From: Balaji T K <balajitk@xxxxxx>
Set the current supplied by dedicated charging port to 1800mV(according to
battery charging specification). Also added a callback function for set_power
to dynamically set the current to be supplied based on the state of the system.
Signed-off-by: Balaji T K <balajitk@xxxxxx>
Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
---
drivers/usb/otg/twl6030-usb.c | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/otg/twl6030-usb.c b/drivers/usb/otg/twl6030-usb.c
index 6cb28ea..1f22c10 100644
--- a/drivers/usb/otg/twl6030-usb.c
+++ b/drivers/usb/otg/twl6030-usb.c
@@ -102,6 +102,7 @@ struct twl6030_usb {
int irq1;
int irq2;
+ unsigned int usb_cinlimit_mA;
u8 linkstat;
u8 asleep;
u8 prev_vbus;
@@ -305,6 +306,7 @@ static irqreturn_t twl6030_usb_irq(int irq, void *_twl)
regulator_disable(twl->usb3v3);
status = USB_EVENT_CHARGER;
twl->xceiv.last_event = status;
+ twl->usb_cinlimit_mA = 1800;
} else {
regulator_disable(twl->usb3v3);
goto vbus_notify;
@@ -435,6 +437,16 @@ static int twl6030_set_host(struct usb_otg *otg, struct usb_bus *host)
return 0;
}
+static int twl6030_set_power(struct usb_phy *x, unsigned int mA)
+{
+ struct twl6030_usb *twl = xceiv_to_twl(x);
+
+ twl->usb_cinlimit_mA = mA;
+ atomic_notifier_call_chain(&twl->xceiv.notifier, USB_EVENT_ENUMERATED,
+ &twl->usb_cinlimit_mA);
+ return 0;
+}
+
static int __devinit twl6030_usb_probe(struct platform_device *pdev)
{
struct twl6030_usb *twl;
@@ -463,6 +475,7 @@ static int __devinit twl6030_usb_probe(struct platform_device *pdev)
twl->xceiv.label = "twl6030";
twl->xceiv.otg = otg;
twl->xceiv.init = twl6030_phy_init;
+ twl->xceiv.set_power = twl6030_set_power;
twl->xceiv.shutdown = twl6030_phy_shutdown;
twl->xceiv.set_suspend = twl6030_phy_suspend;
--
1.7.0.4
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