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greybus: connection: add camera-data connected workaround

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Firmware currently lacks a representation of the offloaded CDSI
connections and connected requests sent for these ports therefore fails.

Add a temporary work-around until this has been resolved in firmware.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Johan Hovold 2016-05-11 10:18:05 +02:00 • committed by Greg Kroah-Hartman
commit 3b05d8508f
1 changed files with 10 additions and 0 deletions
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10
drivers/staging/greybus/connection.c
View file

@ -402,6 +402,16 @@ static int gb_connection_control_connected(struct gb_connection *connection)
if (gb_connection_is_static(connection))
return 0;
/*
* HACK: Suppress connected request for the offloaded camera
* connection as it is currently not supported by firmware. Note that
* the corresponding non-fatal disconnected event is still sent.
*/
if (gb_connection_is_offloaded(connection) &&
connection->flags & GB_CONNECTION_FLAG_CDSI1) {
return 0;
}
control = connection->intf->control;
if (connection == control->connection)