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author | hselasky <hselasky@FreeBSD.org> | 2013-05-03 07:44:58 +0000 |
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committer | hselasky <hselasky@FreeBSD.org> | 2013-05-03 07:44:58 +0000 |
commit | b7fe9e8c88a6ebaed1f12f93bed79ac371986463 (patch) | |
tree | bae81f1e85342c7dae2df723f345aafb486ea339 /lib/libusb/libusb20_ugen20.c | |
parent | 94808df525c90765b05fb81ccdba2e49721b5e97 (diff) | |
download | FreeBSD-src-b7fe9e8c88a6ebaed1f12f93bed79ac371986463.zip FreeBSD-src-b7fe9e8c88a6ebaed1f12f93bed79ac371986463.tar.gz |
Add new USB API to get the port path of a USB device.
MFC after: 2 weeks
Requested by: emaste @
Diffstat (limited to 'lib/libusb/libusb20_ugen20.c')
-rw-r--r-- | lib/libusb/libusb20_ugen20.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/libusb/libusb20_ugen20.c b/lib/libusb/libusb20_ugen20.c index 0846eb4..a4c973e 100644 --- a/lib/libusb/libusb20_ugen20.c +++ b/lib/libusb/libusb20_ugen20.c @@ -73,6 +73,7 @@ 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_port_path_t ugen20_get_port_path; 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; @@ -644,6 +645,22 @@ ugen20_get_power_mode(struct libusb20_device *pdev, uint8_t *power_mode) } static int +ugen20_get_port_path(struct libusb20_device *pdev, uint8_t *buf, uint8_t bufsize) +{ + struct usb_device_port_path udpp; + + if (ioctl(pdev->file_ctrl, USB_GET_DEV_PORT_PATH, &udpp)) + return (LIBUSB20_ERROR_OTHER); + + if (udpp.udp_port_level > bufsize) + return (LIBUSB20_ERROR_OVERFLOW); + + memcpy(buf, udpp.udp_port_no, udpp.udp_port_level); + + return (udpp.udp_port_level); /* success */ +} + +static int ugen20_get_power_usage(struct libusb20_device *pdev, uint16_t *power_usage) { int temp; |