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Commit 707a5c42 authored by David Lin's avatar David Lin Committed by Alex Elder
Browse files

greybus: control: add connection suspend and resume calls 



Adds function calls for handling control connection suspend and resume,
for now all they do is disable and enable control connection.

Signed-off-by: default avatarDavid Lin <dtwlin@google.com>
Reviewed-by: default avatarJohan Hovold <johan@hovoldconsulting.com>
Signed-off-by: default avatarAlex Elder <elder@linaro.org>
parent cc28c2c2

drivers/staging/greybus/control.c

+21 −0
Original line number Diff line number Diff line
@@ -546,6 +546,27 @@ void gb_control_disable(struct gb_control *control) 
		gb_connection_disable(control->connection);

}



int gb_control_suspend(struct gb_control *control)

{

	gb_connection_disable(control->connection);



	return 0;

}



int gb_control_resume(struct gb_control *control)

{

	int ret;



	ret = gb_connection_enable_tx(control->connection);

	if (ret) {

		dev_err(&control->connection->intf->dev,

			"failed to enable control connection: %d\n", ret);

		return ret;

	}



	return 0;

}



int gb_control_add(struct gb_control *control)

{

	int ret;

drivers/staging/greybus/control.h

+2 −0
Original line number Diff line number Diff line
@@ -29,6 +29,8 @@ struct gb_control { 
struct gb_control *gb_control_create(struct gb_interface *intf);

int gb_control_enable(struct gb_control *control);

void gb_control_disable(struct gb_control *control);

int gb_control_suspend(struct gb_control *control);

int gb_control_resume(struct gb_control *control);

int gb_control_add(struct gb_control *control);

void gb_control_del(struct gb_control *control);

struct gb_control *gb_control_get(struct gb_control *control);