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SubjectRe: [PATCH 1/3] usb: typec: ucsi: call typec_set_mode on non-altmode partner change
Hi Neil,

Sorry to keep you waiting.

On Wed, Jun 14, 2023 at 03:10:39PM +0200, Neil Armstrong wrote:
> Add support for calling typec_set_mode() for the DEBUG, AUDIO
> accessory modes.
>
> Let's also call typec_set_mode() for USB as default and SAFE
> when partner is disconnected.
>
> The USB state is only called when ALT mode is specifically
> not specified by the partner status flags in order
> to leave the altmode handlers setup the proper mode to
> switches, muxes and retimers.
>
> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
> ---
> drivers/usb/typec/ucsi/ucsi.c | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>
> diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
> index 2b472ec01dc4..44f43cdea5c1 100644
> --- a/drivers/usb/typec/ucsi/ucsi.c
> +++ b/drivers/usb/typec/ucsi/ucsi.c
> @@ -809,6 +809,23 @@ static void ucsi_partner_change(struct ucsi_connector *con)
> break;
> }
>
> + if (con->status.flags & UCSI_CONSTAT_CONNECTED) {
> + switch (UCSI_CONSTAT_PARTNER_TYPE(con->status.flags)) {
> + case UCSI_CONSTAT_PARTNER_TYPE_DEBUG:
> + typec_set_mode(con->port, TYPEC_MODE_DEBUG);
> + break;
> + case UCSI_CONSTAT_PARTNER_TYPE_AUDIO:
> + typec_set_mode(con->port, TYPEC_MODE_AUDIO);
> + break;
> + default:
> + if (UCSI_CONSTAT_PARTNER_FLAGS(con->status.flags) ==
> + UCSI_CONSTAT_PARTNER_FLAG_USB)
> + typec_set_mode(con->port, TYPEC_STATE_USB);
> + }
> + } else {
> + typec_set_mode(con->port, TYPEC_STATE_SAFE);
> + }

Can you do that (set safe mode) in ucsi_unregister_partner() instead?

thanks,

--
heikki

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