---

yaml --- r: 82236 b: refs/heads/master c: d4a8d46 h: refs/heads/master v: v3
git-mirror · Feb 1, 2008 · fcd93b5 · fcd93b5
1 parent 81c165b
commit fcd93b5
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Showing 3 changed files with 10 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 26e109b0a90b5ef7b025e44a969836ab9a598ffc
+refs/heads/master: d4a8d46d9129fbb26b4c2d3143b1b0975a9b4ae4
diff --git a/trunk/drivers/usb/gadget/pxa2xx_udc.c b/trunk/drivers/usb/gadget/pxa2xx_udc.c
@@ -127,8 +127,10 @@ static int is_vbus_present(void)
 {
 	struct pxa2xx_udc_mach_info		*mach = the_controller->mach;
 
-	if (mach->gpio_vbus)
-		return gpio_get_value(mach->gpio_vbus);
+	if (mach->gpio_vbus) {
+		int value = gpio_get_value(mach->gpio_vbus);
+		return mach->gpio_vbus_inverted ? !value : value;
+	}
 	if (mach->udc_is_connected)
 		return mach->udc_is_connected();
 	return 1;
@@ -1398,6 +1400,9 @@ static irqreturn_t udc_vbus_irq(int irq, void *_dev)
 	struct pxa2xx_udc	*dev = _dev;
 	int			vbus = gpio_get_value(dev->mach->gpio_vbus);
 
+	if (dev->mach->gpio_vbus_inverted)
+		vbus = !vbus;
+
 	pxa2xx_udc_vbus_session(&dev->gadget, vbus);
 	return IRQ_HANDLED;
 }

diff --git a/trunk/include/asm-arm/mach/udc_pxa2xx.h b/trunk/include/asm-arm/mach/udc_pxa2xx.h
@@ -19,7 +19,9 @@ struct pxa2xx_udc_mach_info {
 	 * with on-chip GPIOs not Lubbock's wierd hardware, can have a sane
 	 * VBUS IRQ and omit the methods above.  Store the GPIO number
 	 * here; for GPIO 0, also mask in one of the pxa_gpio_mode() bits.
+	 * Note that sometimes the signals go through inverters...
 	 */
+	bool	gpio_vbus_inverted;
 	u16	gpio_vbus;			/* high == vbus present */
 	u16	gpio_pullup;			/* high == pullup activated */
 };