[alsa-devel] [PATCH 3/5] ALSA: firewire-motu: add a flag for AES/EBU on XLR interface
Takashi Sakamoto
o-takashi at sakamocchi.jp
Mon Jun 18 14:07:53 CEST 2018
MOTU Traveler supports AES/EBU on XLR interface and data block of rx/tx
packet includes two chunk for the interface. This commit adds a flag
for this purpose.
Signed-off-by: Takashi Sakamoto <o-takashi at sakamocchi.jp>
---
sound/firewire/motu/motu-protocol-v2.c | 5 +++++
sound/firewire/motu/motu-protocol-v3.c | 5 +++++
sound/firewire/motu/motu.h | 2 +-
3 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/sound/firewire/motu/motu-protocol-v2.c b/sound/firewire/motu/motu-protocol-v2.c
index 614f9b11e010..f25b1ba118a2 100644
--- a/sound/firewire/motu/motu-protocol-v2.c
+++ b/sound/firewire/motu/motu-protocol-v2.c
@@ -160,6 +160,11 @@ static void calculate_fixed_part(struct snd_motu_packet_format *formats,
pcm_chunks[1] += 2;
}
+ if (flags & SND_MOTU_SPEC_HAS_AESEBU_IFACE) {
+ pcm_chunks[0] += 2;
+ pcm_chunks[1] += 2;
+ }
+
/*
* All of v2 models have a pair of coaxial interfaces for digital in/out
* port. At 44.1/48.0/88.2/96.0 kHz, packets includes PCM from these
diff --git a/sound/firewire/motu/motu-protocol-v3.c b/sound/firewire/motu/motu-protocol-v3.c
index 293353991591..7cc80a05e91f 100644
--- a/sound/firewire/motu/motu-protocol-v3.c
+++ b/sound/firewire/motu/motu-protocol-v3.c
@@ -199,6 +199,11 @@ static void calculate_fixed_part(struct snd_motu_packet_format *formats,
pcm_chunks[1] += 2;
}
+ if (flags & SND_MOTU_SPEC_HAS_AESEBU_IFACE) {
+ pcm_chunks[0] += 2;
+ pcm_chunks[1] += 2;
+ }
+
/*
* At least, packets have two data chunks for S/PDIF on coaxial
* interface.
diff --git a/sound/firewire/motu/motu.h b/sound/firewire/motu/motu.h
index bced0407179e..2764bcaab327 100644
--- a/sound/firewire/motu/motu.h
+++ b/sound/firewire/motu/motu.h
@@ -79,7 +79,7 @@ enum snd_motu_spec_flags {
SND_MOTU_SPEC_TX_MICINST_CHUNK = 0x0004,
SND_MOTU_SPEC_TX_RETURN_CHUNK = 0x0008,
SND_MOTU_SPEC_TX_REVERB_CHUNK = 0x0010,
- SND_MOTU_SPEC_TX_AESEBU_CHUNK = 0x0020,
+ SND_MOTU_SPEC_HAS_AESEBU_IFACE = 0x0020,
SND_MOTU_SPEC_HAS_OPT_IFACE_A = 0x0040,
SND_MOTU_SPEC_HAS_OPT_IFACE_B = 0x0080,
SND_MOTU_SPEC_RX_MIDI_2ND_Q = 0x0100,
--
2.14.1
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