From f0b5e634ff25e02a64676022ee13284a9c810879 Mon Sep 17 00:00:00 2001 From: Daniel Mack Date: Thu, 11 Mar 2010 21:13:23 +0100 Subject: ALSA: usbmixer: rename usbmixer.[ch] -> mixer.[ch] For clearer namespace, also rename usbmixer_maps.c -> mixer_maps.c Signed-off-by: Daniel Mack Cc: Clemens Ladisch Signed-off-by: Takashi Iwai --- sound/usb/mixer.h | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 sound/usb/mixer.h (limited to 'sound/usb/mixer.h') 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 */ -- cgit v1.2.3