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[media] media: i2c: ov2659: Use v4l2_of_alloc_parse_endpoint()

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Instead of parsing the link-frequencies property in the driver, let
v4l2_of_alloc_parse_endpoint() do it.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Lad, Prabhakar 2015-04-15 18:14:17 -03:00 committed by Mauro Carvalho Chehab
parent 7f099a7558
commit b3ab190f1c
1 changed files with 14 additions and 5 deletions
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19
drivers/media/i2c/ov2659.c
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@ -1340,8 +1340,8 @@ static struct ov2659_platform_data *
ov2659_get_pdata(struct i2c_client *client)
{
struct ov2659_platform_data *pdata;
struct v4l2_of_endpoint *bus_cfg;
struct device_node *endpoint;
int ret;
if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node)
return client->dev.platform_data;
@ -1350,18 +1350,27 @@ ov2659_get_pdata(struct i2c_client *client)
if (!endpoint)
return NULL;
bus_cfg = v4l2_of_alloc_parse_endpoint(endpoint);
if (IS_ERR(bus_cfg)) {
pdata = NULL;
goto done;
}
pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
goto done;
ret = of_property_read_u64(endpoint, "link-frequencies",
&pdata->link_frequency);
if (ret) {
dev_err(&client->dev, "link-frequencies property not found\n");
if (!bus_cfg->nr_of_link_frequencies) {
dev_err(&client->dev,
"link-frequencies property not found or too many\n");
pdata = NULL;
goto done;
}
pdata->link_frequency = bus_cfg->link_frequencies[0];
done:
v4l2_of_free_endpoint(bus_cfg);
of_node_put(endpoint);
return pdata;
}