diff options
| author | Praveena Nadahally <praveen.nadahally@stericsson.com> | 2010-09-10 17:35:03 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-10-22 17:21:35 (GMT) |
| commit | 5c8db070b4480c43394680d9dfd2ddb06b97d2ae (patch) | |
| tree | ba32e7a007d07cd91819db0ff4c51030beac5b4e | |
| parent | 92d3489ec58b5897a407b07ad9954497a119d3d0 (diff) | |
| download | linux-5c8db070b4480c43394680d9dfd2ddb06b97d2ae.tar.xz | |
USB: Change acm_iad_descriptor bFunctionProtocol to USB_CDC_ACM_PROTO_AT_V25TER
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>
| -rw-r--r-- | drivers/usb/gadget/f_acm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/f_acm.c b/drivers/usb/gadget/f_acm.c index d47a123..bd6226c 100644 --- a/drivers/usb/gadget/f_acm.c +++ b/drivers/usb/gadget/f_acm.c @@ -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 */ }; |