The user can read it through sys entry. Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx> --- drivers/usb/gadget/udc/udc-core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c index 86d4d19..4f1aed4 100644 --- a/drivers/usb/gadget/udc/udc-core.c +++ b/drivers/usb/gadget/udc/udc-core.c @@ -623,6 +623,7 @@ static USB_UDC_ATTR(is_a_peripheral); static USB_UDC_ATTR(b_hnp_enable); static USB_UDC_ATTR(a_hnp_support); static USB_UDC_ATTR(a_alt_hnp_support); +static USB_UDC_ATTR(is_selfpowered); static struct attribute *usb_udc_attrs[] = { &dev_attr_srp.attr, @@ -636,6 +637,7 @@ static struct attribute *usb_udc_attrs[] = { &dev_attr_b_hnp_enable.attr, &dev_attr_a_hnp_support.attr, &dev_attr_a_alt_hnp_support.attr, + &dev_attr_is_selfpowered.attr, NULL, }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html