diff options
Diffstat (limited to 'drivers/staging/go7007/wis-ov7640.c')
| -rw-r--r-- | drivers/staging/go7007/wis-ov7640.c | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/drivers/staging/go7007/wis-ov7640.c b/drivers/staging/go7007/wis-ov7640.c deleted file mode 100644 index 2f9efca0460..00000000000 --- a/drivers/staging/go7007/wis-ov7640.c +++ /dev/null @@ -1,129 +0,0 @@ -/* - * Copyright (C) 2005-2006 Micronas USA Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/i2c.h> -#include <linux/videodev2.h> - -#include "wis-i2c.h" - -struct wis_ov7640 { - int brightness; - int contrast; - int saturation; - int hue; -}; - -static u8 initial_registers[] = -{ - 0x12, 0x80, - 0x12, 0x54, - 0x14, 0x24, - 0x15, 0x01, - 0x28, 0x20, - 0x75, 0x82, - 0xFF, 0xFF, /* Terminator (reg 0xFF is unused) */ -}; - -static int write_regs(struct i2c_client *client, u8 *regs) -{ - int i; - - for (i = 0; regs[i] != 0xFF; i += 2) - if (i2c_smbus_write_byte_data(client, regs[i], regs[i + 1]) < 0) - return -1; - return 0; -} - -static struct i2c_driver wis_ov7640_driver; - -static struct i2c_client wis_ov7640_client_templ = { - .name = "OV7640 (WIS)", - .driver = &wis_ov7640_driver, -}; - -static int wis_ov7640_detect(struct i2c_adapter *adapter, int addr, int kind) -{ - struct i2c_client *client; - - if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return 0; - - client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (client == NULL) - return -ENOMEM; - memcpy(client, &wis_ov7640_client_templ, - sizeof(wis_ov7640_client_templ)); - client->adapter = adapter; - client->addr = addr; - client->flags = I2C_CLIENT_SCCB; - - printk(KERN_DEBUG - "wis-ov7640: initializing OV7640 at address %d on %s\n", - addr, adapter->name); - - if (write_regs(client, initial_registers) < 0) { - printk(KERN_ERR "wis-ov7640: error initializing OV7640\n"); - kfree(client); - return 0; - } - - i2c_attach_client(client); - return 0; -} - -static int wis_ov7640_detach(struct i2c_client *client) -{ - int r; - - r = i2c_detach_client(client); - if (r < 0) - return r; - - kfree(client); - return 0; -} - -static struct i2c_driver wis_ov7640_driver = { - .driver = { - .name = "WIS OV7640 I2C driver", - }, - .id = I2C_DRIVERID_WIS_OV7640, - .detach_client = wis_ov7640_detach, -}; - -static int __init wis_ov7640_init(void) -{ - int r; - - r = i2c_add_driver(&wis_ov7640_driver); - if (r < 0) - return r; - return wis_i2c_add_driver(wis_ov7640_driver.id, wis_ov7640_detect); -} - -static void __exit wis_ov7640_cleanup(void) -{ - wis_i2c_del_driver(wis_ov7640_detect); - i2c_del_driver(&wis_ov7640_driver); -} - -module_init(wis_ov7640_init); -module_exit(wis_ov7640_cleanup); - -MODULE_LICENSE("GPL v2"); |
