2.6.36-stable review patch. If anyone has any objections, please let us know.
------------------ From: =?UTF-8?q?Jean-Fran=C3=A7ois=20Moine?= <[email protected]> commit f43402fa55bf5e7e190c176343015122f694857c upstream. When audio is present, some alternate settings were skipped. This prevented some webcams to work, especially when bulk transfer was used. This patch permits to use the last or only alternate setting. Reported-by: Antonio Ospite <[email protected]> Tested-by: Antonio Ospite <[email protected]> Signed-off-by: Jean-François Moine <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/media/video/gspca/gspca.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -652,7 +652,7 @@ static struct usb_host_endpoint *get_ep( : USB_ENDPOINT_XFER_ISOC; i = gspca_dev->alt; /* previous alt setting */ if (gspca_dev->cam.reverse_alts) { - if (gspca_dev->audio) + if (gspca_dev->audio && i < gspca_dev->nbalt - 2) i++; while (++i < gspca_dev->nbalt) { ep = alt_xfer(&intf->altsetting[i], xfer); @@ -660,7 +660,7 @@ static struct usb_host_endpoint *get_ep( break; } } else { - if (gspca_dev->audio) + if (gspca_dev->audio && i > 1) i--; while (--i >= 0) { ep = alt_xfer(&intf->altsetting[i], xfer);
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