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V4L/DVB (13828): uvcvideo: Make the quirks module parameter override the built-in quirks

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The quirks module parameter is or'ed with the built-in quirks for the
device being probed. This make it impossible to disable a built-in quirk
without recompiling the driver.

Replace the built-in quirks with the quirks module parameter instead of
or'ing the values.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Laurent Pinchart 2009-12-10 10:00:39 -03:00 committed by Mauro Carvalho Chehab
parent 310fe52461
commit 73de3592c0
1 changed files with 6 additions and 5 deletions
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11
drivers/media/video/uvc/uvc_driver.c
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@ -45,7 +45,7 @@
unsigned int uvc_clock_param = CLOCK_MONOTONIC;
unsigned int uvc_no_drop_param;
static unsigned int uvc_quirks_param;
static unsigned int uvc_quirks_param = -1;
unsigned int uvc_trace_param;
unsigned int uvc_timeout_param = UVC_CTRL_STREAMING_TIMEOUT;
@ -1751,7 +1751,8 @@ static int uvc_probe(struct usb_interface *intf,
dev->udev = usb_get_dev(udev);
dev->intf = usb_get_intf(intf);
dev->intfnum = intf->cur_altsetting->desc.bInterfaceNumber;
dev->quirks = id->driver_info | uvc_quirks_param;
dev->quirks = (uvc_quirks_param == -1)
? id->driver_info : uvc_quirks_param;
if (udev->product != NULL)
strlcpy(dev->name, udev->product, sizeof dev->name);
@ -1774,9 +1775,9 @@ static int uvc_probe(struct usb_interface *intf,
le16_to_cpu(udev->descriptor.idVendor),
le16_to_cpu(udev->descriptor.idProduct));
if (uvc_quirks_param != 0) {
uvc_printk(KERN_INFO, "Forcing device quirks 0x%x by module "
"parameter for testing purpose.\n", uvc_quirks_param);
if (dev->quirks != id->driver_info) {
uvc_printk(KERN_INFO, "Forcing device quirks to 0x%x by module "
"parameter for testing purpose.\n", dev->quirks);
uvc_printk(KERN_INFO, "Please report required quirks to the "
"linux-uvc-devel mailing list.\n");
}