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Groups > linux.kernel > #1664505
| From | Tal Shorer <tal.shorer@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 5/8] usb: gadget: f_acm: initialize port_line_coding when creating an instance |
| Date | 2017-06-13 09:00 +0200 |
| Message-ID | <tRNXX-4BW-7@gated-at.bofh.it> (permalink) |
| References | <tRNXX-4BW-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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..188d314 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 */ + acm->port_line_coding.dwDTERate = cpu_to_le32(9600); + acm->port_line_coding.bCharFormat = USB_CDC_1_STOP_BITS; + acm->port_line_coding.bParityType = USB_CDC_NO_PARITY; + acm->port_line_coding.bDataBits = 8; + return &acm->port.func; } -- 2.7.4
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[PATCH v2 5/8] usb: gadget: f_acm: initialize port_line_coding when creating an instance Tal Shorer <tal.shorer@gmail.com> - 2017-06-13 09:00 +0200
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