diff options
Diffstat (limited to 'drivers/media/video/ths7303.c')
-rw-r--r-- | drivers/media/video/ths7303.c | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/drivers/media/video/ths7303.c b/drivers/media/video/ths7303.c deleted file mode 100644 index e5c0eedebc58..000000000000 --- a/drivers/media/video/ths7303.c +++ /dev/null @@ -1,140 +0,0 @@ -/* - * ths7303- THS7303 Video Amplifier driver - * - * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/ - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed .as is. WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/ctype.h> -#include <linux/slab.h> -#include <linux/i2c.h> -#include <linux/device.h> -#include <linux/delay.h> -#include <linux/module.h> -#include <linux/uaccess.h> -#include <linux/videodev2.h> - -#include <media/v4l2-device.h> -#include <media/v4l2-subdev.h> -#include <media/v4l2-chip-ident.h> - -MODULE_DESCRIPTION("TI THS7303 video amplifier driver"); -MODULE_AUTHOR("Chaithrika U S"); -MODULE_LICENSE("GPL"); - -static int debug; -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "Debug level 0-1"); - -/* following function is used to set ths7303 */ -static int ths7303_setvalue(struct v4l2_subdev *sd, v4l2_std_id std) -{ - int err = 0; - u8 val; - struct i2c_client *client; - - client = v4l2_get_subdevdata(sd); - - if (std & (V4L2_STD_ALL & ~V4L2_STD_SECAM)) { - val = 0x02; - v4l2_dbg(1, debug, sd, "setting value for SDTV format\n"); - } else { - val = 0x00; - v4l2_dbg(1, debug, sd, "disabling all channels\n"); - } - - err |= i2c_smbus_write_byte_data(client, 0x01, val); - err |= i2c_smbus_write_byte_data(client, 0x02, val); - err |= i2c_smbus_write_byte_data(client, 0x03, val); - - if (err) - v4l2_err(sd, "write failed\n"); - - return err; -} - -static int ths7303_s_std_output(struct v4l2_subdev *sd, v4l2_std_id norm) -{ - return ths7303_setvalue(sd, norm); -} - -static int ths7303_g_chip_ident(struct v4l2_subdev *sd, - struct v4l2_dbg_chip_ident *chip) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - - return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_THS7303, 0); -} - -static const struct v4l2_subdev_video_ops ths7303_video_ops = { - .s_std_output = ths7303_s_std_output, -}; - -static const struct v4l2_subdev_core_ops ths7303_core_ops = { - .g_chip_ident = ths7303_g_chip_ident, -}; - -static const struct v4l2_subdev_ops ths7303_ops = { - .core = &ths7303_core_ops, - .video = &ths7303_video_ops, -}; - -static int ths7303_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct v4l2_subdev *sd; - v4l2_std_id std_id = V4L2_STD_NTSC; - - if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return -ENODEV; - - v4l_info(client, "chip found @ 0x%x (%s)\n", - client->addr << 1, client->adapter->name); - - sd = kzalloc(sizeof(struct v4l2_subdev), GFP_KERNEL); - if (sd == NULL) - return -ENOMEM; - - v4l2_i2c_subdev_init(sd, client, &ths7303_ops); - - return ths7303_setvalue(sd, std_id); -} - -static int ths7303_remove(struct i2c_client *client) -{ - struct v4l2_subdev *sd = i2c_get_clientdata(client); - - v4l2_device_unregister_subdev(sd); - kfree(sd); - - return 0; -} - -static const struct i2c_device_id ths7303_id[] = { - {"ths7303", 0}, - {}, -}; - -MODULE_DEVICE_TABLE(i2c, ths7303_id); - -static struct i2c_driver ths7303_driver = { - .driver = { - .owner = THIS_MODULE, - .name = "ths7303", - }, - .probe = ths7303_probe, - .remove = ths7303_remove, - .id_table = ths7303_id, -}; - -module_i2c_driver(ths7303_driver); |