linux-kernel - Re: [PATCH v2 2/2] platform/chrome: cros_ec_typec: Set partner num

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Message-ID: <20201110105015.GF1224435@kuha.fi.intel.com>
Date:   Tue, 10 Nov 2020 12:50:15 +0200
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     Prashant Malani <pmalani@...omium.org>
Cc:     linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        gregkh@...uxfoundation.org, Benson Leung <bleung@...omium.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Guenter Roeck <groeck@...omium.org>
Subject: Re: [PATCH v2 2/2] platform/chrome: cros_ec_typec: Set partner
 num_altmodes

On Mon, Nov 09, 2020 at 10:15:36PM -0800, Prashant Malani wrote:
> Set the number of altmodes available for a registered partner using the
> Type C connector class framework routine.
> 
> Signed-off-by: Prashant Malani <pmalani@...omium.org>

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

> ---
> 
> Changes in v2:
> - Patch introduced for the first time in v2.
> 
>  drivers/platform/chrome/cros_ec_typec.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
> index ce031a10eb1b..743a28426f98 100644
> --- a/drivers/platform/chrome/cros_ec_typec.c
> +++ b/drivers/platform/chrome/cros_ec_typec.c
> @@ -621,6 +621,7 @@ static int cros_typec_register_altmodes(struct cros_typec_data *typec, int port_
>  	struct cros_typec_altmode_node *node;
>  	struct typec_altmode_desc desc;
>  	struct typec_altmode *amode;
> +	int num_altmodes = 0;
>  	int ret = 0;
>  	int i, j;
>  
> @@ -647,9 +648,16 @@ static int cros_typec_register_altmodes(struct cros_typec_data *typec, int port_
>  
>  			node->amode = amode;
>  			list_add_tail(&node->list, &port->partner_mode_list);
> +			num_altmodes++;
>  		}
>  	}
>  
> +	ret = typec_partner_set_num_altmodes(port->partner, num_altmodes);
> +	if (ret < 0) {
> +		dev_err(typec->dev, "Unable to set partner num_altmodes for port: %d\n", port_num);
> +		goto err_cleanup;
> +	}
> +
>  	return 0;
>  
>  err_cleanup:
> -- 
> 2.29.2.222.g5d2a92d10f8-goog

thanks,

-- 
heikki