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authorLaurent Pinchart <laurent.pinchart@skynet.be>2008-12-28 20:26:32 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2008-12-30 09:40:31 -0200
commit538e7a004bf960c96c7e9eb836b59989eb5f5b7f (patch)
treef91e0e40b9ca9678033c81593680f4d51d363713 /drivers/media/video/uvc/uvc_driver.c
parentf8dd4af6d44b4b738f125f6a21afa885f3b1d13b (diff)
V4L/DVB (10102): uvcvideo: Ignore interrupt endpoint for built-in iSight webcams.
Built-in iSight webcams have an interrupt endpoint but spit proprietary data that don't conform to the UVC status endpoint messages. Don't try to handle the interrupt endpoint for those cameras. Signed-off-by: Laurent Pinchart <laurent.pinchart@skynet.be> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/uvc/uvc_driver.c')
-rw-r--r--drivers/media/video/uvc/uvc_driver.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c
index 1054c7656ae..18a61928f4f 100644
--- a/drivers/media/video/uvc/uvc_driver.c
+++ b/drivers/media/video/uvc/uvc_driver.c
@@ -1147,8 +1147,13 @@ next_descriptor:
buffer += buffer[0];
}
- /* Check if the optional status endpoint is present. */
- if (alts->desc.bNumEndpoints == 1) {
+ /* Check if the optional status endpoint is present. Built-in iSight
+ * webcams have an interrupt endpoint but spit proprietary data that
+ * don't conform to the UVC status endpoint messages. Don't try to
+ * handle the interrupt endpoint for those cameras.
+ */
+ if (alts->desc.bNumEndpoints == 1 &&
+ !(dev->quirks & UVC_QUIRK_BUILTIN_ISIGHT)) {
struct usb_host_endpoint *ep = &alts->endpoint[0];
struct usb_endpoint_descriptor *desc = &ep->desc;