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ALSA: firewire-motu: add hwdep interface

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This commit adds hwdep interface so as the other sound drivers for units
on IEEE 1394 bus 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
2017-03-22 21:30:24 +09:00
committed by Takashi Iwai
parent 9e796e7d59
commit 71c3797779
9 changed files with 285 additions and 7 deletions
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3
include/uapi/sound/asound.h
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@@ -107,9 +107,10 @@ enum {
SNDRV_HWDEP_IFACE_FW_DIGI00X, /* Digidesign Digi 002/003 family */
SNDRV_HWDEP_IFACE_FW_TASCAM, /* TASCAM FireWire series */
SNDRV_HWDEP_IFACE_LINE6, /* Line6 USB processors */
SNDRV_HWDEP_IFACE_FW_MOTU, /* MOTU FireWire series */
/* Don't forget to change the following: */
SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_LINE6
SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_MOTU
};
struct snd_hwdep_info {