V4L/DVB (9961): tea6415c: convert to v4l2_subdev.
authorHans Verkuil <hverkuil@xs4all.nl>
Thu, 18 Dec 2008 15:29:07 +0000 (12:29 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Tue, 30 Dec 2008 11:39:30 +0000 (09:39 -0200)
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/video/tea6415c.c

index cde092a..31dde86 100644 (file)
@@ -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 "tea6415c.h"
 
@@ -122,31 +122,57 @@ static int switch_matrix(struct i2c_client *client, int i, int o)
        return ret;
 }
 
-static int tea6415c_command(struct i2c_client *client, unsigned cmd, void *arg)
+static int tea6415c_ioctl(struct v4l2_subdev *sd, unsigned cmd, void *arg)
 {
-       struct tea6415c_multiplex *v = (struct tea6415c_multiplex *)arg;
-       int result = 0;
+       if (cmd == TEA6415C_SWITCH) {
+               struct i2c_client *client = v4l2_get_subdevdata(sd);
+               struct tea6415c_multiplex *v = (struct tea6415c_multiplex *)arg;
 
-       switch (cmd) {
-       case TEA6415C_SWITCH:
-               result = switch_matrix(client, v->in, v->out);
-               break;
-       default:
-               return -ENOIOCTLCMD;
+               return switch_matrix(client, v->in, v->out);
        }
-       return result;
+       return -ENOIOCTLCMD;
 }
 
+static int tea6415c_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 tea6415c_core_ops = {
+       .ioctl = tea6415c_ioctl,
+};
+
+static const struct v4l2_subdev_ops tea6415c_ops = {
+       .core = &tea6415c_core_ops,
+};
+
 /* this function is called by i2c_probe */
 static int tea6415c_probe(struct i2c_client *client,
                          const struct i2c_device_id *id)
 {
+       struct v4l2_subdev *sd;
+
        /* let's see whether this adapter can support what we need */
        if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WRITE_BYTE))
                return 0;
 
        v4l_info(client, "chip found @ 0x%x (%s)\n",
                        client->addr << 1, client->adapter->name);
+       sd = kmalloc(sizeof(struct v4l2_subdev), GFP_KERNEL);
+       if (sd == NULL)
+               return -ENOMEM;
+       v4l2_i2c_subdev_init(sd, client, &tea6415c_ops);
+       return 0;
+}
+
+static int tea6415c_remove(struct i2c_client *client)
+{
+       struct v4l2_subdev *sd = i2c_get_clientdata(client);
+
+       v4l2_device_unregister_subdev(sd);
+       kfree(sd);
        return 0;
 }
 
@@ -168,6 +194,7 @@ static struct v4l2_i2c_driver_data v4l2_i2c_data = {
        .driverid = I2C_DRIVERID_TEA6415C,
        .command = tea6415c_command,
        .probe = tea6415c_probe,
+       .remove = tea6415c_remove,
        .legacy_probe = tea6415c_legacy_probe,
        .id_table = tea6415c_id,
 };