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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-20 09:41:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-20 09:41:44 -0700
commit7f06a8b26aba1dc03b42272dc0089a800372c575 (patch)
tree7c67198f83d069eb13fd417e022d111b7e4c82a1 /sound/usb/mixer.h
parentc3ad33c9bcb6616999953af76f16318120fe3691 (diff)
parentd71f4cece4bd97d05592836202fc04ff2e7817e3 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (250 commits) ALSA: hda: Storage class should be before const qualifier ASoC: tpa6130a2: Remove CPVSS and HPVdd supplies ASoC: tpa6130a2: Define output pins with SND_SOC_DAPM_OUTPUT ASoC: sdp4430 - add sdp4430 pcm ops to DAI. ASoC: TWL6040: Enable earphone path in codec ASoC: SDP4430: Add support for Earphone speaker ASoC: SDP4430: Add sdp4430 machine driver ASoC: tlv320dac33: Avoid powering off while in BIAS_OFF ASoC: tlv320dac33: Use dev_dbg in dac33_hard_power function ALSA: sound/pci/asihpi: Use kzalloc ALSA: hdmi - dont fail on extra nodes ALSA: intelhdmi - add id for the CougarPoint chipset ALSA: intelhdmi - user friendly codec name ALSA: intelhdmi - add dependency on SND_DYNAMIC_MINORS ALSA: asihpi: incorrect range check ALSA: asihpi: testing the wrong variable ALSA: es1688: add pedantic range checks ARM: McBSP: Add support for omap4 in McBSP driver ARM: McBSP: Fix request for irq in OMAP4 OMAP: McBSP: Add 32-bit mode support ...
Diffstat (limited to 'sound/usb/mixer.h')
-rw-r--r--sound/usb/mixer.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h
new file mode 100644
index 000000000000..130123854a6c
--- /dev/null
+++ b/sound/usb/mixer.h
@@ -0,0 +1,55 @@
+#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;
+
+ /* the usb audio specification version this interface complies to */
+ int protocol;
+
+ /* 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 */