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USB: Change acm_iad_descriptor bFunctionProtocol to USB_CDC_ACM_PROTO_AT_V25TER

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The protocol code is set 00 in IAD and it's set to 01 in ACM control
interface descriptor in f_acm.c file. Due to this, windows is unable to
install the modem(ACM) driver based on class-subclass-protocol matching.

This patch corrects the protocol code in ACM IAD to the same as in
acm_control_interface_desc protocol code.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Praveena Nadahally <praveen.nadahally@stericsson.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Praveena Nadahally 2010-09-10 23:05:03 +05:30 committed by Greg Kroah-Hartman
parent 92d3489ec5
commit 5c8db070b4
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/gadget/f_acm.c
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@ -111,7 +111,7 @@ acm_iad_descriptor = {
.bInterfaceCount = 2, // control + data
.bFunctionClass = USB_CLASS_COMM,
.bFunctionSubClass = USB_CDC_SUBCLASS_ACM,
.bFunctionProtocol = USB_CDC_PROTO_NONE,
.bFunctionProtocol = USB_CDC_ACM_PROTO_AT_V25TER,
/* .iFunction = DYNAMIC */
};