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platform: x86: intel_cht_int33fe: Add connection for the DP alt mode 

Adding a connection for the DisplayPort alternate mode.
PI3USB30532 is used for muxing the port to DisplayPort on
CHT platforms. The connection allows the alternate mode
device to get handle to the mux, and therefore make it
possible to use the USB Type-C connector as DisplayPort.

Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Heikki Krogerus 2018-09-20 14:23:42 +03:00 committed by Greg Kroah-Hartman
parent 140a4ec4ad
commit 78d2b54b13
1 changed files with 6 additions and 3 deletions
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9
drivers/platform/x86/intel_cht_int33fe.c
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@ -34,7 +34,7 @@ struct cht_int33fe_data {
struct i2c_client *fusb302;
struct i2c_client *pi3usb30532;
/* Contain a list-head must be per device */
struct device_connection connections[4];
struct device_connection connections[5];
};
/*
@ -181,8 +181,11 @@ static int cht_int33fe_probe(struct i2c_client *client)
data->connections[1].endpoint[1] = "i2c-pi3usb30532";
data->connections[1].id = "typec-mux";
data->connections[2].endpoint[0] = "i2c-fusb302";
data->connections[2].endpoint[1] = "intel_xhci_usb_sw-role-switch";
data->connections[2].id = "usb-role-switch";
data->connections[2].endpoint[1] = "i2c-pi3usb30532";
data->connections[2].id = "idff01m01";
data->connections[3].endpoint[0] = "i2c-fusb302";
data->connections[3].endpoint[1] = "intel_xhci_usb_sw-role-switch";
data->connections[3].id = "usb-role-switch";
device_connections_add(data->connections);