diff options
Diffstat (limited to 'firmware/target/arm/philips/hdd1630/fmradio_i2c-hdd1630.c')
-rw-r--r-- | firmware/target/arm/philips/hdd1630/fmradio_i2c-hdd1630.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/firmware/target/arm/philips/hdd1630/fmradio_i2c-hdd1630.c b/firmware/target/arm/philips/hdd1630/fmradio_i2c-hdd1630.c new file mode 100644 index 0000000000..c27ba5d462 --- /dev/null +++ b/firmware/target/arm/philips/hdd1630/fmradio_i2c-hdd1630.c | |||
@@ -0,0 +1,44 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id:$ | ||
9 | * | ||
10 | * Copyright (C) 2009 by Mark Arigo | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | #include "config.h" | ||
22 | |||
23 | #if (CONFIG_TUNER & TEA5767) | ||
24 | #include "i2c-pp.h" | ||
25 | #include "fmradio_i2c.h" | ||
26 | |||
27 | /* The TEA5767 uses 5 bytes, but the pp-i2c will only read/write 4 bytes | ||
28 | at a time. The tuner doesn't like it when the i2c resets to send the 5th | ||
29 | byte. So, we can only read/write the first 4 bytes. Luckily, on read, | ||
30 | the 5th byte is reserved and on write we only use that for the deemphasis | ||
31 | bit (which we'll have to ignore). This is what the OF appears to do too. */ | ||
32 | |||
33 | int fmradio_i2c_write(unsigned char address, const unsigned char* buf, int count) | ||
34 | { | ||
35 | (void)count; | ||
36 | return i2c_sendbytes(address, 4, buf); | ||
37 | } | ||
38 | |||
39 | int fmradio_i2c_read(unsigned char address, unsigned char* buf, int count) | ||
40 | { | ||
41 | (void)count; | ||
42 | return i2c_readbytes(address, -1, 4, buf); | ||
43 | } | ||
44 | #endif | ||