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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2012-06-21 06:35:04 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-07-06 15:26:47 -0300
commit4807063faa08f279b4ca9c2b1f0101a4670f7d43 (patch)
tree4e929cb998ac301f154f91afbf7d80b3214779a3 /drivers/media
parentc854a48a97feb94ccd4501593badd1b9907326c2 (diff)
[media] uvcvideo: Fix alternate setting selection
The alternate setting number is not equal to the alternate setting index in the interface alternate settings table. Use the alternate setting number from the interface descriptor when calling usb_set_interface(). Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Ming Lei <ming.lei@canonical.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/video/uvc/uvc_video.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c
index 39f5c85dd4b..7ac4347ca09 100644
--- a/drivers/media/video/uvc/uvc_video.c
+++ b/drivers/media/video/uvc/uvc_video.c
@@ -1598,7 +1598,7 @@ static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags)
psize = le16_to_cpu(ep->desc.wMaxPacketSize);
psize = (psize & 0x07ff) * (1 + ((psize >> 11) & 3));
if (psize >= bandwidth && psize <= best_psize) {
- altsetting = i;
+ altsetting = alts->desc.bAlternateSetting;
best_psize = psize;
best_ep = ep;
}