilBrown authored and Anton Vorontsov committed Jun 20, 2012
1 parent 82c1b31 commit 5a8d021
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Showing 3 changed files with 21 additions and 5 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 210d4bc8a3128e3e61ac3bf4657114f8e6450e2a
refs/heads/master: ab37813f4093a5f59cb8e083cde277289dc72ed3
9 changes: 5 additions & 4 deletions trunk/drivers/mfd/twl-core.c
Original file line number Diff line number Diff line change
Expand Up @@ -716,8 +716,9 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
static struct regulator_consumer_supply usb1v8 = {
.supply = "usb1v8",
};
static struct regulator_consumer_supply usb3v1 = {
.supply = "usb3v1",
static struct regulator_consumer_supply usb3v1[] = {
{ .supply = "usb3v1" },
{ .supply = "bci3v1" },
};

/* First add the regulators so that they can be used by transceiver */
Expand Down Expand Up @@ -745,7 +746,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
return PTR_ERR(child);

child = add_regulator_linked(TWL4030_REG_VUSB3V1,
&usb_fixed, &usb3v1, 1,
&usb_fixed, usb3v1, 2,
features);
if (IS_ERR(child))
return PTR_ERR(child);
Expand All @@ -766,7 +767,7 @@ add_children(struct twl4030_platform_data *pdata, unsigned irq_base,
if (twl_has_regulator() && child) {
usb1v5.dev_name = dev_name(child);
usb1v8.dev_name = dev_name(child);
usb3v1.dev_name = dev_name(child);
usb3v1[0].dev_name = dev_name(child);
}
}
if (twl_has_usb() && pdata->usb && twl_class_is_6030()) {
Expand Down
15 changes: 15 additions & 0 deletions trunk/drivers/power/twl4030_charger.c
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
#include <linux/power_supply.h>
#include <linux/notifier.h>
#include <linux/usb/otg.h>
#include <linux/regulator/machine.h>

#define TWL4030_BCIMSTATEC 0x02
#define TWL4030_BCIICHG 0x08
Expand Down Expand Up @@ -86,6 +87,8 @@ struct twl4030_bci {
struct work_struct work;
int irq_chg;
int irq_bci;
struct regulator *usb_reg;
int usb_enabled;

unsigned long event;
};
Expand Down Expand Up @@ -183,6 +186,12 @@ static int twl4030_charger_enable_usb(struct twl4030_bci *bci, bool enable)
return -EACCES;
}

/* Need to keep regulator on */
if (!bci->usb_enabled) {
regulator_enable(bci->usb_reg);
bci->usb_enabled = 1;
}

/* forcing the field BCIAUTOUSB (BOOT_BCI[1]) to 1 */
ret = twl4030_clear_set_boot_bci(0, TWL4030_BCIAUTOUSB);
if (ret < 0)
Expand All @@ -193,6 +202,10 @@ static int twl4030_charger_enable_usb(struct twl4030_bci *bci, bool enable)
TWL4030_USBFASTMCHG, TWL4030_BCIMFSTS4);
} else {
ret = twl4030_clear_set_boot_bci(TWL4030_BCIAUTOUSB, 0);
if (bci->usb_enabled) {
regulator_disable(bci->usb_reg);
bci->usb_enabled = 0;
}
}

return ret;
Expand Down Expand Up @@ -511,6 +524,8 @@ static int __init twl4030_bci_probe(struct platform_device *pdev)
bci->usb.num_properties = ARRAY_SIZE(twl4030_charger_props);
bci->usb.get_property = twl4030_bci_get_property;

bci->usb_reg = regulator_get(bci->dev, "bci3v1");

ret = power_supply_register(&pdev->dev, &bci->usb);
if (ret) {
dev_err(&pdev->dev, "failed to register usb: %d\n", ret);
Expand Down

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