1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id:$
*
* Copyright (C) 2009 by Mark Arigo
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#if (CONFIG_TUNER & TEA5767)
#include "i2c-pp.h"
#include "fmradio_i2c.h"
/* The TEA5767 uses 5 bytes, but the pp-i2c will only read/write 4 bytes
at a time. The tuner doesn't like it when the i2c resets to send the 5th
byte. So, we can only read/write the first 4 bytes. Luckily, on read,
the 5th byte is reserved and on write we only use that for the deemphasis
bit (which we'll have to ignore). This is what the OF appears to do too. */
int fmradio_i2c_write(unsigned char address, const unsigned char* buf, int count)
{
(void)count;
return i2c_sendbytes(address, 4, buf);
}
int fmradio_i2c_read(unsigned char address, unsigned char* buf, int count)
{
(void)count;
return i2c_readbytes(address, -1, 4, buf);
}
#endif
|
