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[media] v4l: of: Return an int in v4l2_of_parse_endpoint() 

When CONFIG_OF is not defined the v4l2_of_parse_endpoint() function is
defined as a stub that returns -ENOSYS. Make the real function return an
integer as well to be able to differentiate between the two cases.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Laurent Pinchart 2013-05-17 07:31:04 -03:00 committed by Mauro Carvalho Chehab
parent 792e8eca55
commit 9ff889b612
2 changed files with 8 additions and 4 deletions
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8
drivers/media/v4l2-core/v4l2-of.c
View File

@ -121,9 +121,11 @@ static void v4l2_of_parse_parallel_bus(const struct device_node *node,
* the bus as serial CSI-2 and clock-noncontinuous isn't set, we set the
* V4L2_MBUS_CSI2_CONTINUOUS_CLOCK flag.
* The caller should hold a reference to @node.
*
* Return: 0.
*/
void v4l2_of_parse_endpoint(const struct device_node *node,
struct v4l2_of_endpoint *endpoint)
int v4l2_of_parse_endpoint(const struct device_node *node,
struct v4l2_of_endpoint *endpoint)
{
struct device_node *port_node = of_get_parent(node);
@ -146,6 +148,8 @@ void v4l2_of_parse_endpoint(const struct device_node *node,
v4l2_of_parse_parallel_bus(node, endpoint);
of_node_put(port_node);
return 0;
}
EXPORT_SYMBOL(v4l2_of_parse_endpoint);

4
include/media/v4l2-of.h
View File

@ -72,8 +72,8 @@ struct v4l2_of_endpoint {
};
#ifdef CONFIG_OF
void v4l2_of_parse_endpoint(const struct device_node *node,
struct v4l2_of_endpoint *link);
int v4l2_of_parse_endpoint(const struct device_node *node,
struct v4l2_of_endpoint *endpoint);
struct device_node *v4l2_of_get_next_endpoint(const struct device_node *parent,
struct device_node *previous);
struct device_node *v4l2_of_get_remote_port_parent(