From: Philippe Corbes Date: Tue, 31 Aug 2010 17:31:32 +0000 (+0200) Subject: USB: cdc-acm: Add pseudo modem without AT command capabilities X-Git-Tag: v2.6.35.5~81 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=67584f5e2e19499c8484991684110730080d7221;p=thirdparty%2Fkernel%2Fstable.git USB: cdc-acm: Add pseudo modem without AT command capabilities commit 5b239f0aebd4dd6f85b13decf5e18e86e35d57f0 upstream. 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 Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index fdf45023cf4d1..764b9b3a903f0 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1621,6 +1621,10 @@ 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) },