Re: [PATCH 1/8] usb: typec: Handle retimers in typec_set_mode()

[Neil Armstrong]

On 16/04/2024 04:20, Dmitry Baryshkov wrote:
> Make typec_set_mode() also handle retimers in addition to muxes. Setting
> the USB mode requires retimers to be configured in addition to just
> switching the mux configuration.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> ---
>   drivers/usb/typec/class.c | 9 ++++++++-
>   1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
> index 9610e647a8d4..28d395535bd1 100644
> --- a/drivers/usb/typec/class.c
> +++ b/drivers/usb/typec/class.c
> @@ -2095,14 +2095,21 @@ EXPORT_SYMBOL_GPL(typec_get_orientation);
>    * @mode: Accessory Mode, USB Operation or Safe State
>    *
>    * Configure @port for Accessory Mode @mode. This function will configure the
> - * muxes needed for @mode.
> + * muxes and retimeres needed for @mode.
>    */
>   int typec_set_mode(struct typec_port *port, int mode)
>   {
> +	struct typec_retimer_state retimer_state = { };
>   	struct typec_mux_state state = { };
> +	int ret;
>   
> +	retimer_state.mode = mode;
>   	state.mode = mode;
>   
> +	ret = typec_retimer_set(port->retimer, &retimer_state);
> +	if (ret)
> +		return ret;
> +
>   	return typec_mux_set(port->mux, &state);
>   }
>   EXPORT_SYMBOL_GPL(typec_set_mode);

Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>