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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>
hifive-unleashed-5.1
Philippe Corbes 2010-08-31 19:31:32 +02:00 committed by Greg Kroah-Hartman
parent 902ffc3c70
commit 5b239f0aeb
1 changed files with 4 additions and 0 deletions
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4
drivers/usb/class/cdc-acm.c
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@ -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) },