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authorDaniel Mack <daniel@caiaq.de>2010-03-11 15:13:23 -0500
committerTakashi Iwai <tiwai@suse.de>2010-03-12 06:20:49 -0500
commitf0b5e634ff25e02a64676022ee13284a9c810879 (patch)
treeeeac4a37546af0b28eaa895c82c217d3289ebb50 /sound/usb/mixer.h
parent7b1eda223debcba706ab989a09c4eecb327aebdf (diff)
ALSA: usbmixer: rename usbmixer.[ch] -> mixer.[ch]
For clearer namespace, also rename usbmixer_maps.c -> mixer_maps.c Signed-off-by: Daniel Mack <daniel@caiaq.de> Cc: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/mixer.h')
-rw-r--r--sound/usb/mixer.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h
new file mode 100644
index 000000000000..63101ae201cc
--- /dev/null
+++ b/sound/usb/mixer.h
@@ -0,0 +1,52 @@
1#ifndef __USBMIXER_H
2#define __USBMIXER_H
3
4struct usb_mixer_interface {
5 struct snd_usb_audio *chip;
6 unsigned int ctrlif;
7 struct list_head list;
8 unsigned int ignore_ctl_error;
9 struct urb *urb;
10 /* array[MAX_ID_ELEMS], indexed by unit id */
11 struct usb_mixer_elem_info **id_elems;
12
13 /* Sound Blaster remote control stuff */
14 const struct rc_config *rc_cfg;
15 u32 rc_code;
16 wait_queue_head_t rc_waitq;
17 struct urb *rc_urb;
18 struct usb_ctrlrequest *rc_setup_packet;
19 u8 rc_buffer[6];
20
21 u8 audigy2nx_leds[3];
22 u8 xonar_u1_status;
23};
24
25#define MAX_CHANNELS 10 /* max logical channels */
26
27struct usb_mixer_elem_info {
28 struct usb_mixer_interface *mixer;
29 struct usb_mixer_elem_info *next_id_elem; /* list of controls with same id */
30 struct snd_ctl_elem_id *elem_id;
31 unsigned int id;
32 unsigned int control; /* CS or ICN (high byte) */
33 unsigned int cmask; /* channel mask bitmap: 0 = master */
34 int channels;
35 int val_type;
36 int min, max, res;
37 int dBmin, dBmax;
38 int cached;
39 int cache_val[MAX_CHANNELS];
40 u8 initialized;
41};
42
43int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
44 int ignore_error);
45void snd_usb_mixer_disconnect(struct list_head *p);
46
47void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid);
48
49int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval,
50 int request, int validx, int value_set);
51
52#endif /* __USBMIXER_H */