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[/] [test_project/] [trunk/] [linux_sd_driver/] [drivers/] [media/] [video/] [bt866.c] - Blame information for rev 62

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/*
    bt866 - BT866 Digital Video Encoder (Rockwell Part)
 
    Copyright (C) 1999 Mike Bernson <mike@mlb.org>
    Copyright (C) 1998 Dave Perks <dperks@ibm.net>
 
    Modifications for LML33/DC10plus unified driver
    Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
 
    This code was modify/ported from the saa7111 driver written
    by Dave Perks.
 
    This code was adapted for the bt866 by Christer Weinigel and ported
    to 2.6 by Martin Samuelsson.
 
    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; either version 2 of the License, or
    (at your option) any later version.
 
    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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
 
#include <linux/module.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/kernel.h>
#include <linux/major.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/signal.h>
#include <asm/io.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <linux/sched.h>
#include <linux/types.h>
#include <linux/i2c.h>
 
#include <linux/videodev.h>
#include <asm/uaccess.h>
 
#include <linux/video_encoder.h>
 
MODULE_LICENSE("GPL");
 
#define BT866_DEVNAME   "bt866"
#define I2C_BT866       0x88
 
MODULE_LICENSE("GPL");
 
#define DEBUG(x)                /* Debug driver */
 
/* ----------------------------------------------------------------------- */
 
struct bt866 {
        struct i2c_client *i2c;
        int addr;
        unsigned char reg[256];
 
        int norm;
        int enable;
        int bright;
        int contrast;
        int hue;
        int sat;
};
 
static int bt866_write(struct bt866 *dev,
                        unsigned char subaddr, unsigned char data);
 
static int bt866_do_command(struct bt866 *encoder,
                        unsigned int cmd, void *arg)
{
        switch (cmd) {
        case ENCODER_GET_CAPABILITIES:
        {
                struct video_encoder_capability *cap = arg;
 
                DEBUG(printk
                      (KERN_INFO "%s: get capabilities\n",
                       encoder->i2c->name));
 
                cap->flags
                        = VIDEO_ENCODER_PAL
                        | VIDEO_ENCODER_NTSC
                        | VIDEO_ENCODER_CCIR;
                cap->inputs = 2;
                cap->outputs = 1;
        }
        break;
 
        case ENCODER_SET_NORM:
        {
                int *iarg = arg;
 
                DEBUG(printk(KERN_INFO "%s: set norm %d\n",
                             encoder->i2c->name, *iarg));
 
                switch (*iarg) {
 
                case VIDEO_MODE_NTSC:
                        break;
 
                case VIDEO_MODE_PAL:
                        break;
 
                default:
                        return -EINVAL;
 
                }
                encoder->norm = *iarg;
        }
        break;
 
        case ENCODER_SET_INPUT:
        {
                int *iarg = arg;
                static const __u8 init[] = {
                        0xc8, 0xcc, /* CRSCALE */
                        0xca, 0x91, /* CBSCALE */
                        0xcc, 0x24, /* YC16 | OSDNUM */
                        0xda, 0x00, /*  */
                        0xdc, 0x24, /* SETMODE | PAL */
                        0xde, 0x02, /* EACTIVE */
 
                        /* overlay colors */
                        0x70, 0xEB, 0x90, 0x80, 0xB0, 0x80, /* white */
                        0x72, 0xA2, 0x92, 0x8E, 0xB2, 0x2C, /* yellow */
                        0x74, 0x83, 0x94, 0x2C, 0xB4, 0x9C, /* cyan */
                        0x76, 0x70, 0x96, 0x3A, 0xB6, 0x48, /* green */
                        0x78, 0x54, 0x98, 0xC6, 0xB8, 0xB8, /* magenta */
                        0x7A, 0x41, 0x9A, 0xD4, 0xBA, 0x64, /* red */
                        0x7C, 0x23, 0x9C, 0x72, 0xBC, 0xD4, /* blue */
                        0x7E, 0x10, 0x9E, 0x80, 0xBE, 0x80, /* black */
 
