diff options
author | Richard Hughes <richard@hughsie.com> | 2019-11-15 16:10:23 +0000 |
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committer | Richard Hughes <richard@hughsie.com> | 2019-11-15 16:44:35 +0000 |
commit | 13233c38eed954baf0ca3a95a23bd28ae02c8ba7 (patch) | |
tree | 51504e90ddc18d0282a01603f2e1458edc974027 | |
parent | 22d3321aeadfa77054653a1a092a5ffb053692e6 (diff) | |
download | gusb-13233c38eed954baf0ca3a95a23bd28ae02c8ba7.tar.gz |
Add g_usb_device_get_spec()
Sometimes we do care about the USB version number of the device.
-rw-r--r-- | gusb/gusb-device.c | 19 | ||||
-rw-r--r-- | gusb/gusb-device.h | 1 | ||||
-rw-r--r-- | gusb/libgusb.ver | 5 |
3 files changed, 25 insertions, 0 deletions
diff --git a/gusb/gusb-device.c b/gusb/gusb-device.c index 9b06ed4..0490164 100644 --- a/gusb/gusb-device.c +++ b/gusb/gusb-device.c @@ -1733,6 +1733,25 @@ g_usb_device_get_release (GUsbDevice *device) } /** + * g_usb_device_get_spec: + * @device: a #GUsbDevice + * + * Gets the BCD specification revision for the device. For example, + * `0x0110` indicates USB 1.1 and 0x0320 indicates USB 3.2 + * + * Return value: a specification revision in BCD format. + * + * Since: 0.3.1 + **/ +guint16 +g_usb_device_get_spec (GUsbDevice *device) +{ + g_return_val_if_fail (G_USB_IS_DEVICE (device), 0); + + return device->priv->desc.bcdUSB; +} + +/** * g_usb_device_get_vid_as_str: * @device: a #GUsbDevice * diff --git a/gusb/gusb-device.h b/gusb/gusb-device.h index 660b0e3..7635829 100644 --- a/gusb/gusb-device.h +++ b/gusb/gusb-device.h @@ -162,6 +162,7 @@ guint8 g_usb_device_get_port_number (GUsbDevice *device); guint16 g_usb_device_get_vid (GUsbDevice *device); guint16 g_usb_device_get_pid (GUsbDevice *device); guint16 g_usb_device_get_release (GUsbDevice *device); +guint16 g_usb_device_get_spec (GUsbDevice *device); const gchar *g_usb_device_get_vid_as_str (GUsbDevice *device); const gchar *g_usb_device_get_pid_as_str (GUsbDevice *device); guint8 g_usb_device_get_device_class (GUsbDevice *device); diff --git a/gusb/libgusb.ver b/gusb/libgusb.ver index c4f9181..a2e07eb 100644 --- a/gusb/libgusb.ver +++ b/gusb/libgusb.ver @@ -68,3 +68,8 @@ LIBGUSB_0.2.11 { g_usb_context_set_flags; g_usb_context_get_flags; } LIBGUSB_0.2.9; + +LIBGUSB_0.3.1 { + global: + g_usb_device_get_spec; +} LIBGUSB_0.2.11; |