From 4807063faa08f279b4ca9c2b1f0101a4670f7d43 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Thu, 21 Jun 2012 06:35:04 -0300 Subject: [PATCH] [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 Signed-off-by: Ming Lei Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/uvc/uvc_video.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index 39f5c85..7ac4347 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; } -- 2.7.4