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Diffstat (limited to 'lib/libusb/libusb20.3')
-rw-r--r--lib/libusb/libusb20.310
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/libusb/libusb20.3 b/lib/libusb/libusb20.3
index af80c6ca564e..8d286f13723f 100644
--- a/lib/libusb/libusb20.3
+++ b/lib/libusb/libusb20.3
@@ -26,7 +26,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd August 13, 2012
+.Dd February 14, 2013
.Dt LIBUSB20 3
.Os
.Sh NAME
@@ -149,6 +149,8 @@ USB access library (libusb -lusb)
.Fn libusb20_dev_set_power_mode "struct libusb20_device *pdev" "uint8_t power_mode"
.Ft uint8_t
.Fn libusb20_dev_get_power_mode "struct libusb20_device *pdev"
+.Ft uint16_t
+.Fn libusb20_dev_get_power_usage "struct libusb20_device *pdev"
.Ft int
.Fn libusb20_dev_set_alt_index "struct libusb20_device *pdev" "uint8_t iface_index" "uint8_t alt_index"
.Ft struct LIBUSB20_DEVICE_DESC_DECODED *
@@ -740,6 +742,12 @@ USB device.
.
.Pp
.
+.Fn libusb20_dev_get_power_usage
+returns the reported power usage in milliamps for the given USB device.
+A power usage of zero typically means that the device is self powered.
+.
+.Pp
+.
.Fn libusb20_dev_set_alt_index
will try to set the given alternate index for the given
USB interface index.