linux-kernel - [PATCH v11 10/10] usb: typec: tcpci_maxim: Enable auto discharge disconnect

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Date:   Tue, 20 Oct 2020 02:36:27 -0700
From:   Badhri Jagan Sridharan <badhri@...gle.com>
To:     Guenter Roeck <linux@...ck-us.net>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Lee Jones <lee.jones@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Thierry Reding <treding@...dia.com>,
        Prashant Malani <pmalani@...omium.org>,
        Badhri Jagan Sridharan <badhri@...gle.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: [PATCH v11 10/10] usb: typec: tcpci_maxim: Enable auto discharge disconnect

Enable auto discharge disconnect for Maxim TCPC.

Signed-off-by: Badhri Jagan Sridharan <badhri@...gle.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
---
Changes since v1:
- Changing patch version to v6 to fix version number confusion.

Changes since v6:
- Rebase on usb-next.

Changes since v7:
- Heikki's suggestion:
Moved the actual write of TCPC_VBUS_SINK_DISCONNECT_THRES
register to tcpci code.

Changes since v8:
- Moved the logic to program the default values of
  TCPC_VBUS_SINK_DISCONNECT_THRESH into the tcpci code.

Changes since v9:
- none.

Changes since v10:
-Added Reviewed-by: Heikki Krogerus
---
 drivers/usb/typec/tcpm/tcpci_maxim.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/typec/tcpm/tcpci_maxim.c b/drivers/usb/typec/tcpm/tcpci_maxim.c
index aa54b0cf7a64..3c6812daec3c 100644
--- a/drivers/usb/typec/tcpm/tcpci_maxim.c
+++ b/drivers/usb/typec/tcpm/tcpci_maxim.c
@@ -441,6 +441,7 @@ static int max_tcpci_probe(struct i2c_client *client, const struct i2c_device_id
 	chip->data.TX_BUF_BYTE_x_hidden = true;
 	chip->data.init = tcpci_init;
 	chip->data.frs_sourcing_vbus = max_tcpci_frs_sourcing_vbus;
+	chip->data.auto_discharge_disconnect = true;
 
 	max_tcpci_init_regs(chip);
 	chip->tcpci = tcpci_register_port(chip->dev, &chip->data);
-- 
2.29.0.rc1.297.gfa9743e501-goog