1 #ifndef MIXER_CONTROLS_H_INCLUDED
2 #define MIXER_CONTROLS_H_INCLUDED
4 #include <alsa/asoundlib.h>
7 snd_mixer_elem_t *elem;
10 #define TYPE_PVOLUME (1u << 4)
11 #define TYPE_CVOLUME (1u << 5)
12 #define TYPE_PSWITCH (1u << 6)
13 #define TYPE_CSWITCH (1u << 7)
14 #define TYPE_ENUM (1u << 8)
15 #define HAS_VOLUME_0 (1u << 9)
16 #define HAS_VOLUME_1 (1u << 10)
17 #define HAS_PSWITCH_0 (1u << 11)
18 #define HAS_PSWITCH_1 (1u << 12)
19 #define HAS_CSWITCH_0 (1u << 13)
20 #define HAS_CSWITCH_1 (1u << 14)
21 #define IS_MULTICH (1u << 15)
22 #define IS_ACTIVE (1u << 16)
23 #define MULTICH_MASK (0x0000f)
24 snd_mixer_selem_channel_id_t volume_channels[2];
25 snd_mixer_selem_channel_id_t pswitch_channels[2];
26 snd_mixer_selem_channel_id_t cswitch_channels[2];
27 unsigned int enum_channel_bits;
30 extern struct control *controls;
31 extern unsigned int controls_count;
33 bool are_there_any_controls(void);
34 void create_controls(void);
35 void free_controls(void);