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.sho...@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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