                        0x60, 0xEB, 0x80, 0x80, 0xc0, 0x80, /* white */
                        0x62, 0xA2, 0x82, 0x8E, 0xc2, 0x2C, /* yellow */
                        0x64, 0x83, 0x84, 0x2C, 0xc4, 0x9C, /* cyan */
                        0x66, 0x70, 0x86, 0x3A, 0xc6, 0x48, /* green */
                        0x68, 0x54, 0x88, 0xC6, 0xc8, 0xB8, /* magenta */
                        0x6A, 0x41, 0x8A, 0xD4, 0xcA, 0x64, /* red */
                        0x6C, 0x23, 0x8C, 0x72, 0xcC, 0xD4, /* blue */
                        0x6E, 0x10, 0x8E, 0x80, 0xcE, 0x80, /* black */
                };
                int i;
                u8 val;
 
                for (i = 0; i < ARRAY_SIZE(init) / 2; i += 2)
                        bt866_write(encoder, init[i], init[i+1]);
 
                val = encoder->reg[0xdc];
 
                if (*iarg == 0)
                        val |= 0x40; /* CBSWAP */
                else
                        val &= ~0x40; /* !CBSWAP */
 
                bt866_write(encoder, 0xdc, val);
 
                val = encoder->reg[0xcc];
                if (*iarg == 2)
                        val |= 0x01; /* OSDBAR */
                else
                        val &= ~0x01; /* !OSDBAR */
                bt866_write(encoder, 0xcc, val);
 
                DEBUG(printk(KERN_INFO "%s: set input %d\n",
                             encoder->i2c->name, *iarg));
 
                switch (*iarg) {
                case 0:
                        break;
                case 1:
                        break;
                default:
                        return -EINVAL;
 
                }
        }
        break;
 
        case ENCODER_SET_OUTPUT:
        {
                int *iarg = arg;
 
                DEBUG(printk(KERN_INFO "%s: set output %d\n",
                             encoder->i2c->name, *iarg));
 
                /* not much choice of outputs */
                if (*iarg != 0)
                        return -EINVAL;
        }
        break;
 
        case ENCODER_ENABLE_OUTPUT:
        {
                int *iarg = arg;
                encoder->enable = !!*iarg;
 
                DEBUG(printk
                      (KERN_INFO "%s: enable output %d\n",
                       encoder->i2c->name, encoder->enable));
        }
        break;
 
        case 4711:
        {
                int *iarg = arg;
                __u8 val;
 
                printk("bt866: square = %d\n", *iarg);
 
                val = encoder->reg[0xdc];
                if (*iarg)
                        val |= 1; /* SQUARE */
                else
                        val &= ~1; /* !SQUARE */
                bt866_write(encoder, 0xdc, val);
                break;
        }
 
        default:
                return -EINVAL;
        }
 
        return 0;
}
 
static int bt866_write(struct bt866 *encoder,
                        unsigned char subaddr, unsigned char data)
{
        unsigned char buffer[2];
        int err;
 
        buffer[0] = subaddr;
        buffer[1] = data;
 
        encoder->reg[subaddr] = data;
 
        DEBUG(printk
              ("%s: write 0x%02X = 0x%02X\n",
               encoder->i2c->name, subaddr, data));
 
        for (err = 0; err < 3;) {
                if (i2c_master_send(encoder->i2c, buffer, 2) == 2)
                        break;
                err++;
                printk(KERN_WARNING "%s: I/O error #%d "
                       "(write 0x%02x/0x%02x)\n",
                       encoder->i2c->name, err, encoder->addr, subaddr);
                schedule_timeout_interruptible(msecs_to_jiffies(100));
        }
        if (err == 3) {
                printk(KERN_WARNING "%s: giving up\n",
                       encoder->i2c->name);
                return -1;
        }
 
        return 0;
}
 
static int bt866_attach(struct i2c_adapter *adapter);
static int bt866_detach(struct i2c_client *client);
static int bt866_command(struct i2c_client *client,
                         unsigned int cmd, void *arg);
 
