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Re: [PATCH v4 03/13] USB: ch341: add definitions for modem control

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  Re: [PATCH v4 03/13] USB: ch341: add definitions for modem control Johan Hovold <johan@kernel.org> - 2016-04-29 14:30 +0200

#1391065 — Re: [PATCH v4 03/13] USB: ch341: add definitions for modem control

On Fri, Apr 15, 2016 at 11:14:06PM +0200, Grigori Goronzy wrote:

No commit message?

> Signed-off-by: Grigori Goronzy <greg@chown.ath.cx>
> ---
>  drivers/usb/serial/ch341.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
> index 1ab4384..db4b561 100644
> --- a/drivers/usb/serial/ch341.c
> +++ b/drivers/usb/serial/ch341.c
> @@ -61,6 +61,7 @@
>   * the Net/FreeBSD uchcom.c driver by Takanori Watanabe.  Domo arigato.
>   */
>  
> +#define CH341_MODEM_CTRL       0xA4

Please use the common CH341_REQ prefix and keep the requests sorted
numerically.

>  #define CH341_REQ_WRITE_REG    0x9A
>  #define CH341_REQ_READ_REG     0x95
>  #define CH341_REG_BREAK1       0x05
> @@ -162,7 +163,7 @@ static int ch341_set_baudrate(struct usb_device *dev,
>  
>  static int ch341_set_handshake(struct usb_device *dev, u8 control)
>  {
> -	return ch341_control_out(dev, 0xa4, ~control, 0);
> +	return ch341_control_out(dev, CH341_MODEM_CTRL, ~control, 0);
>  }
>  
>  static int ch341_get_status(struct usb_device *dev, struct ch341_private *priv)

Thanks,
Johan

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