diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-07-05 08:25:34 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-07-05 08:25:34 -0700 |
| commit | 6fbfd0592ef88ba29cdce84ef92757351f1fa9c9 (patch) | |
| tree | 7c0af4bcc08f3ad7befb93d73d9729f82252c950 /drivers/gpu/drm/udl/udl_drv.c | |
| parent | f2c32a882d2c1cde6fc552a5a3d34b4c1330edb8 (diff) | |
| parent | 6887a4131da3adaab011613776d865f4bcfb5678 (diff) | |
Merge v3.5-rc5 into driver-core-next
This picks up the big printk fixes, and resolves a merge issue with:
drivers/extcon/extcon_gpio.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/udl/udl_drv.c')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_drv.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c index 4d02c46a942..6e52069894b 100644 --- a/drivers/gpu/drm/udl/udl_drv.c +++ b/drivers/gpu/drm/udl/udl_drv.c @@ -13,8 +13,21 @@ static struct drm_driver driver; +/* + * There are many DisplayLink-based graphics products, all with unique PIDs. + * So we match on DisplayLink's VID + Vendor-Defined Interface Class (0xff) + * We also require a match on SubClass (0x00) and Protocol (0x00), + * which is compatible with all known USB 2.0 era graphics chips and firmware, + * but allows DisplayLink to increment those for any future incompatible chips + */ static struct usb_device_id id_table[] = { - {.idVendor = 0x17e9, .match_flags = USB_DEVICE_ID_MATCH_VENDOR,}, + {.idVendor = 0x17e9, .bInterfaceClass = 0xff, + .bInterfaceSubClass = 0x00, + .bInterfaceProtocol = 0x00, + .match_flags = USB_DEVICE_ID_MATCH_VENDOR | + USB_DEVICE_ID_MATCH_INT_CLASS | + USB_DEVICE_ID_MATCH_INT_SUBCLASS | + USB_DEVICE_ID_MATCH_INT_PROTOCOL,}, {}, }; MODULE_DEVICE_TABLE(usb, id_table); |