 
/* Addresses to scan */
static unsigned short normal_i2c[]      = {I2C_BT866>>1, I2C_CLIENT_END};
static unsigned short probe[2]          = {I2C_CLIENT_END, I2C_CLIENT_END};
static unsigned short ignore[2]         = {I2C_CLIENT_END, I2C_CLIENT_END};
 
static struct i2c_client_address_data addr_data = {
        normal_i2c,
        probe,
        ignore,
};
 
static struct i2c_driver i2c_driver_bt866 = {
        .driver.name = BT866_DEVNAME,
        .id = I2C_DRIVERID_BT866,
        .attach_adapter = bt866_attach,
        .detach_client = bt866_detach,
        .command = bt866_command
};
 
 
static struct i2c_client bt866_client_tmpl =
{
        .name = "(nil)",
        .addr = 0,
        .adapter = NULL,
        .driver = &i2c_driver_bt866,
};
 
static int bt866_found_proc(struct i2c_adapter *adapter,
                            int addr, int kind)
{
        struct bt866 *encoder;
        struct i2c_client *client;
 
        client = kzalloc(sizeof(*client), GFP_KERNEL);
        if (client == NULL)
                return -ENOMEM;
        memcpy(client, &bt866_client_tmpl, sizeof(*client));
 
        encoder = kzalloc(sizeof(*encoder), GFP_KERNEL);
        if (encoder == NULL) {
                kfree(client);
                return -ENOMEM;
        }
 
        i2c_set_clientdata(client, encoder);
        client->adapter = adapter;
        client->addr = addr;
        sprintf(client->name, "%s-%02x", BT866_DEVNAME, adapter->id);
 
        encoder->i2c = client;
        encoder->addr = addr;
        //encoder->encoder_type = ENCODER_TYPE_UNKNOWN;
 
        /* initialize */
 
        i2c_attach_client(client);
 
        return 0;
}
 
static int bt866_attach(struct i2c_adapter *adapter)
{
        if (adapter->id == I2C_HW_B_ZR36067)
                return i2c_probe(adapter, &addr_data, bt866_found_proc);
        return 0;
}
 
static int bt866_detach(struct i2c_client *client)
{
        struct bt866 *encoder = i2c_get_clientdata(client);
 
        i2c_detach_client(client);
        kfree(encoder);
        kfree(client);
 
        return 0;
}
 
static int bt866_command(struct i2c_client *client,
                         unsigned int cmd, void *arg)
{
        struct bt866 *encoder = i2c_get_clientdata(client);
        return bt866_do_command(encoder, cmd, arg);
}
 
static int __devinit bt866_init(void)
{
        i2c_add_driver(&i2c_driver_bt866);
        return 0;
}
 
static void __devexit bt866_exit(void)
{
        i2c_del_driver(&i2c_driver_bt866);
}
 
module_init(bt866_init);
module_exit(bt866_exit);

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[/] [test_project/] [trunk/] [linux_sd_driver/] [drivers/] [media/] [video/] [bt866.c] - Blame information for rev 62

