From: Sebastian Reichel <sebastian.reichel@collabora.com>
To: Alexey Charkov <alchark@flipper.net>
Cc: Badhri Jagan Sridharan <badhri@google.com>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
RD Babiera <rdbabiera@google.com>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/5] usb: typec: tcpci_rt1711h: Enable SOP' communication
Date: Thu, 12 Nov 2026 01:27:17 +0100 [thread overview]
Message-ID: <avUHy1y8ik_qmzHM@venus> (raw)
In-Reply-To: <20261103-husb311-cable-comm-v1-3-6217dabc1a85@flipper.net>
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Hi,
On Tue, Nov 03, 2026 at 03:21:24PM +0400, Alexey Charkov wrote:
> These TCPCs transmit and receive SOP' as the TCPCI specification
> defines, so let TCPM discover e-marked cables through them and learn
> their current and speed ratings.
>
> Tested on a HUSB311 with an e-marked 5A EPR cable.
>
> Signed-off-by: Alexey Charkov <alchark@flipper.net>
> ---
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Greetings,
-- Sebastian
> drivers/usb/typec/tcpm/tcpci_rt1711h.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/usb/typec/tcpm/tcpci_rt1711h.c b/drivers/usb/typec/tcpm/tcpci_rt1711h.c
> index af8356df6b98..232eb721fb3d 100644
> --- a/drivers/usb/typec/tcpm/tcpci_rt1711h.c
> +++ b/drivers/usb/typec/tcpm/tcpci_rt1711h.c
> @@ -337,6 +337,7 @@ static int rt1711h_probe(struct i2c_client *client)
> chip->data.set_vbus = rt1711h_set_vbus;
> chip->data.set_vconn = rt1711h_set_vconn;
> chip->data.start_drp_toggling = rt1711h_start_drp_toggling;
> + chip->data.cable_comm_capable = true;
> chip->tcpci = tcpci_register_port(chip->dev, &chip->data);
> if (IS_ERR_OR_NULL(chip->tcpci))
> return PTR_ERR(chip->tcpci);
>
> --
> 2.56.0
>
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next prev parent reply other threads:[~2026-11-12 0:27 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-03 11:21 [PATCH 0/5] usb: typec: cable comms on RT1711H-compatible TCPCs and FUSB302 Alexey Charkov
2026-11-03 11:21 ` [PATCH 1/5] usb: typec: tcpm: Stop a source from repeating a cable Soft_Reset Alexey Charkov
2026-11-03 11:34 ` sashiko-bot
2026-11-03 11:21 ` [PATCH 2/5] usb: typec: tcpci: Receive SOP' only while sourcing VCONN Alexey Charkov
2026-11-03 11:39 ` sashiko-bot
2026-11-12 0:26 ` Sebastian Reichel
2026-11-03 11:21 ` [PATCH 3/5] usb: typec: tcpci_rt1711h: Enable SOP' communication Alexey Charkov
2026-11-03 11:43 ` sashiko-bot
2026-11-12 0:27 ` Sebastian Reichel [this message]
2026-11-03 11:21 ` [PATCH 4/5] usb: typec: fusb302: Tell SOP' messages apart from SOP Alexey Charkov
2026-11-03 11:47 ` sashiko-bot
2026-11-11 23:16 ` Sebastian Reichel
2026-11-03 11:21 ` [PATCH 5/5] usb: typec: fusb302: Enable SOP' communication Alexey Charkov
2026-11-03 11:51 ` sashiko-bot
2026-11-11 23:16 ` Sebastian Reichel
2026-11-11 14:00 ` [PATCH 0/5] usb: typec: cable comms on RT1711H-compatible TCPCs and FUSB302 Heikki Krogerus
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