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

Johan Hovold
2016-04-29T12:22:08Z

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