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Commit 5b239f0a authored by Philippe Corbes's avatar Philippe Corbes Committed by Greg Kroah-Hartman
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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: default avatarPhilippe Corbes <philippe.corbes@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 902ffc3c

drivers/usb/class/cdc-acm.c

+4 −0
Original line number Diff line number Diff line
@@ -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) },