Re: [PATCH] usb: typec: tcpm: Ignore Vsafe0v in PR_SWAP_SNK_SRC_SOURCE_ON state

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On Tue, Jun 15, 2021 at 10:32 AM Kyle Tso <kyletso@xxxxxxxxxx> wrote:
>
> In PR_SWAP_SNK_SRC_SOURCE_ON state, Vsafe0v is expected as well so do
> nothing here to avoid state machine going into SNK_UNATTACHED.
>
> Fixes: 28b43d3d746b ("usb: typec: tcpm: Introduce vsafe0v for vbus")
> Signed-off-by: Kyle Tso <kyletso@xxxxxxxxxx>
Reviewed-by: Badhri Jagan Sridharan <badhri@xxxxxxxxxx>
> ---
>  drivers/usb/typec/tcpm/tcpm.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
> index 197556038ba4..e11e9227107d 100644
> --- a/drivers/usb/typec/tcpm/tcpm.c
> +++ b/drivers/usb/typec/tcpm/tcpm.c
> @@ -5212,6 +5212,7 @@ static void _tcpm_pd_vbus_vsafe0v(struct tcpm_port *port)
>                 }
>                 break;
>         case PR_SWAP_SNK_SRC_SINK_OFF:
> +       case PR_SWAP_SNK_SRC_SOURCE_ON:
>                 /* Do nothing, vsafe0v is expected during transition */
>                 break;
>         default:
> --
> 2.32.0.272.g935e593368-goog
>



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