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| author | Takashi Sakamoto <o-takashi@sakamocchi.jp> | 2019-01-20 17:25:49 +0900 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-01-21 15:12:19 +0100 |
| commit | ae3053c28b86f4f9d4480f6d3ac27f43d8e657ef (patch) | |
| tree | 3087e103fdc406908885ca8ed7203e5adde48256 /sound/firewire/fireface/ff.h | |
| parent | e9e29cf8522093f146ab2c23194eee78dd84fa4e (diff) | |
| download | lwn-ae3053c28b86f4f9d4480f6d3ac27f43d8e657ef.tar.gz lwn-ae3053c28b86f4f9d4480f6d3ac27f43d8e657ef.zip | |
ALSA: fireface: add protocol-dependent operation to switch mode to fetch PCM frame
This commit adds a member for a callback function to switch frame
fetching mode to former protocol.
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/firewire/fireface/ff.h')
| -rw-r--r-- | sound/firewire/fireface/ff.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/sound/firewire/fireface/ff.h b/sound/firewire/fireface/ff.h index 3f22b8d84e36..29f55518bf85 100644 --- a/sound/firewire/fireface/ff.h +++ b/sound/firewire/fireface/ff.h @@ -35,8 +35,6 @@ #define SND_FF_IN_MIDI_PORTS 2 #define SND_FF_OUT_MIDI_PORTS 2 -/* For block write request. */ -#define SND_FF_REG_FETCH_PCM_FRAMES 0x0000801c0000ull #define SND_FF_REG_CLOCK_CONFIG 0x0000801c0004ull enum snd_ff_stream_mode { @@ -108,6 +106,7 @@ enum snd_ff_clock_src { struct snd_ff_protocol { void (*handle_midi_msg)(struct snd_ff *ff, __le32 *buf, size_t length); + int (*switch_fetching_mode)(struct snd_ff *ff, bool enable); int (*begin_session)(struct snd_ff *ff, unsigned int rate); void (*finish_session)(struct snd_ff *ff); void (*dump_status)(struct snd_ff *ff, struct snd_info_buffer *buffer); |