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USB: usbtest: support test device with only one iso-in or iso-out endpoint

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It is very common that one altsetting may include only one iso-in or iso-out
single endpoint, especially for high bandwidth endpoint, so support it.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Ming Lei
2010-08-02 22:09:17 +08:00
committed by Greg Kroah-Hartman
parent e10e1bec8e
commit 951fd8ee6a
1 changed files with 4 additions and 1 deletions
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5
drivers/usb/misc/usbtest.c
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@@ -136,7 +136,7 @@ try_iso:
iso_out = e; iso_out = e;
} }
} }
if ((in && out) || (iso_in && iso_out)) if ((in && out) || iso_in || iso_out)
goto found; goto found;
} }
return -EINVAL; return -EINVAL;
@@ -162,6 +162,9 @@ found:
dev->in_iso_pipe = usb_rcvisocpipe (udev, dev->in_iso_pipe = usb_rcvisocpipe (udev,
iso_in->desc.bEndpointAddress iso_in->desc.bEndpointAddress
& USB_ENDPOINT_NUMBER_MASK); & USB_ENDPOINT_NUMBER_MASK);
}
if (iso_out) {
dev->iso_out = &iso_out->desc; dev->iso_out = &iso_out->desc;
dev->out_iso_pipe = usb_sndisocpipe (udev, dev->out_iso_pipe = usb_sndisocpipe (udev,
iso_out->desc.bEndpointAddress iso_out->desc.bEndpointAddress