Messages in this thread Patch in this message | | | From | Tal Shorer <> | Subject | [PATCH 5/8] usb: gadget: f_acm: initialize port_line_coding when creating an instance | Date | Mon, 12 Jun 2017 20:26:12 +0300 |
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Initialize acm->port_line_coding with something that makes sense so that we can return a valid line coding if the host requests GetLineCoding before requesting SetLineCoding
Signed-off-by: Tal Shorer <tal.shorer@gmail.com> --- drivers/usb/gadget/function/f_acm.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/usb/gadget/function/f_acm.c b/drivers/usb/gadget/function/f_acm.c index e023313..b7a1466 100644 --- a/drivers/usb/gadget/function/f_acm.c +++ b/drivers/usb/gadget/function/f_acm.c @@ -763,6 +763,12 @@ static struct usb_function *acm_alloc_func(struct usb_function_instance *fi) acm->port.func.unbind = acm_unbind; acm->port.func.free_func = acm_free_func; + /* initialize port_line_coding with something that makes sense */ + coding.dwDTERate = cpu_to_le32(9600); + coding.bCharFormat = USB_CDC_1_STOP_BITS; + coding.bParityType = USB_CDC_NO_PARITY; + coding.bDataBits = 8; + return &acm->port.func; } -- 2.7.4
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