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path: root/lib/libusb/libusb20_ugen20.c
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Diffstat (limited to 'lib/libusb/libusb20_ugen20.c')
-rw-r--r--lib/libusb/libusb20_ugen20.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/libusb/libusb20_ugen20.c b/lib/libusb/libusb20_ugen20.c
index 2c677783d850..bff8e02e7c26 100644
--- a/lib/libusb/libusb20_ugen20.c
+++ b/lib/libusb/libusb20_ugen20.c
@@ -69,6 +69,7 @@ static libusb20_reset_device_t ugen20_reset_device;
static libusb20_check_connected_t ugen20_check_connected;
static libusb20_set_power_mode_t ugen20_set_power_mode;
static libusb20_get_power_mode_t ugen20_get_power_mode;
+static libusb20_get_power_usage_t ugen20_get_power_usage;
static libusb20_kernel_driver_active_t ugen20_kernel_driver_active;
static libusb20_detach_kernel_driver_t ugen20_detach_kernel_driver;
static libusb20_do_request_sync_t ugen20_do_request_sync;
@@ -639,6 +640,18 @@ ugen20_get_power_mode(struct libusb20_device *pdev, uint8_t *power_mode)
}
static int
+ugen20_get_power_usage(struct libusb20_device *pdev, uint16_t *power_usage)
+{
+ int temp;
+
+ if (ioctl(pdev->file_ctrl, USB_GET_POWER_USAGE, &temp)) {
+ return (LIBUSB20_ERROR_OTHER);
+ }
+ *power_usage = temp;
+ return (0); /* success */
+}
+
+static int
ugen20_kernel_driver_active(struct libusb20_device *pdev,
uint8_t iface_index)
{