V4L/DVB (9962): tea6420: convert to v4l2_subdev.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/tea6420.c b/drivers/media/video/tea6420.c
index e508209..38e519f 100644 (file)
--- a/drivers/media/video/tea6420.c
+++ b/drivers/media/video/tea6420.c
@@ -31,7 +31,7 @@
 #include <linux/module.h>
 #include <linux/ioctl.h>
 #include <linux/i2c.h>
-#include <media/v4l2-common.h>
+#include <media/v4l2-device.h>
 #include <media/v4l2-i2c-drv-legacy.h>
 #include "tea6420.h"
 
@@ -90,26 +90,37 @@ static int tea6420_switch(struct i2c_client *client, int i, int o, int g)
        return 0;
 }
 
-static int tea6420_command(struct i2c_client *client, unsigned cmd, void *arg)
+static int tea6420_ioctl(struct v4l2_subdev *sd, unsigned cmd, void *arg)
 {
-       struct tea6420_multiplex *a = (struct tea6420_multiplex *)arg;
-       int result = 0;
+       if (cmd == TEA6420_SWITCH) {
+               struct i2c_client *client = v4l2_get_subdevdata(sd);
+               struct tea6420_multiplex *a = (struct tea6420_multiplex *)arg;
 
-       switch (cmd) {
-       case TEA6420_SWITCH:
-               result = tea6420_switch(client, a->in, a->out, a->gain);
-               break;
-       default:
-               return -ENOIOCTLCMD;
+               return tea6420_switch(client, a->in, a->out, a->gain);
        }
+       return -ENOIOCTLCMD;
+}
 
-       return result;
+static int tea6420_command(struct i2c_client *client, unsigned cmd, void *arg)
+{
+       return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg);
 }
 
+/* ----------------------------------------------------------------------- */
+
+static const struct v4l2_subdev_core_ops tea6420_core_ops = {
+       .ioctl = tea6420_ioctl,
+};
+
+static const struct v4l2_subdev_ops tea6420_ops = {
+       .core = &tea6420_core_ops,
+};
+
 /* this function is called by i2c_probe */
 static int tea6420_probe(struct i2c_client *client,
                          const struct i2c_device_id *id)
 {
+       struct v4l2_subdev *sd;
        int err, i;
 
        /* let's see whether this adapter can support what we need */
@@ -126,9 +137,22 @@ static int tea6420_probe(struct i2c_client *client,
        }
        if (err) {
                v4l_dbg(1, debug, client, "could not initialize tea6420\n");
-               kfree(client);
                return -ENODEV;
        }
+
+       sd = kmalloc(sizeof(struct v4l2_subdev), GFP_KERNEL);
+       if (sd == NULL)
+               return -ENOMEM;
+       v4l2_i2c_subdev_init(sd, client, &tea6420_ops);
+       return 0;
+}
+
+static int tea6420_remove(struct i2c_client *client)
+{
+       struct v4l2_subdev *sd = i2c_get_clientdata(client);
+
+       v4l2_device_unregister_subdev(sd);
+       kfree(sd);
        return 0;
 }
 
@@ -150,6 +174,7 @@ static struct v4l2_i2c_driver_data v4l2_i2c_data = {
        .driverid = I2C_DRIVERID_TEA6420,
        .command = tea6420_command,
        .probe = tea6420_probe,
+       .remove = tea6420_remove,
        .legacy_probe = tea6420_legacy_probe,
        .id_table = tea6420_id,
 };