diff options
Diffstat (limited to 'firmware/target/hosted/ibasso/dx90/audiohw-dx90.c')
-rw-r--r-- | firmware/target/hosted/ibasso/dx90/audiohw-dx90.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/firmware/target/hosted/ibasso/dx90/audiohw-dx90.c b/firmware/target/hosted/ibasso/dx90/audiohw-dx90.c new file mode 100644 index 0000000000..ef18aae4bd --- /dev/null +++ b/firmware/target/hosted/ibasso/dx90/audiohw-dx90.c | |||
@@ -0,0 +1,63 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___ | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * | ||
9 | * Copyright (C) 2014 by Ilia Sergachev: Initial Rockbox port to iBasso DX50 | ||
10 | * Copyright (C) 2014 by Mario Basister: iBasso DX90 port | ||
11 | * Copyright (C) 2014 by Simon Rothen: Initial Rockbox repository submission, additional features | ||
12 | * Copyright (C) 2014 by Udo Schläpfer: Code clean up, additional features | ||
13 | * | ||
14 | * This program is free software; you can redistribute it and/or | ||
15 | * modify it under the terms of the GNU General Public License | ||
16 | * as published by the Free Software Foundation; either version 2 | ||
17 | * of the License, or (at your option) any later version. | ||
18 | * | ||
19 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
20 | * KIND, either express or implied. | ||
21 | * | ||
22 | ****************************************************************************/ | ||
23 | |||
24 | |||
25 | #include "config.h" | ||
26 | #include "debug.h" | ||
27 | |||
28 | #include "debug-ibasso.h" | ||
29 | #include "sysfs-ibasso.h" | ||
30 | |||
31 | |||
32 | extern void set_software_volume(void); | ||
33 | |||
34 | |||
35 | void audiohw_set_volume(int volume) | ||
36 | { | ||
37 | set_software_volume(); | ||
38 | |||
39 | /* See codec-dx90.h. -2550 to 0 -> 0 to 255 */ | ||
40 | int volume_adjusted = ((volume + 2550) / 10); | ||
41 | |||
42 | DEBUGF("DEBUG %s: volume: %d, volume_adjusted: %d.", __func__, volume, volume_adjusted); | ||
43 | |||
44 | if(volume_adjusted > 255) | ||
45 | { | ||
46 | DEBUGF("DEBUG %s: Adjusting volume from %d to 255.", __func__, volume); | ||
47 | volume_adjusted = 255; | ||
48 | } | ||
49 | if(volume_adjusted < 0) | ||
50 | { | ||
51 | DEBUGF("DEBUG %s: Adjusting volume from %d to 0.", __func__, volume); | ||
52 | volume_adjusted = 0; | ||
53 | } | ||
54 | |||
55 | /* | ||
56 | /sys/class/codec/es9018_volume | ||
57 | 0 ... 255 | ||
58 | */ | ||
59 | if(! sysfs_set_int(SYSFS_DX90_ES9018_VOLUME, volume_adjusted)) | ||
60 | { | ||
61 | DEBUGF("ERROR %s: Can not set volume.", __func__); | ||
62 | } | ||
63 | } | ||