From: Madhusudhan Chikkature<[EMAIL PROTECTED]>
This patch calls the functionality supported by the TWL4030 battery charger
interface driver
to enable/disable battery charging upon cable attach/detach.
Signed-off-by: Madhusudhan Chikkature<[EMAIL PROTECTED]>
---
drivers/i2c/chips/twl4030-usb.c | 7 +++++--
include/linux/i2c/twl4030.h | 7 +++++++
2 files changed, 12 insertions(+), 2 deletions(-)
Index: linux-omap-2.6/drivers/i2c/chips/twl4030-usb.c
===================================================================
--- linux-omap-2.6.orig/drivers/i2c/chips/twl4030-usb.c 2008-07-03
16:09:05.000000000 +0530
+++ linux-omap-2.6/drivers/i2c/chips/twl4030-usb.c 2008-07-03
17:03:30.000000000 +0530
@@ -601,10 +601,13 @@ static irqreturn_t twl4030_usb_irq(int i
goto done;
}
- if (val & USB_PRES_RISING)
+ if (val & USB_PRES_RISING) {
twl4030_phy_resume();
- else
+ twl4030charger_usb_en(1);
+ } else {
+ twl4030charger_usb_en(0);
twl4030_phy_suspend(0);
+ }
ret = IRQ_HANDLED;
Index: linux-omap-2.6/include/linux/i2c/twl4030.h
===================================================================
--- linux-omap-2.6.orig/include/linux/i2c/twl4030.h 2008-07-03
16:09:05.000000000 +0530
+++ linux-omap-2.6/include/linux/i2c/twl4030.h 2008-07-03 17:03:30.000000000
+0530
@@ -127,4 +127,11 @@ int twl4030_set_gpio_edge_ctrl(int gpio,
int twl4030_set_gpio_debounce(int gpio, int enable);
int twl4030_free_gpio(int gpio);
+#if defined(CONFIG_TWL4030_BCI_BATTERY) || \
+ defined(CONFIG_TWL4030_BCI_BATTERY_MODULE)
+ extern int twl4030charger_usb_en(int enable);
+#else
+ static inline int twl4030charger_usb_en(int enable) { return 0; }
+#endif
+
#endif /* End of __TWL4030_H */
--
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