redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

V4L/DVB (9961): tea6415c: convert to v4l2_subdev. 

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
hifive-unleashed-5.1
Hans Verkuil 2008-12-18 12:29:07 -03:00 committed by Mauro Carvalho Chehab
parent 035f8dc1e4
commit 85d826b017
1 changed files with 39 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
drivers/media/video/tea6415c.c
View 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_ioctl(struct v4l2_subdev *sd, unsigned cmd, void *arg)
{
if (cmd == TEA6415C_SWITCH) {
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct tea6415c_multiplex *v = (struct tea6415c_multiplex *)arg;
return switch_matrix(client, v->in, v->out);
}
return -ENOIOCTLCMD;
}
static int tea6415c_command(struct i2c_client *client, unsigned cmd, void *arg)
{
struct tea6415c_multiplex *v = (struct tea6415c_multiplex *)arg;
int result = 0;
switch (cmd) {
case TEA6415C_SWITCH:
result = switch_matrix(client, v->in, v->out);
break;
default:
return -ENOIOCTLCMD;
}
return result;
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,
};