Line No.	Rev	Author	Line
1	62	marcus.erl	`/*`
2			`bt866 - BT866 Digital Video Encoder (Rockwell Part)`
3
4			`Copyright (C) 1999 Mike Bernson <mike@mlb.org>`
5			`Copyright (C) 1998 Dave Perks <dperks@ibm.net>`
6
7			`Modifications for LML33/DC10plus unified driver`
8			`Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>`
9
10			`This code was modify/ported from the saa7111 driver written`
11			`by Dave Perks.`
12
13			`This code was adapted for the bt866 by Christer Weinigel and ported`
14			`to 2.6 by Martin Samuelsson.`
15
16			`This program is free software; you can redistribute it and/or modify`
17			`it under the terms of the GNU General Public License as published by`
18			`the Free Software Foundation; either version 2 of the License, or`
19			`(at your option) any later version.`
20
21			`This program is distributed in the hope that it will be useful,`
22			`but WITHOUT ANY WARRANTY; without even the implied warranty of`
23			`MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the`
24			`GNU General Public License for more details.`
25
26			`You should have received a copy of the GNU General Public License`
27			`along with this program; if not, write to the Free Software`
28			`Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.`
29			`*/`
30
31			`#include <linux/module.h>`
32			`#include <linux/init.h>`
33			`#include <linux/delay.h>`
34			`#include <linux/errno.h>`
35			`#include <linux/fs.h>`
36			`#include <linux/kernel.h>`
37			`#include <linux/major.h>`
38			`#include <linux/slab.h>`
39			`#include <linux/mm.h>`
40			`#include <linux/signal.h>`
41			`#include <asm/io.h>`
42			`#include <asm/pgtable.h>`
43			`#include <asm/page.h>`
44			`#include <linux/sched.h>`
45			`#include <linux/types.h>`
46			`#include <linux/i2c.h>`
47
48			`#include <linux/videodev.h>`
49			`#include <asm/uaccess.h>`
50
51			`#include <linux/video_encoder.h>`
52
53			`MODULE_LICENSE("GPL");`
54
55			`#define BT866_DEVNAME "bt866"`
56			`#define I2C_BT866 0x88`
57
58			`MODULE_LICENSE("GPL");`
59
60			`#define DEBUG(x) /* Debug driver */`
61
62			`/* ----------------------------------------------------------------------- */`
63
64			`struct bt866 {`
65			`struct i2c_client *i2c;`
66			`int addr;`
67			`unsigned char reg[256];`
68
69			`int norm;`
70			`int enable;`
71			`int bright;`
72			`int contrast;`
73			`int hue;`
74			`int sat;`
75			`};`
76
77			`static int bt866_write(struct bt866 *dev,`
78			`unsigned char subaddr, unsigned char data);`
79
80			`static int bt866_do_command(struct bt866 *encoder,`
81			`unsigned int cmd, void *arg)`
82			`{`
83			`switch (cmd) {`
84			`case ENCODER_GET_CAPABILITIES:`
85			`{`
86			`struct video_encoder_capability *cap = arg;`
87
88			`DEBUG(printk`
89			`(KERN_INFO "%s: get capabilities\n",`
90			`encoder->i2c->name));`
91
92			`cap->flags`
93			`= VIDEO_ENCODER_PAL`
94			`\| VIDEO_ENCODER_NTSC`
95			`\| VIDEO_ENCODER_CCIR;`
96			`cap->inputs = 2;`
97			`cap->outputs = 1;`
98			`}`
99			`break;`
100
101			`case ENCODER_SET_NORM:`
102			`{`
103			`int *iarg = arg;`
104
105			`DEBUG(printk(KERN_INFO "%s: set norm %d\n",`
106			`encoder->i2c->name, *iarg));`
107
108			`switch (*iarg) {`
109
110			`case VIDEO_MODE_NTSC:`
111			`break;`
112
113			`case VIDEO_MODE_PAL:`
114			`break;`
115
116			`default:`
117			`return -EINVAL;`
118
119			`}`
120			`encoder->norm = *iarg;`
121			`}`
122			`break;`
123
