From: Madhusudhan Chikkature <madhu.cr@xxxxxx>
This patch updates the twl4030 usb driver to call the functionality supported
by the TWL4030 battery charger interface driver to enable/disable battery
charging upon cable attach/detach.
Signed-off-by: Madhusudhan Chikkature <madhu.cr@xxxxxx>
---
drivers/i2c/chips/twl4030-usb.c | 13 +++++++++++--
1 files changed, 11 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 2008-06-20
15:42:26.000000000 +0530
+++ linux-omap-2.6/drivers/i2c/chips/twl4030-usb.c 2008-06-20
15:47:40.000000000 +0530
@@ -589,6 +589,12 @@
twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0, PROTECT_KEY);
}
+#ifdef CONFIG_TWL4030_BCI_BATTERY
+extern int twl4030charger_usb_en(int enable);
+#else
+static inline int twl4030charger_usb_en(int enable) { return 0; }
+#endif
+
static irqreturn_t twl4030_usb_irq(int irq, void *_twl)
{
int ret = IRQ_NONE;
@@ -601,10 +607,13 @@
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;
--
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