From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
To: Michael Grzeschik <m.grzeschik@pengutronix.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel@pengutronix.de, Badhri Jagan Sridharan <badhri@google.com>
Subject: Re: [PATCH 1/3] usb: typec: tcpm: allow to use sink in accessory mode
Date: Mon, 7 Apr 2025 16:46:45 +0300 [thread overview]
Message-ID: <Z_PXRQB9zgmXvpEA@kuha.fi.intel.com> (raw)
In-Reply-To: <20250404-ml-topic-tcpm-v1-1-b99f44badce8@pengutronix.de>
+Badhri
On Fri, Apr 04, 2025 at 12:43:04AM +0200, Michael Grzeschik wrote:
> Since the function tcpm_acc_attach is not setting the data and role for
> for the sink case we extend it to check for it first.
>
> Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
> ---
> drivers/usb/typec/tcpm/tcpm.c | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
> index a99db4e025cd0..839697c14265e 100644
> --- a/drivers/usb/typec/tcpm/tcpm.c
> +++ b/drivers/usb/typec/tcpm/tcpm.c
> @@ -4551,12 +4551,17 @@ static void tcpm_snk_detach(struct tcpm_port *port)
> static int tcpm_acc_attach(struct tcpm_port *port)
> {
> int ret;
> + enum typec_role role;
> + enum typec_data_role data;
>
> if (port->attached)
> return 0;
>
> - ret = tcpm_set_roles(port, true, TYPEC_SOURCE,
> - tcpm_data_role_for_source(port));
> + role = tcpm_port_is_sink(port) ? TYPEC_SINK : TYPEC_SOURCE;
> + data = tcpm_port_is_sink(port) ? tcpm_data_role_for_sink(port)
> + : tcpm_data_role_for_source(port);
> +
> + ret = tcpm_set_roles(port, true, role, data);
> if (ret < 0)
> return ret;
>
--
heikki
next prev parent reply other threads:[~2025-04-07 13:46 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-03 22:43 [PATCH 0/3] usb: typec: tcpm: sink (ufp) accessory mode support Michael Grzeschik
2025-04-03 22:43 ` [PATCH 1/3] usb: typec: tcpm: allow to use sink in accessory mode Michael Grzeschik
2025-04-07 13:46 ` Heikki Krogerus [this message]
2025-04-03 22:43 ` [PATCH 2/3] usb: typec: tcpm: allow sink (ufp) to toggle into accessory mode debug Michael Grzeschik
2025-04-07 13:48 ` Heikki Krogerus
2025-04-03 22:43 ` [PATCH 3/3] usb: typec: tcpm: allow switching to mode accessory to mux properly Michael Grzeschik
2025-04-07 13:50 ` Heikki Krogerus
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