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authorPhilippe Corbes <philippe.corbes@gmail.com>2010-08-31 19:31:32 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2010-09-04 02:33:41 +0200
commit5b239f0aebd4dd6f85b13decf5e18e86e35d57f0 (patch)
tree5a1f5fd9bfddb755ed417afc6defe7fa7a1af966 /drivers
parentUSB: cxacru: Use a bulk/int URB to access the command endpoint (diff)
downloadlinux-5b239f0aebd4dd6f85b13decf5e18e86e35d57f0.tar.xz
linux-5b239f0aebd4dd6f85b13decf5e18e86e35d57f0.zip
USB: cdc-acm: Add pseudo modem without AT command capabilities
cdc-acm.c : Manage pseudo-modem without AT commands capabilities Enable to drive electronic simple gadgets based on microcontrolers. The Interface descriptor is like this: bInterfaceClass 2 Communications bInterfaceSubClass 2 Abstract (modem) bInterfaceProtocol 0 None Signed-off-by: Philippe Corbes <philippe.corbes@gmail.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/class/cdc-acm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index a3d6c4db2a03..597defc1d7bf 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1615,6 +1615,10 @@ static const struct usb_device_id acm_ids[] = {
.driver_info = NOT_A_MODEM,
},
+ /* control interfaces without any protocol set */
+ { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
+ USB_CDC_PROTO_NONE) },
+
/* control interfaces with various AT-command sets */
{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
USB_CDC_ACM_PROTO_AT_V25TER) },