diff options
| author | Devin Heitmueller <dheitmueller@kernellabs.com> | 2009-05-28 06:46:17 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-06-17 02:07:22 +0400 |
| commit | d6a9a430a63adac71f2d23d4eb8f4eb467fc82c2 (patch) | |
| tree | 261a97ba74dfe5ec529476e86915397a4449e952 /drivers/media/video/au0828 | |
| parent | e2a1b79f7dc54a6f1cc8821e0c7fd68ba7568d81 (diff) | |
| download | linux-d6a9a430a63adac71f2d23d4eb8f4eb467fc82c2.tar.xz | |
V4L/DVB (11928): au0828: provide module option to disable USB speed check
Add an au0828 module option that allows a user to override the USB speed check.
Intended for advanced users who understand the consequences of trying to use
the device with a 12Mbps bus.
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/au0828')
| -rw-r--r-- | drivers/media/video/au0828/au0828-core.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/media/video/au0828/au0828-core.c b/drivers/media/video/au0828/au0828-core.c index 2b3f64d7a7f1..3544a2f12f13 100644 --- a/drivers/media/video/au0828/au0828-core.c +++ b/drivers/media/video/au0828/au0828-core.c @@ -36,6 +36,11 @@ int au0828_debug; module_param_named(debug, au0828_debug, int, 0644); MODULE_PARM_DESC(debug, "enable debug messages"); +static unsigned int disable_usb_speed_check; +module_param(disable_usb_speed_check, int, 0444); +MODULE_PARM_DESC(disable_usb_speed_check, + "override min bandwidth requirement of 480M bps"); + #define _AU0828_BULKPIPE 0x03 #define _BULKPIPESIZE 0xffff @@ -186,7 +191,7 @@ static int au0828_usb_probe(struct usb_interface *interface, * video stream wouldn't likely work, since 12 Mbps is generally * not enough even for most Digital TV streams. */ - if (usbdev->speed != USB_SPEED_HIGH) { + if (usbdev->speed != USB_SPEED_HIGH && disable_usb_speed_check == 0) { printk(KERN_ERR "au0828: Device initialization failed.\n"); printk(KERN_ERR "au0828: Device must be connected to a " "high-speed USB 2.0 port.\n"); |