124			`case ENCODER_SET_INPUT:`
125			`{`
126			`int *iarg = arg;`
127			`static const __u8 init[] = {`
128			`0xc8, 0xcc, /* CRSCALE */`
129			`0xca, 0x91, /* CBSCALE */`
130			`0xcc, 0x24, /* YC16 \| OSDNUM */`
131			`0xda, 0x00, /* */`
132			`0xdc, 0x24, /* SETMODE \| PAL */`
133			`0xde, 0x02, /* EACTIVE */`
134
135			`/* overlay colors */`
136			`0x70, 0xEB, 0x90, 0x80, 0xB0, 0x80, /* white */`
137			`0x72, 0xA2, 0x92, 0x8E, 0xB2, 0x2C, /* yellow */`
138			`0x74, 0x83, 0x94, 0x2C, 0xB4, 0x9C, /* cyan */`
139			`0x76, 0x70, 0x96, 0x3A, 0xB6, 0x48, /* green */`
140			`0x78, 0x54, 0x98, 0xC6, 0xB8, 0xB8, /* magenta */`
141			`0x7A, 0x41, 0x9A, 0xD4, 0xBA, 0x64, /* red */`
142			`0x7C, 0x23, 0x9C, 0x72, 0xBC, 0xD4, /* blue */`
143			`0x7E, 0x10, 0x9E, 0x80, 0xBE, 0x80, /* black */`
144
145			`0x60, 0xEB, 0x80, 0x80, 0xc0, 0x80, /* white */`
146			`0x62, 0xA2, 0x82, 0x8E, 0xc2, 0x2C, /* yellow */`
147			`0x64, 0x83, 0x84, 0x2C, 0xc4, 0x9C, /* cyan */`
148			`0x66, 0x70, 0x86, 0x3A, 0xc6, 0x48, /* green */`
149			`0x68, 0x54, 0x88, 0xC6, 0xc8, 0xB8, /* magenta */`
150			`0x6A, 0x41, 0x8A, 0xD4, 0xcA, 0x64, /* red */`
151			`0x6C, 0x23, 0x8C, 0x72, 0xcC, 0xD4, /* blue */`
152			`0x6E, 0x10, 0x8E, 0x80, 0xcE, 0x80, /* black */`
153			`};`
154			`int i;`
155			`u8 val;`
156
157			`for (i = 0; i < ARRAY_SIZE(init) / 2; i += 2)`
158			`bt866_write(encoder, init[i], init[i+1]);`
159
160			`val = encoder->reg[0xdc];`
161
162			`if (*iarg == 0)`
163			`val \|= 0x40; /* CBSWAP */`
164			`else`
165			`val &= ~0x40; /* !CBSWAP */`
166
167			`bt866_write(encoder, 0xdc, val);`
168
169			`val = encoder->reg[0xcc];`
170			`if (*iarg == 2)`
171			`val \|= 0x01; /* OSDBAR */`
172			`else`
173			`val &= ~0x01; /* !OSDBAR */`
174			`bt866_write(encoder, 0xcc, val);`
175
176			`DEBUG(printk(KERN_INFO "%s: set input %d\n",`
177			`encoder->i2c->name, *iarg));`
178
179			`switch (*iarg) {`
180			`case 0:`
181			`break;`
182			`case 1:`
183			`break;`
184			`default:`
185			`return -EINVAL;`
186
187			`}`
188			`}`
189			`break;`
190
191			`case ENCODER_SET_OUTPUT:`
192			`{`
193			`int *iarg = arg;`
194
195			`DEBUG(printk(KERN_INFO "%s: set output %d\n",`
196			`encoder->i2c->name, *iarg));`
197
198			`/* not much choice of outputs */`
199			`if (*iarg != 0)`
200			`return -EINVAL;`
201			`}`
202			`break;`
203
204			`case ENCODER_ENABLE_OUTPUT:`
205			`{`
206			`int *iarg = arg;`
207			`encoder->enable = !!*iarg;`
208
209			`DEBUG(printk`
210			`(KERN_INFO "%s: enable output %d\n",`
211			`encoder->i2c->name, encoder->enable));`
212			`}`
213			`break;`
214
215			`case 4711:`
216			`{`
217			`int *iarg = arg;`
218			`__u8 val;`
219
220			`printk("bt866: square = %d\n", *iarg);`
221
222			`val = encoder->reg[0xdc];`
223			`if (*iarg)`
224			`val \|= 1; /* SQUARE */`
225			`else`
226			`val &= ~1; /* !SQUARE */`
227			`bt866_write(encoder, 0xdc, val);`
228			`break;`
229			`}`
230
231			`default:`
232			`return -EINVAL;`
233			`}`
234
235			`return 0;`
236			`}`
237
238			`static int bt866_write(struct bt866 *encoder,`
239			`unsigned char subaddr, unsigned char data)`
240			`{`
241			`unsigned char buffer[2];`
242			`int err;`
243
244			`buffer[0] = subaddr;`
245			`buffer[1] = data;`
246
247			`encoder->reg[subaddr] = data;`
248
249			`DEBUG(printk`
250			`("%s: write 0x%02X = 0x%02X\n",`
251			`encoder->i2c->name, subaddr, data));`
252
253			`for (err = 0; err < 3;) {`
