linux-kernel - Re: [PATCH] usb: typec: tipd: Set mode of operation for USB Type-C connector

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Message-ID: <Y4d4h6N6EyOozkYS@kuha.fi.intel.com>
Date:   Wed, 30 Nov 2022 17:36:39 +0200
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     Sven Peter <sven@...npeter.dev>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        asahi@...ts.linux.dev
Subject: Re: [PATCH] usb: typec: tipd: Set mode of operation for USB Type-C
 connector

On Mon, Nov 28, 2022 at 05:23:04PM +0100, Sven Peter wrote:
> Forward the mode of operation to the typec subsystem such that it can
> configure the mux correctly.
> 
> Signed-off-by: Sven Peter <sven@...npeter.dev>

Looks OK to me.

Reviewed-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>

> ---
>  drivers/usb/typec/tipd/core.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c
> index 982bd2cad931..46a4d8b128f0 100644
> --- a/drivers/usb/typec/tipd/core.c
> +++ b/drivers/usb/typec/tipd/core.c
> @@ -14,6 +14,7 @@
>  #include <linux/regmap.h>
>  #include <linux/interrupt.h>
>  #include <linux/usb/typec.h>
> +#include <linux/usb/typec_altmode.h>
>  #include <linux/usb/role.h>
>  
>  #include "tps6598x.h"
> @@ -257,6 +258,7 @@ static int tps6598x_connect(struct tps6598x *tps, u32 status)
>  		typec_set_orientation(tps->port, TYPEC_ORIENTATION_REVERSE);
>  	else
>  		typec_set_orientation(tps->port, TYPEC_ORIENTATION_NORMAL);
> +	typec_set_mode(tps->port, TYPEC_STATE_USB);
>  	tps6598x_set_data_role(tps, TPS_STATUS_TO_TYPEC_DATAROLE(status), true);
>  
>  	tps->partner = typec_register_partner(tps->port, &desc);
> @@ -280,6 +282,7 @@ static void tps6598x_disconnect(struct tps6598x *tps, u32 status)
>  	typec_set_pwr_role(tps->port, TPS_STATUS_TO_TYPEC_PORTROLE(status));
>  	typec_set_vconn_role(tps->port, TPS_STATUS_TO_TYPEC_VCONN(status));
>  	typec_set_orientation(tps->port, TYPEC_ORIENTATION_NONE);
> +	typec_set_mode(tps->port, TYPEC_STATE_SAFE);
>  	tps6598x_set_data_role(tps, TPS_STATUS_TO_TYPEC_DATAROLE(status), false);
>  
>  	power_supply_changed(tps->psy);

thanks,

-- 
heikki