20 lines
503 B
C
20 lines
503 B
C
#include <common.h>
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#include <usb/ch9.h>
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static const char *const speed_names[] = {
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[USB_SPEED_UNKNOWN] = "UNKNOWN",
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[USB_SPEED_LOW] = "low-speed",
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[USB_SPEED_FULL] = "full-speed",
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[USB_SPEED_HIGH] = "high-speed",
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[USB_SPEED_WIRELESS] = "wireless",
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[USB_SPEED_SUPER] = "super-speed",
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};
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const char *usb_speed_string(enum usb_device_speed speed)
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{
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if (speed < 0 || speed >= ARRAY_SIZE(speed_names))
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speed = USB_SPEED_UNKNOWN;
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return speed_names[speed];
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}
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EXPORT_SYMBOL_GPL(usb_speed_string);
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