254			`if (i2c_master_send(encoder->i2c, buffer, 2) == 2)`
255			`break;`
256			`err++;`
257			`printk(KERN_WARNING "%s: I/O error #%d "`
258			`"(write 0x%02x/0x%02x)\n",`
259			`encoder->i2c->name, err, encoder->addr, subaddr);`
260			`schedule_timeout_interruptible(msecs_to_jiffies(100));`
261			`}`
262			`if (err == 3) {`
263			`printk(KERN_WARNING "%s: giving up\n",`
264			`encoder->i2c->name);`
265			`return -1;`
266			`}`
267
268			`return 0;`
269			`}`
270
271			`static int bt866_attach(struct i2c_adapter *adapter);`
272			`static int bt866_detach(struct i2c_client *client);`
273			`static int bt866_command(struct i2c_client *client,`
274			`unsigned int cmd, void *arg);`
275
276
277			`/* Addresses to scan */`
278			`static unsigned short normal_i2c[] = {I2C_BT866>>1, I2C_CLIENT_END};`
279			`static unsigned short probe[2] = {I2C_CLIENT_END, I2C_CLIENT_END};`
280			`static unsigned short ignore[2] = {I2C_CLIENT_END, I2C_CLIENT_END};`
281
282			`static struct i2c_client_address_data addr_data = {`
283			`normal_i2c,`
284			`probe,`
285			`ignore,`
286			`};`
287
288			`static struct i2c_driver i2c_driver_bt866 = {`
289			`.driver.name = BT866_DEVNAME,`
290			`.id = I2C_DRIVERID_BT866,`
291			`.attach_adapter = bt866_attach,`
292			`.detach_client = bt866_detach,`
293			`.command = bt866_command`
294			`};`
295
296
297			`static struct i2c_client bt866_client_tmpl =`
298			`{`
299			`.name = "(nil)",`
300			`.addr = 0,`
301			`.adapter = NULL,`
302			`.driver = &i2c_driver_bt866,`
303			`};`
304
305			`static int bt866_found_proc(struct i2c_adapter *adapter,`
306			`int addr, int kind)`
307			`{`
308			`struct bt866 *encoder;`
309			`struct i2c_client *client;`
310
311			`client = kzalloc(sizeof(*client), GFP_KERNEL);`
312			`if (client == NULL)`
313			`return -ENOMEM;`
314			`memcpy(client, &bt866_client_tmpl, sizeof(*client));`
315
316			`encoder = kzalloc(sizeof(*encoder), GFP_KERNEL);`
317			`if (encoder == NULL) {`
318			`kfree(client);`
319			`return -ENOMEM;`
320			`}`
321
322			`i2c_set_clientdata(client, encoder);`
323			`client->adapter = adapter;`
324			`client->addr = addr;`
325			`sprintf(client->name, "%s-%02x", BT866_DEVNAME, adapter->id);`
326
327			`encoder->i2c = client;`
328			`encoder->addr = addr;`
329			`//encoder->encoder_type = ENCODER_TYPE_UNKNOWN;`
330
331			`/* initialize */`
332
333			`i2c_attach_client(client);`
334
335			`return 0;`
336			`}`
337
338			`static int bt866_attach(struct i2c_adapter *adapter)`
339			`{`
340			`if (adapter->id == I2C_HW_B_ZR36067)`
341			`return i2c_probe(adapter, &addr_data, bt866_found_proc);`
342			`return 0;`
343			`}`
344
345			`static int bt866_detach(struct i2c_client *client)`
346			`{`
347			`struct bt866 *encoder = i2c_get_clientdata(client);`
348
349			`i2c_detach_client(client);`
350			`kfree(encoder);`
351			`kfree(client);`
352
353			`return 0;`
354			`}`
355
356			`static int bt866_command(struct i2c_client *client,`
357			`unsigned int cmd, void *arg)`
358			`{`
359			`struct bt866 *encoder = i2c_get_clientdata(client);`
360			`return bt866_do_command(encoder, cmd, arg);`
361			`}`
362
363			`static int __devinit bt866_init(void)`
364			`{`
365			`i2c_add_driver(&i2c_driver_bt866);`
366			`return 0;`
367			`}`
368
369			`static void __devexit bt866_exit(void)`
370			`{`
371			`i2c_del_driver(&i2c_driver_bt866);`
372			`}`
373
374			`module_init(bt866_init);`
375			`module_exit(bt866_exit);`