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ALSA: fireworks: Add hwdep interface

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This interface is designed for mixer/control application. To use hwdep
interface, the 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
2014-04-25 22:45:12 +09:00
committed by Takashi Iwai
parent aa02bb6e60
commit 594ddced82
10 changed files with 296 additions and 8 deletions
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3
include/uapi/sound/asound.h
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@@ -94,9 +94,10 @@ enum {
SNDRV_HWDEP_IFACE_HDA, /* HD-audio */
SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */
SNDRV_HWDEP_IFACE_FW_DICE, /* TC DICE FireWire device */
SNDRV_HWDEP_IFACE_FW_FIREWORKS, /* Echo Audio Fireworks based device */
/* Don't forget to change the following: */
SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_DICE
SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_FIREWORKS
};
struct snd_hwdep_info {

3
include/uapi/sound/firewire.h
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@@ -34,7 +34,8 @@ union snd_firewire_event {
#define SNDRV_FIREWIRE_IOCTL_UNLOCK _IO('H', 0xfa)
#define SNDRV_FIREWIRE_TYPE_DICE 1
/* Fireworks, AV/C, RME, MOTU, ... */
#define SNDRV_FIREWIRE_TYPE_FIREWORKS 2
/* AV/C, RME, MOTU, ... */
struct snd_firewire_get_info {
unsigned int type; /* SNDRV_FIREWIRE_TYPE_xxx */