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usb: gadget: uvc: Fix endianness mismatches

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The struct usb_endpoint_descriptor wMaxPacketSize field the struct
usb_ss_ep_comp_descriptor wBytesPerInterval field are stored in
little-endian format. Convert the values from CPU order to little endian
before storing the values.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Laurent Pinchart 2014-09-16 17:26:47 +03:00 committed by Felipe Balbi
parent 4a6698b80c
commit e102609f10
1 changed files with 6 additions and 5 deletions
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11
drivers/usb/gadget/function/f_uvc.c
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@ -596,19 +596,20 @@ uvc_function_bind(struct usb_configuration *c, struct usb_function *f)
}
uvc_fs_streaming_ep.wMaxPacketSize =
min(opts->streaming_maxpacket, 1023U);
cpu_to_le16(min(opts->streaming_maxpacket, 1023U));
uvc_fs_streaming_ep.bInterval = opts->streaming_interval;
uvc_hs_streaming_ep.wMaxPacketSize = max_packet_size;
uvc_hs_streaming_ep.wMaxPacketSize |= ((max_packet_mult - 1) << 11);
uvc_hs_streaming_ep.wMaxPacketSize =
cpu_to_le16(max_packet_size | ((max_packet_mult - 1) << 11));
uvc_hs_streaming_ep.bInterval = opts->streaming_interval;
uvc_ss_streaming_ep.wMaxPacketSize = max_packet_size;
uvc_ss_streaming_ep.wMaxPacketSize = cpu_to_le16(max_packet_size);
uvc_ss_streaming_ep.bInterval = opts->streaming_interval;
uvc_ss_streaming_comp.bmAttributes = max_packet_mult - 1;
uvc_ss_streaming_comp.bMaxBurst = opts->streaming_maxburst;
uvc_ss_streaming_comp.wBytesPerInterval =
max_packet_size * max_packet_mult * opts->streaming_maxburst;
cpu_to_le16(max_packet_size * max_packet_mult *
opts->streaming_maxburst);
/* Allocate endpoints. */
ep = usb_ep_autoconfig(cdev->gadget, &uvc_control_ep);