aboutsummaryrefslogtreecommitdiff
path: root/sound/usb/mixer.h
diff options
context:
space:
mode:
authorDaniel Mack2010-03-11 21:13:23 +0100
committerTakashi Iwai2010-03-12 12:20:49 +0100
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 @@
+#ifndef __USBMIXER_H
+#define __USBMIXER_H
+
+struct usb_mixer_interface {
+ struct snd_usb_audio *chip;
+ unsigned int ctrlif;
+ struct list_head list;
+ unsigned int ignore_ctl_error;
+ struct urb *urb;
+ /* array[MAX_ID_ELEMS], indexed by unit id */
+ struct usb_mixer_elem_info **id_elems;
+
+ /* Sound Blaster remote control stuff */
+ const struct rc_config *rc_cfg;
+ u32 rc_code;
+ wait_queue_head_t rc_waitq;
+ struct urb *rc_urb;
+ struct usb_ctrlrequest *rc_setup_packet;
+ u8 rc_buffer[6];
+
+ u8 audigy2nx_leds[3];
+ u8 xonar_u1_status;
+};
+
+#define MAX_CHANNELS 10 /* max logical channels */
+
+struct usb_mixer_elem_info {
+ struct usb_mixer_interface *mixer;
+ struct usb_mixer_elem_info *next_id_elem; /* list of controls with same id */
+ struct snd_ctl_elem_id *elem_id;
+ unsigned int id;
+ unsigned int control; /* CS or ICN (high byte) */
+ unsigned int cmask; /* channel mask bitmap: 0 = master */
+ int channels;
+ int val_type;
+ int min, max, res;
+ int dBmin, dBmax;
+ int cached;
+ int cache_val[MAX_CHANNELS];
+ u8 initialized;
+};
+
+int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
+ int ignore_error);
+void snd_usb_mixer_disconnect(struct list_head *p);
+
+void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, int unitid);
+
+int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval,
+ int request, int validx, int value_set);
+
+#endif /* __USBMIXER_H */