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usb: add device qualifier support

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Add support for device_qualifier and other_speed_config descriptors.
These are used to query the "other speed" configuration of usb 2.0
devices, i.e. in high-speed mode they return the full-speed
configuration and visa versa.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2010-12-08 17:35:22 +01:00
parent 32d4191978
commit 25620cba94
4 changed files with 52 additions and 0 deletions
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2
hw/usb.h
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@ -122,6 +122,8 @@
#define USB_DT_STRING 0x03
#define USB_DT_INTERFACE 0x04
#define USB_DT_ENDPOINT 0x05
#define USB_DT_DEVICE_QUALIFIER 0x06
#define USB_DT_OTHER_SPEED_CONFIG 0x07
#define USB_ENDPOINT_XFER_CONTROL 0
#define USB_ENDPOINT_XFER_ISOC 1