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ALSA: oxfw: Add hwdep interface

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This interface is designed for mixer/control application. By using this
interface, an application can get information about firewire node, can
lock/unlock kernel streaming and can get notification at starting/stopping
kernel streaming.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Acked-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto
2014-12-09 00:10:49 +09:00
committed by Takashi Iwai
parent 05588d340a
commit 8985f4ac1c
10 changed files with 280 additions and 4 deletions
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3
include/uapi/sound/asound.h
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@@ -96,9 +96,10 @@ enum {
SNDRV_HWDEP_IFACE_FW_DICE, /* TC DICE FireWire device */
SNDRV_HWDEP_IFACE_FW_FIREWORKS, /* Echo Audio Fireworks based device */
SNDRV_HWDEP_IFACE_FW_BEBOB, /* BridgeCo BeBoB based device */
SNDRV_HWDEP_IFACE_FW_OXFW, /* Oxford OXFW970/971 based device */
/* Don't forget to change the following: */
SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_BEBOB
SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_OXFW
};
struct snd_hwdep_info {

3
include/uapi/sound/firewire.h
View File

@@ -55,7 +55,8 @@ union snd_firewire_event {
#define SNDRV_FIREWIRE_TYPE_DICE 1
#define SNDRV_FIREWIRE_TYPE_FIREWORKS 2
#define SNDRV_FIREWIRE_TYPE_BEBOB 3
/* AV/C, RME, MOTU, ... */
#define SNDRV_FIREWIRE_TYPE_OXFW 4
/* RME, MOTU, ... */
struct snd_firewire_get_info {
unsigned int type; /* SNDRV_FIREWIRE_TYPE_xxx */