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media: exynos4-is: Add support for multiple sensors on one port

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On some devices, there may be multiple camera sensors attached
to the same port.  Make sure we probe all of them, not just the
first one.

Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Jonathan Bakker 2020-07-31 01:01:10 +02:00 committed by Mauro Carvalho Chehab
parent 401b463dac
commit 18174117ba
1 changed files with 19 additions and 9 deletions
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28
drivers/media/platform/exynos4-is/media-dev.c
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@ -395,21 +395,15 @@ static void fimc_md_pipelines_free(struct fimc_md *fmd)
}
}
/* Parse port node and register as a sub-device any sensor specified there. */
static int fimc_md_parse_port_node(struct fimc_md *fmd,
struct device_node *port)
static int fimc_md_parse_one_endpoint(struct fimc_md *fmd,
struct device_node *ep)
{
int index = fmd->num_sensors;
struct fimc_source_info *pd = &fmd->sensor[index].pdata;
struct device_node *rem, *ep, *np;
struct device_node *rem, *np;
struct v4l2_fwnode_endpoint endpoint = { .bus_type = 0 };
int ret;
/* Assume here a port node can have only one endpoint node. */
ep = of_get_next_child(port, NULL);
if (!ep)
return 0;
ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &endpoint);
if (ret) {
of_node_put(ep);
@ -483,6 +477,22 @@ static int fimc_md_parse_port_node(struct fimc_md *fmd,
return 0;
}
/* Parse port node and register as a sub-device any sensor specified there. */
static int fimc_md_parse_port_node(struct fimc_md *fmd,
struct device_node *port)
{
struct device_node *ep;
int ret;
for_each_child_of_node(port, ep) {
ret = fimc_md_parse_one_endpoint(fmd, ep);
if (ret < 0)
return ret;
}
return 0;
}
/* Register all SoC external sub-devices */
static int fimc_md_register_sensor_entities(struct fimc_md *fmd)
{