[media] media: mt9m111: add device-tree suppport

Add device-tree support for mt9m111 camera sensor.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/i2c/soc_camera/mt9m111.c b/drivers/media/i2c/soc_camera/mt9m111.c
index ccf5940..b51e856 100644 (file)
--- a/drivers/media/i2c/soc_camera/mt9m111.c
+++ b/drivers/media/i2c/soc_camera/mt9m111.c
@@ -931,6 +931,12 @@ static int mt9m111_probe(struct i2c_client *client,
        struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);
        int ret;
 
+       if (client->dev.of_node) {
+               ssdd = devm_kzalloc(&client->dev, sizeof(*ssdd), GFP_KERNEL);
+               if (!ssdd)
+                       return -ENOMEM;
+               client->dev.platform_data = ssdd;
+       }
        if (!ssdd) {
                dev_err(&client->dev, "mt9m111: driver needs platform data\n");
                return -EINVAL;
@@ -1015,6 +1021,11 @@ static int mt9m111_remove(struct i2c_client *client)
 
        return 0;
 }
+static const struct of_device_id mt9m111_of_match[] = {
+       { .compatible = "micron,mt9m111", },
+       {},
+};
+MODULE_DEVICE_TABLE(of, mt9m111_of_match);
 
 static const struct i2c_device_id mt9m111_id[] = {
        { "mt9m111", 0 },
@@ -1025,6 +1036,7 @@ MODULE_DEVICE_TABLE(i2c, mt9m111_id);
 static struct i2c_driver mt9m111_i2c_driver = {
        .driver = {
                .name = "mt9m111",
+               .of_match_table = of_match_ptr(mt9m111_of_match),
        },
        .probe          = mt9m111_probe,
        .remove         = mt9m111_remove,