diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2012-07-12 17:55:40 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-07-12 17:55:40 +0200 |
| commit | 9c63cd5a955ce8a3de1776a9e4b6b89c69b2a09e (patch) | |
| tree | 2b628ebdaeb63603d90c92e78bc5dd668856b61d /drivers/gpu/drm/udl/udl_drv.c | |
| parent | 8c203360a751ecbf876a8324e02c1dcbcc5dd548 (diff) | |
| parent | 34ae0dadb4e99e8177f9785e069e9cca636ef8c1 (diff) | |
| download | olio-linux-3.10-9c63cd5a955ce8a3de1776a9e4b6b89c69b2a09e.tar.xz olio-linux-3.10-9c63cd5a955ce8a3de1776a9e4b6b89c69b2a09e.zip | |
Merge tag 'imx-defconfig' of git://git.pengutronix.de/git/imx/linux-2.6 into next/defconfig
From Sascha Hauer <s.hauer@pengutronix.de>:
ARM i.MX defconfig updates for v3.6
* tag 'imx-defconfig' of git://git.pengutronix.de/git/imx/linux-2.6:
ARM: imx_v4_v5_defconfig: update features
ARM: imx_v6_v7_defconfig: update features
Includes an update to v3.5-rc5
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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); |