Commit 951fd8ee6a9493f80bc5bccf2c8cfa1535c6ce15

Authored by Ming Lei
Committed by Greg Kroah-Hartman
1 parent e10e1bec8e

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

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>

Showing 1 changed file with 4 additions and 1 deletions Side-by-side Diff

drivers/usb/misc/usbtest.c
... ... @@ -136,7 +136,7 @@
136 136 iso_out = e;
137 137 }
138 138 }
139   - if ((in && out) || (iso_in && iso_out))
  139 + if ((in && out) || iso_in || iso_out)
140 140 goto found;
141 141 }
142 142 return -EINVAL;
... ... @@ -162,6 +162,9 @@
162 162 dev->in_iso_pipe = usb_rcvisocpipe (udev,
163 163 iso_in->desc.bEndpointAddress
164 164 & USB_ENDPOINT_NUMBER_MASK);
  165 + }
  166 +
  167 + if (iso_out) {
165 168 dev->iso_out = &iso_out->desc;
166 169 dev->out_iso_pipe = usb_sndisocpipe (udev,
167 170 iso_out->desc.bEndpointAddress