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ALSA: fireface: add hwdep interface

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This commit adds hwdep interface so as the other drivers for audio and
music units on IEEE 1394 have.

This interface is designed for mixer/control applications. 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>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto
2017-04-05 21:31:49 +02:00
committed by Takashi Iwai
parent 4b316436ab
commit f656edd5fb
9 changed files with 271 additions and 7 deletions
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include/uapi/sound/asound.h
+2 -1
View File
@@ -108,9 +108,10 @@ enum {
SNDRV_HWDEP_IFACE_FW_TASCAM, /* TASCAM FireWire series */
SNDRV_HWDEP_IFACE_LINE6, /* Line6 USB processors */
SNDRV_HWDEP_IFACE_FW_MOTU, /* MOTU FireWire series */
SNDRV_HWDEP_IFACE_FW_FIREFACE, /* RME Fireface series */
/* Don't forget to change the following: */
SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_MOTU
SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_FIREFACE
};
struct snd_hwdep_info {
include/uapi/sound/firewire.h
+1 -1
View File
@@ -73,7 +73,7 @@ union snd_firewire_event {
#define SNDRV_FIREWIRE_TYPE_DIGI00X 5
#define SNDRV_FIREWIRE_TYPE_TASCAM 6
#define SNDRV_FIREWIRE_TYPE_MOTU 7
/* RME... */
#define SNDRV_FIREWIRE_TYPE_FIREFACE 8
struct snd_firewire_get_info {
unsigned int type; /* SNDRV_FIREWIRE_TYPE_xxx */