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| author | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2021-10-15 17:08:26 +0900 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-10-15 17:52:19 +0200 |
| commit | 634ec0b2906efd46f6f57977e172aa3470aca432 (patch) | |
| tree | f6238129dcb835ef826a1d78accbe9c03899703b /include/uapi/sound/firewire.h | |
| parent | 4c9eda8f37f9523f1d2ccbb442ce641e8c981c9f (diff) | |
| download | linux-stable-634ec0b2906efd46f6f57977e172aa3470aca432.tar.gz linux-stable-634ec0b2906efd46f6f57977e172aa3470aca432.tar.bz2 linux-stable-634ec0b2906efd46f6f57977e172aa3470aca432.zip | |
ALSA: firewire-motu: notify event for parameter change in register DSP model
This commit copies queued event for change of register DSP into
userspace when application operates ALSA hwdep character device.
The notification occurs only when packet streaming is running.
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20211015080826.34847-12-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/uapi/sound/firewire.h')
| -rw-r--r-- | include/uapi/sound/firewire.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/uapi/sound/firewire.h b/include/uapi/sound/firewire.h index d52691655d79..76190a0cb069 100644 --- a/include/uapi/sound/firewire.h +++ b/include/uapi/sound/firewire.h @@ -13,6 +13,7 @@ #define SNDRV_FIREWIRE_EVENT_DIGI00X_MESSAGE 0x746e736c #define SNDRV_FIREWIRE_EVENT_MOTU_NOTIFICATION 0x64776479 #define SNDRV_FIREWIRE_EVENT_TASCAM_CONTROL 0x7473636d +#define SNDRV_FIREWIRE_EVENT_MOTU_REGISTER_DSP_CHANGE 0x4d545244 struct snd_firewire_event_common { unsigned int type; /* SNDRV_FIREWIRE_EVENT_xxx */ @@ -65,6 +66,12 @@ struct snd_firewire_event_tascam_control { struct snd_firewire_tascam_change changes[0]; }; +struct snd_firewire_event_motu_register_dsp_change { + unsigned int type; + __u32 count; // The number of changes. + __u32 changes[]; // Encoded event for change of register DSP. +}; + union snd_firewire_event { struct snd_firewire_event_common common; struct snd_firewire_event_lock_status lock_status; @@ -73,6 +80,7 @@ union snd_firewire_event { struct snd_firewire_event_digi00x_message digi00x_message; struct snd_firewire_event_tascam_control tascam_control; struct snd_firewire_event_motu_notification motu_notification; + struct snd_firewire_event_motu_register_dsp_change motu_register_dsp_change; }; |